/* roulang page: index */
:root{
  --primary:#0E4F4A;
  --primary-deep:#0A3532;
  --primary-soft:#E8F0EC;
  --accent:#C89B5E;
  --accent-deep:#B68B40;
  --bg:#F7F6F2;
  --white:#FFFFFF;
  --ink:#17312D;
  --text:#24302E;
  --muted:#65736F;
  --border:#E2E1DA;
  --radius-card:18px;
  --radius-media:14px;
  --radius-btn:999px;
  --shadow-sm:0 6px 16px rgba(10,53,50,.06);
  --shadow-lg:0 16px 32px rgba(10,53,50,.12);
  --font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0;position:relative}
.section-alt{background:var(--white)}
.grid-container{max-width:1200px}
::selection{background:rgba(200,155,94,.28)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#9AAEAA;border-radius:8px;border:2px solid var(--bg)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.divider-line{height:1px;background:var(--border);border:0;margin:0}

.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-btn);
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.06em;
}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.section-title{
  font-size:32px;line-height:1.35;font-weight:700;color:var(--ink);
  margin:16px 0 14px;letter-spacing:-.01em;
}
.section-desc{color:var(--muted);max-width:68ch;font-size:16px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:42px}
.section-head-row--center{display:block;text-align:center}
.text-link-btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--primary);transition:gap .25s ease}
.text-link-btn .arrow{transition:transform .25s ease}
.text-link-btn:hover{color:var(--accent-deep)}
.text-link-btn:hover .arrow{transform:translateX(5px)}

.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(115deg,var(--primary),var(--accent-deep));
  color:#fff;border-radius:var(--radius-btn);
  padding:13px 30px;font-weight:600;font-size:15px;line-height:1.3;
  box-shadow:0 10px 24px rgba(14,79,74,.2);
  transition:transform .25s ease,box-shadow .25s ease,background-position .25s ease;
  background-size:180% auto;
  border:1px solid transparent;
}
.btn-primary:hover{background-position:right center;transform:translateY(-2px);box-shadow:0 16px 30px rgba(14,79,74,.26);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--white);color:var(--primary);border:1px solid var(--primary);
  border-radius:var(--radius-btn);padding:12px 28px;font-weight:600;font-size:15px;
  transition:background .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.btn-secondary:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-secondary--ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-secondary--ghost:hover{background:rgba(255,255,255,.16);color:#fff}
.card-panel{
  background:var(--white);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;
}
.card-panel:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}

/* ===== Header / Nav ===== */
.site-header{position:sticky;top:0;z-index:300;background:var(--white);box-shadow:0 4px 20px rgba(10,53,50,.05)}
.header-top-strip{height:8px;background:linear-gradient(90deg,var(--primary) 0%,var(--accent) 60%,var(--accent-deep) 100%)}
.header-main{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-container{display:flex;align-items:center;justify-content:space-between;gap:24px;height:82px}
.brand{display:inline-flex;align-items:baseline;font-size:30px;font-weight:800;color:var(--primary);letter-spacing:-.5px;line-height:1;}
.brand span{color:var(--accent-deep);font-size:22px;font-weight:700;letter-spacing:-.3px}
.brand-suffix{display:block;font-size:11px;font-weight:600;letter-spacing:.18em;color:var(--muted);margin-top:4px}
.header-nav-area{display:flex;align-items:center;gap:26px}
.main-nav{display:flex;align-items:center;gap:2px;margin:0;padding:0;list-style:none}
.main-nav a{
  display:inline-flex;align-items:center;padding:10px 18px;font-weight:600;color:var(--ink);
  font-size:15px;position:relative;transition:color .25s ease;border-radius:6px;
}
.main-nav a:after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:99px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover:after,.main-nav a.is-active:after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:12px}
.mega-shell{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;padding:10px 16px;
  background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;color:var(--ink);transition:all .25s ease;
}
.mega-trigger:hover{border-color:var(--primary);color:var(--primary)}
.mega-trigger .chevron{display:inline-block;width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s ease}
.mega-shell:hover .chevron,.mega-shell.is-open .chevron{transform:rotate(-135deg) translateY(-1px)}
.mega-menu{
  display:block;position:absolute;top:calc(100% + 14px);right:0;width:740px;padding-top:18px;
  pointer-events:none;opacity:0;transform:translateY(-8px);transition:opacity .25s ease,transform .25s ease;
}
.mega-shell:hover .mega-menu,.mega-shell:focus-within .mega-menu,.mega-shell.is-open .mega-menu{pointer-events:auto;opacity:1;transform:translateY(0)}
.mega-panel{
  background:var(--white);border-radius:22px;box-shadow:var(--shadow-lg);
  border:1px solid var(--border);overflow:hidden;display:grid;grid-template-columns:1.2fr .8fr;
}
.mega-link-line{height:4px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.mega-col{padding:26px 26px 12px}
.mega-label{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--muted);margin-bottom:14px}
.mega-list{display:flex;flex-direction:column;gap:2px}
.mega-list a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:14px;font-weight:600;color:var(--ink);font-size:14px;transition:background .25s ease,color .25s ease}
.mega-list a:hover{background:var(--primary-soft);color:var(--primary)}
.mega-list a i{width:8px;height:8px;border-radius:3px;background:var(--accent);display:block;transition:background .25s ease}
.mega-list a:hover i{background:var(--primary)}
.mega-media-col{padding:0 0 18px;display:flex;flex-direction:column;gap:12px;min-height:220px}
.mega-media{position:relative;border-radius:16px;overflow:hidden;flex:1;min-height:150px}
.mega-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.mega-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,53,50,0) 25%,rgba(10,53,50,.75) 100%)}
.mega-media span{position:absolute;left:16px;bottom:14px;z-index:2;color:#fff;font-size:14px;font-weight:700;line-height:1.4}
.mega-bottom{
  grid-column:1 / -1;background:var(--bg);border-top:1px solid var(--border);
  padding:12px 26px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);
}
.mega-bottom strong{color:var(--primary);font-weight:700}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);position:relative}
.nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{content:"";position:absolute;left:11px;right:11px;height:2px;background:var(--primary);border-radius:2px;transition:all .25s ease}
.nav-toggle span{top:50%;transform:translateY(-50%)}
.nav-toggle span:before{top:-7px}
.nav-toggle span:after{top:7px}
.nav-toggle.is-active span{background:transparent}
.nav-toggle.is-active span:before{top:0;transform:rotate(45deg)}
.nav-toggle.is-active span:after{top:0;transform:rotate(-45deg)}
.header-nav-cta{
  display:inline-flex;padding:10px 22px;border-radius:var(--radius-btn);background:linear-gradient(115deg,var(--primary),var(--accent-deep));color:#fff;font-weight:600;font-size:14px;transition:box-shadow .25s ease,transform .25s ease;
}
.header-nav-cta:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:#fff}

/* ===== Hero ===== */
.hero{position:relative;background:linear-gradient(128deg,#053D37 0%,#0E4F4A 50%,#145E57 100%);color:#fff;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;opacity:.15;mix-blend-mode:soft-light}
.hero:after{content:"";position:absolute;top:-110px;right:-130px;width:440px;height:440px;border:1px solid rgba(200,155,94,.3);border-radius:50%;opacity:.6}
.hero-inner{position:relative;z-index:2;padding:82px 0 0}
.hero-grid{align-items:center}
.hero-pill{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:99px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);font-size:13px;font-weight:500}
.hero-pill em{width:6px;height:6px;border-radius:50%;background:var(--accent);font-style:normal}
.hero h1{font-size:44px;line-height:1.28;font-weight:700;color:#fff;margin:20px 0 18px;letter-spacing:-.02em;max-width:12em}
.hero h1 .accent-gradient{background:linear-gradient(90deg,#f3d8ae,#c89b5e);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:18px;line-height:1.85;color:rgba(255,255,255,.84);max-width:56ch;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-trust-strip{
  border-top:1px solid rgba(255,255,255,.16);margin-top:46px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:22px 0 26px;
}
.hero-trust-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1)}
.hero-trust-item b{font-size:24px;font-weight:800;color:#fff;line-height:1;letter-spacing:-.03em}
.hero-trust-item span{font-size:13px;color:rgba(255,255,255,.72);line-height:1.4}
.hero-visual-wrap{position:relative;padding:0 10px 20px 30px}
.hero-visual-card{border-radius:24px;overflow:hidden;background:rgba(255,255,255,.12);box-shadow:0 32px 64px rgba(0,0,0,.22);position:relative}
.hero-visual-card img{height:390px;width:100%;object-fit:cover}
.hero-float-tag{
  position:absolute;left:6px;top:30px;background:rgba(255,255,255,.94);color:var(--primary);
  border-radius:16px;padding:14px 18px;box-shadow:var(--shadow-lg);font-size:13px;font-weight:700;line-height:1.45;width:172px;
}
.hero-float-tag b{display:block;font-size:18px;color:var(--accent-deep);margin-bottom:2px}

/* ===== Services ===== */
.services .grid-panel{row-gap:28px}
.service-card{background:var(--white);border-radius:var(--radius-card);padding:30px 28px;box-shadow:var(--shadow-sm);border:1px solid rgba(226,225,218,.6);height:100%;display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;position:relative;overflow:hidden}
.service-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--primary),var(--accent));opacity:0;transition:opacity .25s ease}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.service-card:hover:before{opacity:1}
.service-icon{width:48px;height:48px;border-radius:14px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.service-icon svg{width:26px;height:26px;stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.service-card h3{font-size:21px;font-weight:700;color:var(--ink);margin-bottom:10px;letter-spacing:-.01em}
.service-card p{color:var(--muted);font-size:15px;line-height:1.75;margin-bottom:16px}
.service-list{margin-top:auto;padding-top:12px;display:grid;gap:8px}
.service-list li{display:flex;gap:10px;font-size:14px;color:var(--ink);align-items:flex-start}
.service-list li:before{content:"";margin-top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.service-card .card-link{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-weight:600;color:var(--primary);font-size:14px}
.service-card .card-link i{transition:transform .25s ease}
.service-card:hover .card-link i{transform:translateX(4px)}
.service-feature-card{
  border-radius:var(--radius-card);overflow:hidden;padding:36px;min-height:420px;color:#fff;height:100%;
  background:linear-gradient(120deg,rgba(14,79,74,.98),rgba(14,79,74,.68)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow-sm);position:relative;transition:transform .3s ease,box-shadow .3s ease;
}
.service-feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.service-feature-card h3{font-size:24px;font-weight:700;margin-bottom:10px}
.service-feature-card p{color:rgba(255,255,255,.82);font-size:15px;margin-bottom:18px;max-width:46ch}
.service-feature-card .btn-secondary{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);color:#fff}
.service-image-card{border-radius:var(--radius-card);overflow:hidden;height:420px;position:relative;display:flex;align-items:flex-end;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease}
.service-image-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.service-image-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.service-image-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,53,50,0) 20%,rgba(10,53,50,.86) 100%)}
.service-image-card .image-card-body{position:relative;z-index:2;padding:26px;color:#fff;width:100%}
.service-image-card h3{font-size:20px;font-weight:700;margin-bottom:6px}
.service-image-card p{color:rgba(255,255,255,.82);font-size:14px;line-height:1.6}
.service-mini-card{background:var(--white);border-radius:var(--radius-card);padding:30px 26px;box-shadow:var(--shadow-sm);height:100%;display:flex;flex-direction:column;justify-content:flex-start;transition:transform .3s ease,box-shadow .3s ease;border-top:4px solid transparent}
.service-mini-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-top-color:var(--accent)}
.service-mini-card h3{font-size:19px;font-weight:700;color:var(--ink);margin:14px 0 10px}
.service-mini-card p{font-size:14px;color:var(--muted);line-height:1.7}
.service-mini-card .mini-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:16px}
.tag-chip{display:inline-block;padding:4px 12px;background:var(--bg);color:var(--ink);border-radius:99px;font-size:12px;font-weight:600}
.tag-chip--light{background:rgba(255,255,255,.14);color:rgba(255,255,255,.9)}

/* ===== Metrics ===== */
.metric-section{background:linear-gradient(135deg,#06332F 0%,#0A3D39 60%,#0E4F4A 100%);color:#fff;position:relative;overflow:hidden}
.metric-section:before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;opacity:.1;mix-blend-mode:soft-light}
.metric-inner{position:relative;z-index:2;display:grid;grid-template-columns:.92fr 1.6fr;gap:56px;align-items:center}
.metric-copy .section-eyebrow{background:rgba(255,255,255,.12);color:#e9c59a}
.metric-copy .section-eyebrow .eyebrow-dot{background:#fff}
.metric-copy h2{color:#fff;font-size:30px;line-height:1.4;font-weight:700;margin:14px 0 14px}
.metric-copy p{color:rgba(255,255,255,.74);font-size:15px}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 18px}
.metric-item{display:flex;align-items:center;gap:18px}
.metric-ring{
  width:94px;height:94px;border-radius:50%;border:1px solid rgba(200,155,94,.72);flex:0 0 auto;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);box-shadow:inset 0 0 0 6px rgba(255,255,255,.03);
}
.metric-ring b{font-size:20px;font-weight:800;color:#fff;line-height:1.15;letter-spacing:-.03em}
.metric-ring span{font-size:10px;color:rgba(255,255,255,.68);letter-spacing:.04em}
.metric-item p{font-size:13px;color:rgba(255,255,255,.74);line-height:1.6;max-width:18ch}

/* ===== Cases ===== */
.case-grid{align-items:stretch}
.case-main-card{border-radius:var(--radius-card);overflow:hidden;height:100%;position:relative;box-shadow:var(--shadow-sm);transition:transform .3s ease,box-shadow .3s ease;display:block}
.case-main-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case-main-card img{height:100%;min-height:420px;object-fit:cover;width:100%;transition:transform .5s ease}
.case-main-card:hover img{transform:scale(1.03)}
.case-main-card .case-shade{position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,rgba(10,53,50,0) 35%,rgba(10,53,50,.88) 100%)}
.case-main-card .case-content{position:absolute;z-index:3;left:0;right:0;bottom:0;padding:28px;color:#fff}
.case-cat{display:inline-block;padding:5px 14px;border-radius:99px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;margin-bottom:12px}
.case-main-card h3{font-size:24px;font-weight:700;line-height:1.4;margin-bottom:8px}
.case-main-card p{font-size:14px;color:rgba(255,255,255,.82);max-width:52ch;line-height:1.7}
.side-case-list{display:flex;flex-direction:column;gap:18px;height:100%}
.side-case-card{flex:1;background:var(--white);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;transition:transform .3s ease,box-shadow .3s ease}
.side-case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.side-case-card .case-thumb{width:148px;flex:0 0 auto;overflow:hidden;position:relative}
.side-case-card .case-thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.side-case-card .side-case-body{padding:20px;display:flex;flex-direction:column;justify-content:center}
.side-case-card h3{font-size:17px;line-height:1.5;font-weight:700;color:var(--ink);margin-bottom:8px}
.side-case-card p{font-size:13px;color:var(--muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-case-card .case-cat{margin-bottom:10px;background:var(--primary-soft);color:var(--primary)}

/* ===== Method ===== */
.method-section{background:var(--white)}
.method-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.method-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-sm)}
.method-media img{width:100%;height:100%;object-fit:cover;min-height:440px}
.method-media:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(14,79,74,.18),rgba(10,53,50,.02))}
.method-media .method-note{position:absolute;left:20px;bottom:20px;background:rgba(255,255,255,.92);color:var(--primary);border-radius:14px;padding:12px 18px;font-size:13px;font-weight:600}
.steps-list{position:relative;display:flex;flex-direction:column;gap:26px;margin-top:24px}
.step-item{position:relative;padding-left:72px;min-height:56px}
.step-item:not(:last-child):before{content:"";position:absolute;left:21px;top:58px;bottom:-28px;width:2px;background:linear-gradient(180deg,var(--accent),rgba(200,155,94,.15))}
.step-num{position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;border:1px solid var(--accent);color:var(--accent);font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;background:#fff}
.step-item h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:5px}
.step-item p{font-size:14px;color:var(--muted);line-height:1.7}
.method-fact{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:32px;padding-top:26px;border-top:1px solid var(--border)}
.method-fact div small{display:block;font-size:13px;color:var(--muted)}
.method-fact div b{font-size:17px;color:var(--primary);font-weight:700}

/* ===== News / CMS List ===== */
.news-section{background:var(--bg)}
.news-list .cell{display:flex;margin-bottom:28px}
.news-card{width:100%}
.news-card{background:var(--white);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;height:100%;transition:transform .3s ease,box-shadow .3s ease}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.news-thumb{height:190px;overflow:hidden;position:relative;background:var(--primary)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-thumb:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(10,53,50,.28))}
.news-thumb .thumb-tag{position:absolute;left:16px;top:16px;z-index:2;background:rgba(255,255,255,.92);color:var(--primary);border-radius:99px;padding:4px 12px;font-size:12px;font-weight:700}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:19px;line-height:1.5;color:var(--ink);font-weight:700;margin-bottom:10px}
.news-body .news-desc{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:14px;margin-top:auto;font-size:13px;color:var(--muted)}
.news-meta .date{display:inline-flex;align-items:center;gap:6px}
.news-meta .read-more{color:var(--primary);font-weight:700;transition:color .25s ease}
.news-meta .read-more:hover{color:var(--accent-deep)}
.empty-state{
  background:var(--white);border-radius:var(--radius-card);padding:52px 30px;text-align:center;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state .empty-icon{width:60px;height:60px;border-radius:18px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:26px;font-weight:600}
.empty-state p{color:var(--muted);font-size:15px}
.empty-state .empty-action{display:flex;gap:12px;margin-top:8px;flex-wrap:wrap;justify-content:center}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px;align-items:start}
.faq-list{display:block}
.faq-item{border-bottom:1px solid var(--border);padding:6px 0}
.faq-item+.faq-item{margin-top:0}
.faq-item__q{display:flex;justify-content:space-between;align-items:center;gap:20px;width:100%;padding:20px 6px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);background:none}
.faq-item__q .faq-icon{width:26px;height:26px;border-radius:50%;border:1px solid var(--primary);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:16px;transition:all .25s ease;font-style:normal;flex:0 0 auto}
.faq-item.is-open .faq-icon{background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-item__a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding:0 8px}
.faq-item.is-open .faq-item__a{max-height:300px;padding:4px 8px 20px;border-left:3px solid var(--primary);}
.faq-item__a p{color:var(--muted);font-size:15px;line-height:1.8}

/* ===== CTA ===== */
.cta-section{position:relative;overflow:hidden;background:linear-gradient(120deg,#073B36,#0E4F4A 70%,#17675F);color:#fff}
.cta-section:before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;opacity:.17;mix-blend-mode:soft-light}
.cta-section:after{content:"";position:absolute;right:-70px;top:-70px;width:300px;height:300px;border-radius:50%;border:1px solid rgba(255,255,255,.14)}
.cta-box{position:relative;z-index:2;text-align:center;padding:44px 0 64px}
.cta-box h2{font-size:34px;line-height:1.4;color:#fff;font-weight:700;margin-bottom:16px}
.cta-box p{max-width:660px;margin:0 auto 30px;color:rgba(255,255,255,.82);font-size:17px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-note{margin-top:22px;color:rgba(255,255,255,.58);font-size:13px}

/* ===== Footer ===== */
.site-footer{background:#0A332F;color:rgba(255,255,255,.78);padding:68px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr 1.1fr;gap:42px}
.footer-brand .brand{color:#fff;font-size:28px}
.footer-brand .brand span{color:var(--accent)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.66);margin-top:18px;line-height:1.8}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social span{width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.85);font-size:14px}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a,.footer-contact p{color:rgba(255,255,255,.7);font-size:14px;transition:color .25s ease,padding-left .25s ease}
.footer-list a:hover{color:var(--accent);padding-left:5px}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact a{color:rgba(255,255,255,.8);font-size:14px}
.footer-contact a:hover{color:var(--accent)}
.footer-contact .contact-address{color:rgba(255,255,255,.64);font-size:13px;line-height:1.7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;margin-top:50px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.52)}
.footer-bottom a{color:rgba(255,255,255,.8)}
.footer-bottom a:hover{color:var(--accent)}

/* Responsive */
@media (max-width:1024px){
  .header-nav-area{gap:10px}
  .main-nav a{padding:10px 10px;font-size:14px}
  .section{padding:72px 0}
  .section-title{font-size:28px}
  .hero h1{font-size:36px}
  .metric-inner{grid-template-columns:1fr;gap:40px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .method-wrap{grid-template-columns:1fr;gap:38px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .hero-trust-strip{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:899px){
  .header-container{height:70px}
  .header-nav-area{
    position:fixed;top:70px;left:0;right:0;bottom:auto;background:#fff;
    flex-direction:column;align-items:stretch;padding:18px 24px 26px;gap:16px;
    display:none;box-shadow:0 24px 40px rgba(10,53,50,.16);max-height:calc(100vh - 70px);overflow:auto;
  }
  .header-nav-area.is-open{display:flex}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .main-nav{flex-direction:column;align-items:stretch}
  .main-nav a{padding:12px 8px;font-size:16px;border-bottom:1px solid var(--border)}
  .main-nav a:after{display:none}
  .header-actions{flex-direction:row;align-items:center;flex-wrap:wrap}
  .header-nav-cta{justify-content:center}
  .mega-shell{position:static}
  .mega-trigger{order:2;width:auto;align-self:flex-start}
  .mega-menu{position:static;width:100%;padding-top:10px;transform:none;opacity:1;pointer-events:auto;display:none}
  .mega-shell.is-open .mega-menu{display:block}
  .mega-panel{grid-template-columns:1fr;border-radius:18px}
  .mega-media-col{display:none}
  .site-header{padding-bottom:0}
  .right-align-mobile{text-align:left}
}

@media (max-width:767px){
  .section{padding:56px 0}
  .section-title{font-size:24px}
  .hero-inner{padding-top:54px}
  .hero h1{font-size:30px}
  .hero-desc{font-size:16px}
  .hero-trust-strip{grid-template-columns:1fr 1fr;padding:16px 0 20px}
  .hero-trust-item{padding:10px 12px}
  .hero-trust-item b{font-size:20px}
  .metric-grid{grid-template-columns:1fr;gap:18px}
  .metric-item{max-width:100%}
  .case-main-card img{min-height:330px}
  .side-case-card{flex-direction:column}
  .side-case-card .case-thumb{width:100%;height:170px;position:relative}
  .side-case-card .case-thumb img{position:static;height:170px;width:100%}
  .method-fact{grid-template-columns:1fr 1fr}
  .method-media img{min-height:320px}
  .faq-item__q{font-size:16px;padding:16px 4px}
  .cta-box h2{font-size:26px}
  .cta-section{padding:30px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
  .header-nav-cta{width:100%}
  .mega-trigger{width:100%;justify-content:center}
  .hero-visual-wrap{padding:20px 0 0 0}
  .hero-visual-card img{height:300px}
}

@media (max-width:520px){
  .hero h1{font-size:27px;line-height:1.4}
  .hero-desc{font-size:15px}
  .hero-actions .btn-primary,.hero-actions .btn-secondary{width:100%}
  .hero-trust-strip{grid-template-columns:1fr}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:16px}
  .method-fact{grid-template-columns:1fr}
  .text-link-btn{margin-top:6px}
  .news-meta{flex-direction:column;align-items:flex-start;gap:8px}
  .metric-ring{width:82px;height:82px}
  .metric-ring b{font-size:17px}
}

/* roulang page: category1 */
:root {
    --brand: #0E4F4A;
    --brand-deep: #0A3532;
    --brand-dark: #0A332F;
    --copper: #B68B40;
    --accent: #C89B5E;
    --bg: #F7F6F2;
    --white: #FFFFFF;
    --ink: #222525;
    --text: #46514D;
    --muted: #6B746F;
    --line: #E2E1DA;
    --soft-green: #E8F0EC;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --shadow-1: 0 6px 16px rgba(10, 53, 50, 0.06);
    --shadow-2: 0 16px 32px rgba(10, 53, 50, 0.12);
    --container: 1200px;
    --speed: .25s ease;
}

* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    scrollbar-color: rgba(14,79,74,.55) #ECEAE4;
}
body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
body, p, h1, h2, h3, ul, ol, figure, form {
    margin: 0;
    padding: 0;
}
img {
    max-width: 100%;
    display: block;
    height: auto;
}
a {
    color: var(--brand);
    text-decoration: none;
}
ul, ol {
    list-style: none;
}
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
    width: 100%;
}
::selection {
    background: rgba(198, 155, 94, .28);
}
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-thumb {
    background: rgba(14,79,74,.45);
    border-radius: 999px;
    border: 2px solid var(--bg);
}
::-webkit-scrollbar-track {
    background: #ECEAE4;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 12px;
    z-index: 99;
    background: var(--white);
    color: var(--brand);
    padding: 8px 18px;
    border-radius: 999px;
}
.skip-link:focus {
    left: 16px;
}

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.header-top-strip {
    height: 8px;
    background: linear-gradient(90deg, var(--brand) 0%, var(--copper) 70%, var(--accent) 100%);
}
.header-main {
    border-bottom: 1px solid rgba(226, 225, 218, .9);
    box-shadow: 0 6px 22px rgba(10, 53, 50, .05);
}
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    gap: 18px;
}
.brand {
    display: inline-flex;
    align-items: baseline;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: .4px;
    color: var(--brand);
    white-space: nowrap;
}
.brand span {
    color: var(--copper);
    font-weight: 800;
    margin-left: 2px;
}
.header-nav-area {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
    flex: 1;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.main-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 18px;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    border-radius: 999px;
    position: relative;
    transition: color .25s ease, background .25s ease;
}
.main-nav a::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 2px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--brand), var(--accent));
    opacity: 0;
    transform: scaleX(.3);
    transform-origin: left center;
    transition: opacity .25s ease, transform .25s ease;
}
.main-nav a:hover,
.main-nav a.is-active {
    color: var(--brand);
    background: rgba(14, 79, 74, .06);
}
.main-nav a.is-active::after {
    opacity: 1;
    transform: scaleX(1);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Mega trigger and panel */
.mega-shell {
    position: relative;
}
.mega-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 16px;
    border: 0;
    background: transparent;
    border-radius: 999px;
    color: var(--ink);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background .25s ease, color .25s ease;
}
.mega-trigger:hover {
    background: rgba(14, 79, 74, .06);
    color: var(--brand);
}
.chevron {
    width: 9px;
    height: 9px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform .25s ease;
}
.mega-shell:hover .chevron,
.mega-shell.is-open .chevron {
    transform: rotate(225deg) translate(-1px, -1px);
}
.mega-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    width: 720px;
    padding-top: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .28s ease, transform .28s ease, visibility .28s;
    z-index: 90;
}
.mega-shell:hover .mega-menu,
.mega-shell:focus-within .mega-menu,
.mega-shell.is-open .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.mega-panel {
    background: var(--white);
    border: 1px solid rgba(226, 225, 218, .9);
    border-radius: 18px;
    box-shadow: var(--shadow-2);
    overflow: hidden;
    padding: 26px 26px 0;
}
.mega-link-line {
    width: 44px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--brand), var(--accent));
    margin-bottom: 20px;
}
.mega-panel {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 30px;
}
.mega-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--muted);
    letter-spacing: .12em;
    margin-bottom: 14px;
}
.mega-list {
    display: grid;
    gap: 6px;
}
.mega-list a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 10px;
    border-radius: 12px;
    color: var(--ink);
    font-size: 15px;
    font-weight: 600;
    transition: background .22s ease, color .22s ease, padding-left .22s ease;
}
.mega-list a i {
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: linear-gradient(135deg, var(--brand), var(--accent));
    flex: 0 0 auto;
}
.mega-list a:hover {
    background: var(--bg);
    color: var(--brand);
    padding-left: 16px;
}
.mega-media-col {
    min-width: 0;
}
.mega-media {
    border-radius: 14px;
    overflow: hidden;
    background: var(--soft-green);
    color: var(--brand-deep);
    min-height: 150px;
}
.mega-media img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}
.mega-media span {
    display: block;
    padding: 12px 14px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--brand-deep);
}
.mega-bottom {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: var(--bg);
    margin: 0 -26px;
    padding: 14px 26px;
    border-top: 1px solid var(--line);
}
.mega-bottom strong {
    color: var(--brand);
    font-size: 15px;
}
.mega-bottom span {
    font-size: 13px;
    color: var(--muted);
}
.header-nav-cta {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0 24px;
    border-radius: 999px;
    background: linear-gradient(100deg, var(--brand), var(--copper));
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    box-shadow: 0 6px 18px rgba(14, 79, 74, .18);
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.header-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(14, 79, 74, .24);
    color: #fff;
}
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
    transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle span {
    position: relative;
}
.nav-toggle span::before,
.nav-toggle span::after {
    content: "";
    position: absolute;
    left: 0;
    top: -6px;
}
.nav-toggle span::after {
    top: 6px;
}
.nav-toggle.open span {
    background: transparent;
}
.nav-toggle.open span::before {
    transform: translateY(6px) rotate(45deg);
}
.nav-toggle.open span::after {
    transform: translateY(-6px) rotate(-45deg);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 0 28px;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
}
.btn-primary {
    background: linear-gradient(100deg, var(--brand), var(--copper));
    color: #fff;
    box-shadow: 0 8px 20px rgba(14, 79, 74, .18);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(14, 79, 74, .26);
    color: #fff;
}
.btn-outline {
    background: var(--white);
    color: var(--brand);
    border-color: var(--brand);
}
.btn-outline:hover {
    background: var(--soft-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-1);
}
.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, .7);
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #fff;
    color: #fff;
}
.btn-block {
    width: 100%;
}

/* ---------- Category banner ---------- */
.cat-banner {
    position: relative;
    overflow: hidden;
    background: var(--brand-deep);
}
.banner-bg {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(105deg, rgba(10, 53, 50, .96), rgba(14, 79, 74, .86), rgba(14, 79, 74, .64)), url("/assets/images/backpic/back-1.png");
    background-size: cover;
    background-position: center;
}
.cat-banner-inner {
    position: relative;
    padding-top: 38px;
    padding-bottom: 72px;
}
.crumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, .72);
    font-size: 14px;
    margin-bottom: 34px;
}
.crumb-list a {
    color: rgba(255, 255, 255, .82);
}
.crumb-list span[aria-current="page"] {
    color: var(--accent);
}
.crumb-list i {
    font-style: normal;
    opacity: .7;
}
.cat-banner-grid {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 32px;
    align-items: center;
}
.cat-banner-content h1 {
    font-size: 42px;
    line-height: 1.24;
    color: #fff;
    font-weight: 800;
    letter-spacing: -.5px;
    margin-bottom: 18px;
}
.cat-banner-content p {
    max-width: 66ch;
    color: rgba(255, 255, 255, .86);
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 24px;
}
.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
.cat-banner-note {
    border-radius: 18px;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .16);
    padding: 26px 26px 24px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, .1);
}
.cat-banner-note span {
    display: inline-flex;
    align-items: center;
    color: var(--accent);
    font-weight: 800;
    letter-spacing: .06em;
    margin-bottom: 16px;
}
.cat-banner-note span::before {
    content: "";
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 3px;
    margin-right: 10px;
}
.cat-banner-note h2 {
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}
.cat-banner-note p {
    font-size: 14px;
    color: rgba(255, 255, 255, .78);
    line-height: 1.8;
    margin-bottom: 0;
}
.cat-banner-note p + p {
    margin-top: 10px;
}
.cat-banner-note p strong {
    color: var(--accent);
    font-weight: 700;
}

/* ---------- Metric strip ---------- */
.metric-band {
    background: #fff;
    border-bottom: 1px solid var(--line);
}
.metric-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    padding: 28px 0;
}
.metric-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg);
    border: 1px solid rgba(226, 225, 218, .7);
    border-radius: 18px;
    padding: 12px 18px;
}
.metric-icon {
    width: 46px;
    height: 46px;
    flex: 0 0 auto;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(14, 79, 74, .1), rgba(198, 155, 94, .14));
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
}
.metric-value {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: var(--brand);
    line-height: 1.2;
}
.metric-value small {
    font-size: 14px;
    font-weight: 700;
}
.metric-label {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
}

/* ---------- Layout ---------- */
.section {
    padding: 90px 0;
}
.section-bg-light {
    background: #fff;
}
.cat-layout {
    padding: 90px 0 40px;
}
.main-column {
    padding-bottom: 40px;
}
.block-heading {
    margin-bottom: 24px;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--copper);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: none;
    margin-bottom: 12px;
}
.eyebrow::before {
    content: "";
    width: 22px;
    height: 3px;
    background: linear-gradient(90deg, var(--brand), var(--copper));
    border-radius: 99px;
}
.block-heading h2,
.section-title {
    color: var(--ink);
    font-size: 30px;
    line-height: 1.35;
    font-weight: 800;
    letter-spacing: -.3px;
}
.block-heading p,
.section-desc {
    color: var(--muted);
    margin-top: 12px;
    font-size: 16px;
    max-width: 78ch;
}
.lead-copy p + p {
    margin-top: 16px;
}
.lead-copy strong {
    color: var(--brand);
    font-weight: 700;
}
.media-card {
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-1);
    background: #fff;
    margin: 28px 0 12px;
}
.media-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}
.media-card figcaption {
    padding: 12px 20px;
    font-size: 13px;
    color: var(--muted);
    border-top: 1px solid var(--line);
}
.quote-note {
    border-left: 4px solid var(--accent);
    background: rgba(198, 155, 94, .08);
    padding: 18px 22px;
    border-radius: 0 14px 14px 0;
    font-size: 15px;
    color: var(--brand-deep);
    margin-top: 26px;
}
.quote-note strong {
    color: var(--brand);
}

/* service scope */
.scope-section {
    margin: 52px 0 20px;
}
.scope-subtitle {
    color: var(--ink);
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 26px;
    line-height: 1.4;
}
.scope-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}
.scope-cell {
    display: flex;
    gap: 16px;
    background: #fff;
    border: 1px solid rgba(226, 225, 218, .9);
    border-radius: 18px;
    padding: 20px 20px;
    box-shadow: var(--shadow-1);
    transition: transform .25s ease, box-shadow .25s ease;
}
.scope-cell:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2);
}
.scope-num {
    flex: 0 0 auto;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(145deg, rgba(14, 79, 74, .1), rgba(198, 155, 94, .12));
    color: var(--brand);
    font-size: 18px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}
.scope-copy h3 {
    font-size: 17px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 6px;
}
.scope-copy p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--muted);
}

/* process */
.process-section {
    margin-top: 60px;
    padding: 34px 0 10px;
    border-top: 1px solid var(--line);
}
.process-section .section-title {
    font-size: 28px;
    margin-bottom: 8px;
}
.process-list {
    position: relative;
    margin-top: 36px;
    padding-left: 0;
}
.process-list::before {
    content: "";
    position: absolute;
    left: 20px;
    top: 12px;
    bottom: 26px;
    width: 2px;
    background: linear-gradient(180deg, var(--brand), rgba(198, 155, 94, .42));
}
.process-item {
    position: relative;
    display: flex;
    gap: 22px;
    padding-left: 0;
    padding-bottom: 34px;
}
.process-item:last-child {
    padding-bottom: 8px;
}
.process-point {
    z-index: 1;
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--copper);
    color: var(--brand);
    font-weight: 800;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 5px rgba(198, 155, 94, .12);
}
.process-copy {
    padding-top: 2px;
}
.process-copy h3 {
    font-size: 18px;
    color: var(--ink);
    font-weight: 800;
    margin-bottom: 6px;
}
.process-copy p {
    font-size: 15px;
    color: var(--muted);
    max-width: 64ch;
}
.process-copy p strong {
    color: var(--brand);
}

/* sidebar */
.sidebar-rail {
    display: grid;
    gap: 28px;
    padding-bottom: 56px;
}
.side-card {
    background: #fff;
    border-radius: 18px;
    box-shadow: var(--shadow-1);
    border: 1px solid rgba(226, 225, 218, .8);
    padding: 28px 24px;
}
.side-card-title {
    font-size: 22px;
    color: var(--ink);
    font-weight: 800;
    margin-bottom: 8px;
}
.side-card-desc {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 20px;
    line-height: 1.7;
}
.field {
    margin-bottom: 16px;
}
.field label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 6px;
}
.field input,
.field textarea {
    width: 100%;
    min-height: 48px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--ink);
    font-family: inherit;
    transition: border-color .22s ease, box-shadow .22s ease;
}
.field textarea {
    min-height: 96px;
    resize: vertical;
    line-height: 1.6;
}
.field input::placeholder,
.field textarea::placeholder {
    color: #9BA29E;
    font-size: 14px;
}
.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(198, 155, 94, .18);
}
.form-note {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.6;
    margin-top: 14px;
    text-align: center;
}
.form-success {
    background: rgba(14, 79, 74, .07);
    border: 1px solid rgba(14, 79, 74, .14);
    border-radius: 12px;
    padding: 16px;
    color: var(--brand);
    font-size: 14px;
    line-height: 1.65;
    display: none;
}
.side-list-card {
    padding: 26px 24px;
}
.side-list-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 6px;
}
.side-list-sub {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 18px;
}
.side-pick-list {
    counter-reset: pick;
    margin: 0;
    padding: 0;
    list-style: none;
}
.side-pick-list li {
    counter-increment: pick;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 13px 0;
    border-top: 1px solid var(--line);
    font-size: 14px;
    color: var(--ink);
}
.side-pick-list li::before {
    content: "0" counter(pick);
    font-size: 12px;
    font-weight: 800;
    color: var(--copper);
    border: 1px solid rgba(198, 155, 94, .5);
    border-radius: 7px;
    width: 32px;
    height: 32px;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}
.side-pick-list li strong {
    display: block;
    font-weight: 700;
    color: var(--brand);
    font-size: 14px;
}
.side-pick-list li span {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.6;
}

/* FAQ */
.faq-section {
    padding: 90px 0;
    background: #fff;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.faq-head-wrap {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    margin-bottom: 40px;
}
.faq-head-wrap .section-desc {
    max-width: 460px;
    text-align: right;
    margin-top: 0;
}
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
}
.faq-card {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.faq-card:hover {
    border-color: rgba(198, 155, 94, .5);
    box-shadow: var(--shadow-1);
}
.faq-card details {
    padding: 0 20px;
}
.faq-card summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 74px;
    padding: 18px 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    border-top: 2px solid transparent;
    transition: color .22s ease;
}
.faq-card summary::-webkit-details-marker {
    display: none;
}
.faq-card summary::after {
    content: "+";
    font-size: 22px;
    line-height: 1;
    color: var(--brand);
    width: 28px;
    height: 28px;
    flex: 0 0 auto;
    border: 1.5px solid var(--brand);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform .25s ease, color .25s ease, border-color .25s ease;
}
.faq-card details[open] {
    border-top: none;
}
.faq-card details[open] summary {
    color: var(--brand);
}
.faq-card details[open] summary::after {
    content: "−";
    transform: rotate(180deg);
    background: var(--soft-green);
}
.faq-card .faq-answer {
    padding: 0 26px 22px 0;
    font-size: 15px;
    line-height: 1.85;
    color: var(--muted);
}
.faq-card .faq-answer strong {
    color: var(--brand);
}

/* CTA */
.cta-section {
    position: relative;
    padding: 100px 0;
    background: var(--brand-deep);
    background-image: linear-gradient(rgba(10, 53, 50, .93), rgba(14, 79, 74, .86)), url("/assets/images/backpic/back-2.webp");
    background-size: cover;
    background-position: center;
    text-align: center;
    color: #fff;
}
.cta-inner {
    max-width: 760px;
    margin: 0 auto;
}
.cta-inner .eyebrow {
    color: var(--accent);
    justify-content: center;
    margin-bottom: 16px;
}
.cta-inner .eyebrow::before {
    display: none;
}
.cta-inner h2 {
    font-size: 34px;
    line-height: 1.4;
    color: #fff;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -.4px;
}
.cta-inner p {
    color: rgba(255, 255, 255, .84);
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 28px;
}
.cta-inner .btn-row {
    justify-content: center;
}
.cta-line {
    margin-top: 22px;
    font-size: 13px;
    color: rgba(255, 255, 255, .65);
}
.cta-line a {
    color: #fff;
    border-bottom: 1px solid var(--accent);
}

/* Footer */
.site-footer {
    background: var(--brand-dark);
    color: rgba(255, 255, 255, .74);
    padding-top: 64px;
    padding-bottom: 28px;
    border-top: 4px solid var(--copper);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.25fr .7fr .9fr 1fr;
    gap: 40px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.site-footer .brand {
    color: #fff;
    font-size: 26px;
    margin-bottom: 16px;
}
.site-footer .brand span {
    color: var(--accent);
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.9;
    color: rgba(255, 255, 255, .68);
    max-width: 38ch;
}
.footer-social {
    display: flex;
    gap: 8px;
    margin-top: 20px;
}
.footer-social span {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, .08);
    color: rgba(255, 255, 255, .86);
    border-radius: 10px;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.footer-title {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: .02em;
}
.footer-list {
    display: grid;
    gap: 10px;
}
.footer-list a,
.footer-contact a {
    color: rgba(255, 255, 255, .66);
    font-size: 14px;
    line-height: 1.6;
    transition: color .2s ease, padding-left .2s ease;
}
.footer-list a:hover,
.footer-contact a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-contact a[href^="mailto"] {
    display: inline-block;
    margin-bottom: 16px;
}
.contact-address {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .58);
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 24px;
    font-size: 13px;
    color: rgba(255, 255, 255, .5);
}
.footer-bottom a {
    color: rgba(255, 255, 255, .7);
}
.footer-bottom a:hover {
    color: #fff;
}

/* responsive */
@media screen and (max-width: 1023px) {
    .header-nav-area {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        padding: 18px 24px 28px;
        box-shadow: 0 18px 36px rgba(10, 53, 50, .18);
        border-bottom: 1px solid var(--line);
    }
    .site-header.nav-open .header-nav-area {
        display: block;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }
    .nav-toggle {
        display: inline-flex;
    }
    .main-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }
    .main-nav a {
        justify-content: space-between;
        border-bottom: 1px solid var(--line);
        border-radius: 0;
        padding: 0 2px;
        min-height: 50px;
    }
    .main-nav a::after {
        display: none;
    }
    .main-nav a.is-active {
        color: var(--brand);
    }
    .header-actions {
        align-items: stretch;
        flex-direction: column;
        margin-top: 18px;
    }
    .header-nav-cta {
        justify-content: center;
        width: 100%;
    }
    .mega-trigger {
        justify-content: space-between;
        width: 100%;
        border: 1px solid var(--line);
        background: var(--bg);
    }
    .mega-menu {
        position: static;
        width: auto;
        padding-top: 8px;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }
    .mega-shell.is-open .mega-menu,
    .mega-shell:hover .mega-menu,
    .mega-shell:focus-within .mega-menu {
        opacity: 1;
        visibility: visible;
        transform: none;
        display: block;
    }
    .mega-panel {
        display: block;
        padding: 16px;
        border: 0;
        box-shadow: none;
        background: var(--bg);
        border-radius: 12px;
        margin: 0;
    }
    .mega-panel .mega-link-line {
        margin-bottom: 10px;
    }
    .mega-media-col {
        margin-top: 8px;
    }
    .mega-media img {
        height: 120px;
    }
    .mega-bottom {
        display: block;
        margin: 14px 0 0;
        padding: 0;
        background: transparent;
        border: 0;
    }
    .mega-bottom span {
        display: block;
        margin-top: 4px;
    }
    .cat-banner-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .cat-banner-content h1 {
        font-size: 34px;
    }
    .metric-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media screen and (max-width: 640px) {
    .section,
    .cat-layout,
    .faq-section {
        padding: 52px 0;
    }
    .cat-banner-inner {
        padding-top: 26px;
        padding-bottom: 46px;
    }
    .crumb-list {
        margin-bottom: 24px;
    }
    .cat-banner-content h1 {
        font-size: 27px;
    }
    .cat-banner-content p {
        font-size: 15px;
    }
    .btn {
        width: 100%;
    }
    .btn-row {
        flex-direction: column;
    }
    .cat-banner-note {
        padding: 18px;
    }
    .metric-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .metric-item {
        padding: 14px 16px;
    }
    .scope-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
    .block-heading h2,
    .section-title {
        font-size: 24px;
        line-height: 1.45;
    }
    .faq-head-wrap {
        flex-direction: column;
        align-items: flex-start;
    }
    .faq-head-wrap .section-desc {
        text-align: left;
    }
    .process-list::before {
        left: 18px;
    }
    .process-point {
        width: 38px;
        height: 38px;
    }
    .process-item {
        gap: 16px;
    }
    .cta-section {
        padding: 64px 0;
    }
    .cta-inner h2 {
        font-size: 26px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        row-gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
    }
}

/* roulang page: article */
:root {
            --teal-900: #0A3532;
            --teal-700: #0E4F4A;
            --teal-100: #E8F0EC;
            --copper: #C89B5E;
            --copper-dark: #B68B40;
            --canvas: #F7F6F2;
            --white: #FFFFFF;
            --ink: #202622;
            --muted: #6E736F;
            --line: #E2E1DA;
            --danger: #B3474D;
            --radius-lg: 18px;
            --radius-md: 12px;
            --shadow-1: 0 6px 16px rgba(10, 53, 50, 0.06);
            --shadow-2: 0 16px 32px rgba(10, 53, 50, 0.12);
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
        }

        *,
        *:before,
        *:after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scrollbar-color: rgba(14, 79, 74, 0.4) var(--canvas);
            scrollbar-width: thin;
        }

        body {
            margin: 0;
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--ink);
            background: var(--canvas);
            -webkit-font-smoothing: antialiased;
        }

        body::-webkit-scrollbar {
            width: 10px;
        }

        body::-webkit-scrollbar-track {
            background: var(--canvas);
        }

        body::-webkit-scrollbar-thumb {
            background: rgba(14, 79, 74, 0.35);
            border-radius: 8px;
            border: 2px solid var(--canvas);
        }

        body::-webkit-scrollbar-thumb:hover {
            background: rgba(14, 79, 74, 0.6);
        }

        a {
            color: var(--teal-700);
            text-underline-offset: 3px;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--teal-900);
        }

        img {
            max-width: 100%;
            display: inline-block;
            vertical-align: middle;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: min(1200px, calc(100% - 40px));
            margin-right: auto;
            margin-left: auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 4px 16px rgba(10, 53, 50, 0.04);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
        }

        .header-top-strip {
            height: 8px;
            background: linear-gradient(90deg, var(--teal-700), var(--copper-dark) 58%, var(--copper));
        }

        .header-main {
            border-bottom: 1px solid rgba(226, 225, 218, 0.7);
        }

        .header-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            position: relative;
            gap: 20px;
        }

        .brand {
            flex-shrink: 0;
            text-decoration: none;
            font-weight: 800;
            font-size: 28px;
            letter-spacing: -0.02em;
            color: var(--teal-700);
            line-height: 1;
        }

        .brand span {
            color: var(--copper-dark);
        }

        .brand:hover {
            color: var(--teal-700);
        }

        .header-nav-area {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .main-nav {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 2px;
            align-items: center;
        }

        .main-nav a,
        .main-nav button {
            border: 0;
            cursor: pointer;
            background: transparent;
            padding: 12px 18px;
            color: var(--ink);
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            border-radius: 999px;
            position: relative;
            display: inline-flex;
            align-items: center;
            transition: color 0.2s ease, background 0.2s ease;
        }

        .main-nav a.is-active,
        .main-nav a:hover,
        .main-nav button:hover {
            color: var(--teal-700);
            background: rgba(14, 79, 74, 0.05);
        }

        .main-nav a.is-active:after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 5px;
            height: 3px;
            background: var(--copper);
            border-radius: 999px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .mega-shell {
            position: relative;
        }

        .mega-trigger {
            border: 0;
            background: transparent;
            cursor: pointer;
            color: var(--ink);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 14px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s ease;
        }

        .mega-trigger:hover,
        .mega-shell.is-open .mega-trigger {
            color: var(--teal-700);
            background: rgba(14, 79, 74, 0.05);
        }

        .chevron {
            width: 7px;
            height: 7px;
            border-right: 2px solid currentColor;
            border-bottom: 2px solid currentColor;
            transform: rotate(45deg) translateY(-2px);
            display: inline-block;
        }

        .mega-menu,
        .mega-shell:focus-within .mega-menu {
            display: none;
            position: absolute;
            left: 50%;
            top: calc(100% + 12px);
            transform: translateX(-50%);
            width: 680px;
            max-width: calc(100vw - 34px);
            padding-top: 0;
            z-index: 1200;
            outline: none;
        }

        .mega-shell:hover .mega-menu,
        .mega-shell.is-open .mega-menu,
        .mega-shell:focus-within .mega-menu {
            display: block;
        }

        .mega-panel {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-2);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 4px;
            padding: 18px 22px;
            position: relative;
        }

        .mega-link-line {
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--teal-700), var(--copper));
        }

        .mega-label {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--muted);
            margin: 0 0 12px;
            text-transform: uppercase;
        }

        .mega-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mega-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--ink);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            padding: 9px 12px;
            border-radius: 10px;
            transition: color 0.2s, background 0.2s, transform 0.2s;
        }

        .mega-list a:hover {
            color: var(--teal-700);
            background: rgba(14, 79, 74, 0.05);
            transform: translateX(4px);
        }

        .mega-list i {
            width: 8px;
            height: 8px;
            border-radius: 2px;
            background: var(--copper);
            flex-shrink: 0;
        }

        .mega-media-col {
            border: 0;
        }

        .mega-media {
            border-radius: 14px;
            overflow: hidden;
            position: relative;
            height: 150px;
            background: var(--teal-100);
            box-shadow: var(--shadow-1);
        }

        .mega-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .mega-media span {
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 12px;
            padding: 6px 10px;
            border-radius: 8px;
            background: rgba(10, 53, 50, 0.78);
            color: #fff;
            font-size: 12px;
            text-align: center;
            backdrop-filter: blur(4px);
        }

        .mega-bottom {
            grid-column: 1 / -1;
            background: var(--canvas);
            border-radius: 10px;
            padding: 10px 14px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .mega-bottom strong {
            color: var(--teal-700);
            font-size: 14px;
        }

        .mega-bottom span {
            color: var(--muted);
            font-size: 12px;
        }

        .header-nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 42px;
            padding: 0 24px;
            border-radius: 999px;
            background: linear-gradient(120deg, var(--teal-700), var(--copper-dark));
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            white-space: nowrap;
            box-shadow: 0 6px 16px rgba(14, 79, 74, 0.14);
            transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.3s ease;
        }

        .header-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(10, 53, 50, 0.22);
            color: #fff;
            background: linear-gradient(120deg, var(--copper-dark), var(--teal-700));
        }

        .nav-toggle {
            display: none;
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: transparent;
            border: 1px solid var(--line);
            position: relative;
            cursor: pointer;
        }

        .nav-toggle span,
        .nav-toggle span:before,
        .nav-toggle span:after {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--teal-700);
            position: absolute;
            left: 50%;
            margin-left: -10px;
            top: 50%;
            margin-top: -1px;
            transition: all 0.25s ease;
        }

        .nav-toggle span:before {
            top: -7px;
            margin-top: 0;
        }

        .nav-toggle span:after {
            top: 7px;
            margin-top: 0;
        }

        .article-banner {
            background:
                linear-gradient(105deg, rgba(10, 53, 50, 0.96), rgba(14, 79, 74, 0.82)),
                url("/assets/images/backpic/back-1.png") center center / cover no-repeat;
            color: #fff;
            padding: 56px 0 36px;
            min-height: 280px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .article-banner:after {
            content: "";
            position: absolute;
            right: -10%;
            top: -10%;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            border: 1px solid rgba(200, 155, 94, 0.3);
            pointer-events: none;
        }

        .article-banner .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.82);
            text-decoration: none;
            transition: color 0.2s;
        }

        .breadcrumb a:hover {
            color: var(--copper);
        }

        .breadcrumb span {
            color: rgba(255, 255, 255, 0.45);
        }

        .breadcrumb strong {
            color: var(--copper);
            font-weight: 500;
            display: inline-block;
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .banner-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 5px 14px;
            border-radius: 999px;
            border: 1px solid rgba(200, 155, 94, 0.55);
            background: rgba(200, 155, 94, 0.14);
            color: #f5d9b4;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.02em;
            margin-top: 14px;
        }

        .article-main-wrap {
            padding: 0 0 84px;
            background: var(--canvas);
        }

        .article-shell {
            max-width: 780px;
            margin: -58px auto 0;
            position: relative;
            z-index: 3;
        }

        .article-paper {
            background: var(--white);
            border-radius: 22px;
            box-shadow: var(--shadow-1);
            padding: 52px 60px 56px;
            position: relative;
        }

        .article-paper {
            transition: box-shadow 0.25s ease;
        }

        .article-category-tag {
            display: inline-block;
            border: 1px solid var(--line);
            padding: 4px 13px;
            border-radius: 999px;
            color: var(--teal-700);
            background: var(--teal-100);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 22px;
        }

        .article-paper h1 {
            font-size: 34px;
            line-height: 1.35;
            font-weight: 700;
            color: var(--teal-900);
            margin: 0 0 20px;
            letter-spacing: -0.01em;
        }

        .post-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px 18px;
            padding-bottom: 22px;
            border-bottom: 1px solid var(--line);
            margin-bottom: 0;
            color: var(--muted);
            font-size: 14px;
        }

        .post-meta time {
            color: inherit;
        }

        .meta-dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--copper);
            display: inline-block;
        }

        .post-meta a {
            color: var(--teal-700);
            text-decoration: none;
            font-weight: 500;
        }

        .article-body {
            padding-top: 34px;
            font-size: 17px;
            line-height: 1.85;
            color: #2b2f2c;
            overflow-wrap: break-word;
            max-width: 100%;
        }

        .article-body p {
            margin: 0 0 24px;
            max-width: 72ch;
        }

        .article-body h2 {
            font-size: 25px;
            line-height: 1.4;
            margin: 40px 0 18px;
            color: var(--teal-900);
            font-weight: 700;
            padding-left: 14px;
            border-left: 4px solid var(--copper);
        }

        .article-body h3 {
            font-size: 20px;
            line-height: 1.5;
            margin: 30px 0 13px;
            color: var(--ink);
            font-weight: 700;
        }

        .article-body h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--teal-700);
            margin: 22px 0 10px;
        }

        .article-body ul {
            margin: 0 0 24px;
            padding-left: 4px;
            list-style: none;
        }

        .article-body ul li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 10px;
        }

        .article-body ul li:before {
            content: "";
            position: absolute;
            left: 2px;
            top: 0.82em;
            width: 9px;
            height: 9px;
            border-radius: 50%;
            border: 2px solid var(--copper);
        }

        .article-body ol {
            margin: 0 0 24px;
            padding-left: 22px;
        }

        .article-body ol li {
            margin-bottom: 10px;
        }

        .article-body blockquote {
            margin: 30px 0;
            padding: 18px 24px;
            background: var(--canvas);
            border-radius: 0 14px 14px 0;
            border-left: 4px solid var(--teal-700);
            color: var(--teal-900);
            font-size: 16px;
        }

        .article-body blockquote p {
            margin-bottom: 0;
        }

        .article-body a {
            color: var(--teal-700);
            text-decoration: underline;
            text-decoration-color: rgba(200, 155, 94, 0.7);
            text-underline-offset: 2px;
        }

        .article-body a:hover {
            color: var(--copper-dark);
        }

        .article-body img {
            border-radius: 12px;
            margin: 28px 0;
            box-shadow: var(--shadow-1);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: 12px;
            overflow: hidden;
        }

        .article-body th {
            background: var(--teal-100);
            color: var(--teal-900);
            text-align: left;
        }

        .article-body th,
        .article-body td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--line);
            vertical-align: top;
        }

        .article-body hr {
            border: 0;
            border-top: 1px solid var(--line);
            margin: 34px 0;
        }

        .article-body code {
            background: rgba(14, 79, 74, 0.08);
            border-radius: 5px;
            padding: 2px 7px;
            font-size: 14px;
        }

        .article-paper:after {
            content: "";
            display: table;
            clear: both;
        }

        .article-more {
            display: flex;
            justify-content: flex-end;
            padding-top: 24px;
            margin-top: 34px;
            border-top: 1px solid var(--line);
            font-size: 14px;
        }

        .article-more a {
            color: var(--teal-700);
            text-decoration: none;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-more a:hover {
            color: var(--copper-dark);
        }

        .article-more a:after {
            content: "→";
            transition: transform 0.2s ease;
        }

        .article-more a:hover:after {
            transform: translateX(4px);
        }

        .article-pager {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            max-width: 780px;
            margin: 26px auto 0;
        }

        .article-pager-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            text-decoration: none;
            display: flex;
            justify-content: center;
            flex-direction: column;
            box-shadow: var(--shadow-1);
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .article-pager-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-2);
            border-color: rgba(200, 155, 94, 0.55);
        }

        .article-pager-card small {
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 4px;
        }

        .article-pager-card strong {
            color: var(--teal-900);
            font-weight: 600;
            font-size: 18px;
            line-height: 1.4;
        }

        .article-pager-card.next {
            text-align: right;
            align-items: flex-end;
        }

        .empty-article {
            text-align: center;
            padding: 70px 40px;
            background: var(--white);
            border-radius: 22px;
            box-shadow: var(--shadow-1);
            border: 1px solid var(--line);
        }

        .empty-article .empty-icon {
            width: 86px;
            height: 86px;
            border-radius: 50%;
            background: linear-gradient(145deg, var(--teal-100), #f7f1e6);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 42px;
            font-weight: 800;
            color: var(--copper-dark);
        }

        .empty-article h1 {
            font-size: 30px;
            color: var(--teal-900);
            margin: 0 0 12px;
        }

        .empty-article p {
            color: var(--muted);
            font-size: 16px;
            margin-bottom: 28px;
        }

        .empty-article .site-button {
            justify-content: center;
        }

        .relationship-block {
            max-width: 780px;
            margin: 74px auto 0;
        }

        .section-caption {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 20px;
        }

        .section-caption h2 {
            font-size: 27px;
            color: var(--teal-900);
            margin: 0;
            font-weight: 700;
        }

        .section-caption p {
            color: var(--muted);
            margin: 0;
            font-size: 14px;
            max-width: 340px;
        }

        .story-card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 22px;
        }

        .story-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-1);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            display: flex;
            flex-direction: column;
        }

        .story-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-2);
        }

        .story-media {
            height: 158px;
            overflow: hidden;
            position: relative;
        }

        .story-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .story-card:hover .story-media img {
            transform: scale(1.03);
        }

        .story-body {
            padding: 18px 20px 20px;
            flex: 1;
        }

        .story-body h3 {
            font-size: 19px;
            line-height: 1.45;
            color: var(--teal-900);
            margin: 0 0 8px;
        }

        .story-body p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        .story-link {
            display: inline-flex;
            align-items: center;
            margin-top: 16px;
            color: var(--teal-700);
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
            gap: 5px;
        }

        .story-link:after {
            content: "→";
            transition: transform 0.2s ease;
        }

        .story-link:hover {
            color: var(--copper-dark);
        }

        .story-link:hover:after {
            transform: translateX(3px);
        }

        .cta-zone {
            margin: 78px 0 0;
            padding: 60px 0;
            background:
                linear-gradient(105deg, rgba(10, 53, 50, 0.92), rgba(14, 79, 74, 0.76)),
                url("/assets/images/backpic/back-3.webp") center center / cover no-repeat;
            color: #fff;
        }

        .cta-inner {
            max-width: 820px;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 32px;
            line-height: 1.3;
            margin: 0 0 16px;
            color: #fff;
            font-weight: 700;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto 28px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        .site-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 50px;
            padding: 0 30px;
            border: 0;
            border-radius: 999px;
            background: linear-gradient(120deg, var(--teal-700), var(--copper-dark));
            color: #fff;
            text-decoration: none;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            box-shadow: 0 8px 22px rgba(10, 53, 50, 0.18);
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
        }

        .site-button:hover {
            background: linear-gradient(120deg, var(--copper-dark), var(--teal-700));
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(10, 53, 50, 0.3);
        }

        .site-button.ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.65);
            color: #fff;
            box-shadow: none;
        }

        .site-button.ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #fff;
            color: #fff;
        }

        .site-footer {
            background: var(--teal-900);
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 42px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 42px;
        }

        .footer-grid .brand {
            color: #fff;
            font-size: 27px;
        }

        .footer-grid .brand:hover {
            color: var(--copper);
        }

        .footer-brand p {
            margin: 18px 0 22px;
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-social {
            display: flex;
            gap: 8px;
        }

        .footer-social span {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.28);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--copper);
            font-size: 13px;
            font-weight: 600;
            transition: border-color 0.2s, color 0.2s, transform 0.2s;
        }

        .footer-social span:hover {
            transform: translateY(-3px);
            border-color: var(--copper);
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.95);
            margin: 0 0 16px;
            letter-spacing: 0.01em;
        }

        .footer-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-list a {
            color: rgba(255, 255, 255, 0.62);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s, padding-left 0.2s;
        }

        .footer-list a:hover {
            color: var(--copper);
            padding-left: 4px;
        }

        .footer-contact {
            font-size: 15px;
        }

        .footer-contact>a {
            color: #fff;
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            word-break: break-all;
        }

        .footer-contact>a:hover {
            color: var(--copper);
        }

        .contact-address {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.52);
            margin-top: 16px;
            line-height: 1.8;
            max-width: 270px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 22px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: var(--copper);
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: var(--copper);
            text-decoration: underline;
        }

        :focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 3px;
            border-radius: 4px;
        }

        @media (max-width: 1023px) {
            .header-container {
                min-height: 68px;
            }

            .nav-toggle {
                display: block;
                margin-left: auto;
                flex-shrink: 0;
            }

            .header-nav-area {
                position: fixed;
                left: 0;
                right: 0;
                top: 76px;
                bottom: 0;
                flex-direction: column;
                align-items: stretch;
                justify-content: flex-start;
                gap: 0;
                background: var(--canvas);
                padding: 22px 20px 50px;
                overflow-y: auto;
                transform: translateX(100%);
                visibility: hidden;
                opacity: 0;
                box-shadow: 0 20px 44px rgba(10, 53, 50, 0.2);
                transition: transform 0.3s ease, opacity 0.2s ease, visibility 0.3s;
                border-top: 1px solid var(--line);
            }

            .header-nav-area.is-open {
                transform: translateX(0);
                visibility: visible;
                opacity: 1;
            }

            .nav-toggle[aria-expanded="true"] span {
                background: transparent;
            }

            .nav-toggle[aria-expanded="true"] span:before {
                top: 0;
                transform: rotate(45deg);
            }

            .nav-toggle[aria-expanded="true"] span:after {
                top: 0;
                transform: rotate(-45deg);
            }

            .main-nav {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 0;
            }

            .main-nav a {
                font-size: 18px;
                padding: 15px 16px;
                border-radius: 14px;
                width: 100%;
                border-bottom: 1px solid rgba(226, 225, 218, 0.7);
            }

            .main-nav a.is-active:after {
                left: auto;
                right: auto;
                width: 42px;
                bottom: 10px;
                top: auto;
            }

            .header-actions {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                margin-top: 14px;
            }

            .mega-shell {
                width: 100%;
            }

            .mega-trigger {
                font-size: 18px;
                width: 100%;
                padding: 15px 16px;
                border-radius: 14px;
                justify-content: space-between;
            }

            .mega-menu,
            .mega-shell:hover .mega-menu,
            .mega-shell.is-open .mega-menu,
            .mega-shell:focus-within .mega-menu {
                position: static;
                display: none;
                width: 100%;
                transform: none;
                padding-top: 10px;
            }

            .mega-shell.is-open .mega-menu {
                display: block;
            }

            .mega-panel {
                grid-template-columns: 1fr;
                padding: 14px;
                box-shadow: var(--shadow-1);
            }

            .mega-media-col {
                display: none;
            }

            .header-nav-cta {
                width: 100%;
            }

            .article-paper {
                padding: 38px 32px 42px;
            }

            .story-card-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }

        @media (max-width: 899px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 639px) {
            .container {
                width: calc(100% - 32px);
            }

            .article-banner {
                padding: 48px 0 30px;
                min-height: 230px;
            }

            .article-banner .container {
                padding-top: 4px;
            }

            .breadcrumb strong {
                max-width: 200px;
            }

            .article-main-wrap {
                padding-bottom: 48px;
            }

            .article-shell {
                margin-top: -44px;
            }

            .article-paper {
                border-radius: 18px;
                padding: 28px 19px 32px;
                box-shadow: 0 10px 26px rgba(10, 53, 50, 0.07);
            }

            .article-paper h1 {
                font-size: 26px;
                line-height: 1.4;
            }

            .post-meta {
                font-size: 13px;
                gap: 8px 12px;
            }

            .article-body {
                font-size: 16px;
                line-height: 1.8;
            }

            .article-body h2 {
                font-size: 21px;
            }

            .article-body h3 {
                font-size: 18px;
            }

            .article-body blockquote {
                padding: 14px 16px;
            }

            .article-pager {
                grid-template-columns: 1fr;
            }

            .story-card-grid {
                grid-template-columns: 1fr;
            }

            .story-media {
                height: 150px;
            }

            .section-caption {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-zone {
                margin-top: 50px;
                padding: 44px 0;
            }

            .cta-inner h2 {
                font-size: 25px;
            }

            .cta-actions .site-button {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 34px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .header-nav-area {
                top: 68px;
            }

            .breadcrumb {
                font-size: 12px;
            }
        }

        @media (max-width: 360px) {
            .brand {
                font-size: 24px;
            }

            .header-nav-cta {
                font-size: 13px;
            }

            .container {
                width: calc(100% - 24px);
            }

            .article-banner {
                padding-left: 12px;
                padding-right: 12px;
            }

            .article-paper {
                padding: 24px 16px 28px;
            }

            .article-paper h1 {
                font-size: 23px;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #0E4F4A;
      --primary-dark: #0A3532;
      --primary-deep: #072B29;
      --copper: #B68B40;
      --gold: #C89B5E;
      --ink: #263431;
      --text: #36413F;
      --muted: #71807D;
      --bg: #F7F6F2;
      --white: #FFFFFF;
      --line: #E2E1DA;
      --line-soft: #ECE9E2;
      --shadow-sm: 0 6px 16px rgba(10,53,50,0.06);
      --shadow-md: 0 16px 32px rgba(10,53,50,0.12);
      --radius-lg: 18px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --font-stack: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--text);
      font-family: var(--font-stack);
      font-size: 16px;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3, h4, p, ul, ol, figure, blockquote {
      margin: 0;
    }

    ul, ol {
      list-style: none;
      padding: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      display: block;
      max-width: 100%;
      border: 0;
    }

    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
      color: inherit;
    }

    input, select, textarea, button {
      outline: none;
    }

    ::placeholder {
      color: #A5AFAD;
    }

    :focus-visible {
      outline: 2px solid var(--gold);
      outline-offset: 3px;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 22px;
    }

    .section {
      padding: 92px 0;
    }

    .section-white {
      background: #FFFFFF;
    }

    .btn-primary,
    .btn-ghost-light,
    .btn-secondary,
    .btn-text {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      transition: background .25s ease, transform .25s ease, box-shadow .25s ease, color .25s ease, border-color .25s ease;
      cursor: pointer;
      border-radius: 999px;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, #14776E 55%, var(--copper) 130%);
      color: #FFFFFF;
      padding: 13px 30px;
      border: 0;
      box-shadow: 0 8px 18px rgba(14,79,74,0.2);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #0B3D39 0%, #0E4F4A 50%, var(--copper) 130%);
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(14,79,74,0.24);
    }

    .btn-ghost-light {
      border: 1px solid rgba(255,255,255,0.72);
      color: #FFFFFF;
      padding: 12px 30px;
      background: transparent;
    }

    .btn-ghost-light:hover {
      background: rgba(255,255,255,0.14);
      border-color: #FFFFFF;
      transform: translateY(-2px);
    }

    .btn-secondary {
      border: 1px solid var(--primary);
      color: var(--primary);
      padding: 12px 28px;
      background: #FFFFFF;
    }

    .btn-secondary:hover {
      background: #E8F0EC;
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    .btn-text {
      display: inline-flex;
      gap: 6px;
      color: var(--primary);
      font-weight: 600;
      border-radius: 0;
      padding: 6px 2px;
      border-bottom: 2px solid rgba(182,139,64,.45);
    }

    .btn-text i {
      transition: transform .25s ease;
      font-style: normal;
    }

    .btn-text:hover {
      color: #0B3D39;
      border-bottom-color: var(--gold);
    }

    .btn-text:hover i {
      transform: translateX(4px);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--gold);
      font-size: 14px;
      font-weight: 600;
      letter-spacing: .08em;
      margin-bottom: 16px;
      text-transform: uppercase;
    }

    .eyebrow::before {
      content: "";
      width: 28px;
      height: 1px;
      background: var(--gold);
    }

    /* ===== 顶部 Header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 110;
      background: rgba(255,255,255,.97);
      backdrop-filter: blur(12px);
      box-shadow: 0 1px 0 rgba(10,53,50,.06);
    }

    .header-top-strip {
      height: 8px;
      background: linear-gradient(90deg, var(--primary-dark), var(--primary), var(--copper), var(--gold));
    }

    .header-main {
      border-bottom: 1px solid rgba(10,53,50,.08);
    }

    .header-container {
      display: flex;
      align-items: center;
      min-height: 72px;
      justify-content: space-between;
      position: relative;
    }

    .brand {
      font-size: 28px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--primary);
      white-space: nowrap;
    }

    .brand span {
      color: var(--gold);
      font-weight: 700;
    }

    .header-nav-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 2px;
    }

    .main-nav a {
      display: block;
      padding: 13px 18px;
      color: #263A37;
      font-weight: 600;
      border-bottom: 3px solid transparent;
      transition: color .2s ease, border-color .2s ease, transform .2s ease;
      border-radius: 0;
    }

    .main-nav a:hover {
      color: var(--primary);
      transform: translateY(-1px);
    }

    .main-nav a.is-active {
      color: var(--primary);
      border-bottom-color: var(--gold);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .header-nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary) 0%, #14776E 100%);
      color: #FFFFFF;
      font-weight: 600;
      border-radius: 999px;
      padding: 10px 22px;
      height: 42px;
      box-shadow: 0 6px 16px rgba(14,79,74,.16);
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .header-nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(14,79,74,.22);
      background: linear-gradient(135deg, #0B3D39 0%, #0E4F4A 100%);
    }

    .mega-shell {
      position: relative;
      display: flex;
      align-items: center;
    }

    .mega-trigger {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 14px;
      background: transparent;
      border: 0;
      color: #263A37;
      font-weight: 600;
      cursor: pointer;
      transition: color .2s ease;
    }

    .mega-trigger:hover,
    .mega-trigger[aria-expanded="true"] {
      color: var(--primary);
    }

    .mega-trigger .chevron {
      width: 8px;
      height: 8px;
      border-right: 2px solid currentColor;
      border-bottom: 2px solid currentColor;
      transform: rotate(45deg) translateY(-2px);
      transition: transform .25s ease;
    }

    .mega-trigger[aria-expanded="true"] .chevron {
      transform: rotate(225deg) translate(-1px,-2px);
    }

    .mega-menu {
      position: absolute;
      top: calc(100% + 1px);
      right: -76px;
      width: 660px;
      visibility: hidden;
      opacity: 0;
      transform: translateY(8px);
      transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
      z-index: 130;
    }

    .mega-shell:hover .mega-menu,
    .mega-shell:focus-within .mega-menu,
    .mega-menu.is-open {
      visibility: visible;
      opacity: 1;
      transform: translateY(0);
    }

    .mega-panel {
      background: #FFFFFF;
      border-top: 3px solid var(--primary);
      border-radius: 0 0 16px 16px;
      box-shadow: var(--shadow-md);
      padding: 26px 28px 18px;
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 0 32px;
      position: relative;
    }

    .mega-link-line {
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--gold), transparent);
      position: absolute;
      left: 32px;
      right: 32px;
      top: -3px;
    }

    .mega-label {
      font-size: 14px;
      color: var(--muted);
      font-weight: 600;
      letter-spacing: .05em;
      margin-bottom: 14px;
    }

    .mega-list {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .mega-list a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 9px 10px;
      border-radius: 10px;
      color: #2C3936;
      font-size: 14px;
      transition: background .2s ease, color .2s ease;
      font-weight: 500;
    }

    .mega-list a i {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--gold);
      flex: 0 0 auto;
    }

    .mega-list a:hover {
      background: #F6F4EF;
      color: var(--primary);
    }

    .mega-media-col {
      display: flex;
      align-items: center;
    }

    .mega-media {
      position: relative;
      overflow: hidden;
      border-radius: 14px;
      height: 112px;
      width: 100%;
      box-shadow: var(--shadow-sm);
    }

    .mega-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

    .mega-media:hover img {
      transform: scale(1.04);
    }

    .mega-media span {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      padding: 18px 14px 10px;
      color: #FFF;
      font-size: 13px;
      font-weight: 600;
      background: linear-gradient(180deg, transparent, rgba(10,53,50,.85));
    }

    .mega-bottom {
      grid-column: 1 / -1;
      background: #F7F6F2;
      border-radius: 10px;
      padding: 10px 16px;
      margin-top: 16px;
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 13px;
      color: #667774;
    }

    .mega-bottom strong {
      color: var(--primary);
      font-size: 14px;
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      position: relative;
      border: 0;
      background: transparent;
      cursor: pointer;
      margin-left: 8px;
      border-radius: 8px;
    }

    .nav-toggle span,
    .nav-toggle::before,
    .nav-toggle::after {
      content: "";
      position: absolute;
      left: 11px;
      right: 11px;
      height: 2px;
      background: var(--primary);
      border-radius: 3px;
      transition: transform .28s ease, top .28s ease, opacity .2s ease;
    }

    .nav-toggle span {
      top: 21px;
    }

    .nav-toggle::before {
      top: 13px;
    }

    .nav-toggle::after {
      top: 29px;
    }

    .nav-toggle.is-open span {
      opacity: 0;
    }

    .nav-toggle.is-open::before {
      top: 21px;
      transform: rotate(45deg);
    }

    .nav-toggle.is-open::after {
      top: 21px;
      transform: rotate(-45deg);
    }

    /* ===== 页面横幅 ===== */
    .page-banner {
      background:
        linear-gradient(110deg, rgba(7,43,41,.98) 0%, rgba(10,53,50,.92) 42%, rgba(14,79,74,.70) 100%),
        url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
      color: #FFFFFF;
      padding: 84px 0 76px;
      position: relative;
      overflow: hidden;
    }

    .page-banner::after {
      content: "";
      position: absolute;
      width: 340px;
      height: 340px;
      border: 1px solid rgba(200,155,94,.3);
      border-radius: 50%;
      right: -80px;
      top: -120px;
      pointer-events: none;
    }

    .page-banner::before {
      content: "";
      position: absolute;
      width: 220px;
      height: 220px;
      border: 1px dashed rgba(200,155,94,.22);
      border-radius: 50%;
      right: 120px;
      bottom: -160px;
      pointer-events: none;
    }

    .crumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: rgba(255,255,255,.72);
      margin-bottom: 26px;
      position: relative;
      z-index: 2;
    }

    .crumb a {
      color: rgba(255,255,255,.9);
      transition: color .2s ease;
    }

    .crumb a:hover {
      color: var(--gold);
    }

    .crumb i {
      font-style: normal;
      opacity: .65;
    }

    .crumb span {
      color: var(--gold);
      font-weight: 500;
    }

    .page-banner-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) minmax(300px, .6fr);
      gap: 44px;
      align-items: end;
      position: relative;
      z-index: 2;
    }

    .page-kicker {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .08em;
      color: var(--gold);
      margin-bottom: 12px;
    }

    .page-kicker::before {
      content: "";
      width: 34px;
      height: 1px;
      background: var(--gold);
    }

    .page-banner h1 {
      font-size: clamp(34px, 4vw, 48px);
      line-height: 1.2;
      font-weight: 700;
      letter-spacing: -0.02em;
      color: #FFFFFF;
      margin-bottom: 18px;
    }

    .banner-description {
      max-width: 56ch;
      font-size: 17px;
      line-height: 1.8;
      color: rgba(255,255,255,.82);
      margin-bottom: 32px;
    }

    .banner-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .banner-note {
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 18px;
      padding: 24px;
      backdrop-filter: blur(6px);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 8px 20px;
      align-items: center;
      position: relative;
    }

    .banner-note strong {
      font-size: 36px;
      font-weight: 700;
      color: var(--gold);
      letter-spacing: -0.04em;
      line-height: 1;
    }

    .banner-note span {
      color: rgba(255,255,255,.78);
      font-size: 14px;
    }

    .banner-note::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      top: -6px;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--gold), transparent);
      border-radius: 4px;
    }

    /* ===== 图文介绍块 ===== */
    .feature-intro-section {
      background: #FFFFFF;
      padding: 96px 0 90px;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 46%;
      gap: 64px;
      align-items: center;
    }

    .feature-visual {
      position: relative;
      border-radius: 18px;
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .feature-visual::after {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      height: 50%;
      background: linear-gradient(180deg, transparent, rgba(10,53,50,.45));
      pointer-events: none;
    }

    .feature-visual img {
      width: 100%;
      height: 100%;
      min-height: 320px;
      object-fit: cover;
      transition: transform .5s ease;
    }

    .feature-visual:hover img {
      transform: scale(1.04);
    }

    .feature-badge {
      position: absolute;
      left: 18px;
      bottom: 16px;
      background: rgba(255,255,255,.92);
      padding: 8px 16px;
      border-radius: 999px;
      font-size: 13px;
      color: var(--primary);
      z-index: 2;
      font-weight: 600;
    }

    .feature-copy h2 {
      font-size: clamp(28px, 2.6vw, 36px);
      line-height: 1.35;
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 18px;
      letter-spacing: -0.02em;
    }

    .feature-copy p + p {
      margin-top: 18px;
    }

    .feature-copy .intro-para {
      color: #43534F;
      font-size: 16px;
    }

    .feature-copy strong {
      color: var(--primary);
      font-weight: 600;
    }

    .check-list {
      margin-top: 28px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px 20px;
    }

    .check-list li {
      position: relative;
      padding-left: 26px;
      font-size: 15px;
      color: #3A4B47;
      line-height: 1.6;
    }

    .check-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 6px;
      width: 17px;
      height: 17px;
      border: 1.5px solid var(--gold);
      border-radius: 50%;
      background-image: radial-gradient(circle at center, var(--gold) 0 4px, transparent 5px);
    }

    .intro-secondary {
      margin-top: 30px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 16px 18px;
      border-left: 3px solid var(--copper);
      background: #F8F6F0;
      border-radius: 0 12px 12px 0;
      font-size: 15px;
      color: #50625E;
      max-width: 52ch;
    }

    .intro-secondary i {
      font-style: normal;
    }

    /* ===== 分类内容区 ===== */
    .service-block {
      background: var(--bg);
      padding: 84px 0 96px;
    }

    .split-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 368px;
      gap: 52px;
      align-items: start;
    }

    .cat-main {
      min-width: 0;
    }

    .cat-main .section-title {
      font-size: clamp(26px, 2.4vw, 34px);
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 14px;
      letter-spacing: -0.02em;
    }

    .cat-main .section-lead {
      color: #55635F;
      max-width: 60ch;
      margin-bottom: 38px;
      font-size: 16px;
    }

    .cap-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px 22px;
    }

    .cap-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      background: #FFFFFF;
      border: 1px solid var(--line-soft);
      border-radius: 16px;
      padding: 22px 20px;
      box-shadow: var(--shadow-sm);
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .cap-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: rgba(200,155,94,.4);
    }

    .cap-index {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      border: 1px solid rgba(14,79,74,.22);
      color: var(--primary);
      font-size: 14px;
      font-weight: 700;
      background: #F0F5F2;
    }

    .cap-content h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 6px;
    }

    .cap-content p {
      font-size: 14px;
      line-height: 1.65;
      color: #6A7874;
    }

    .media-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--ink);
      margin: 52px 0 6px;
    }

    .media-sub {
      font-size: 14px;
      color: var(--muted);
      margin-bottom: 20px;
    }

    .media-strip {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .media-tile {
      background: #FFFFFF;
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--line-soft);
      box-shadow: var(--shadow-sm);
      transition: transform .25s ease, box-shadow .25s ease;
    }

    .media-tile:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .media-thumb {
      overflow: hidden;
      height: 146px;
    }

    .media-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

    .media-tile:hover .media-thumb img {
      transform: scale(1.05);
    }

    .media-info {
      padding: 15px 16px 17px;
    }

    .media-info h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 5px;
    }

    .media-info p {
      font-size: 13px;
      color: #76837F;
      line-height: 1.6;
    }

    /* ===== 侧边栏 ===== */
    .cat-aside {
      position: sticky;
      top: 100px;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .aside-card {
      background: #FFFFFF;
      border-radius: 18px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--line-soft);
      padding: 26px 24px;
    }

    .aside-card-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .aside-card-title::before {
      content: "";
      width: 6px;
      height: 18px;
      background: linear-gradient(180deg, var(--primary), var(--gold));
      border-radius: 999px;
    }

    .risk-list {
      margin-top: 20px;
      display: grid;
      gap: 2px;
    }

    .risk-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 9px 2px;
      border-bottom: 1px dashed var(--line-soft);
      font-size: 14px;
      color: #43524E;
      line-height: 1.5;
    }

    .risk-list li:last-child {
      border-bottom: 0;
    }

    .risk-list em {
      font-style: normal;
      font-weight: 700;
      color: var(--gold);
      font-size: 13px;
      min-width: 26px;
    }

    .form-card {
      background:
        linear-gradient(150deg, rgba(10,53,50,.98) 0%, rgba(14,79,74,.95) 62%, rgba(182,139,64,.6) 100%),
        url("/assets/images/backpic/back-1.png") center / cover no-repeat;
      color: #FFF;
      border: 0;
    }

    .form-card .aside-card-title {
      color: #FFF;
    }

    .form-card .aside-card-title::before {
      background: linear-gradient(180deg, var(--gold), #DFC39A);
    }

    .form-note {
      font-size: 13px;
      color: rgba(255,255,255,.7);
      margin: 8px 0 22px;
    }

    .field-group {
      margin-bottom: 14px;
    }

    .field-group label {
      display: block;
      font-size: 13px;
      color: rgba(255,255,255,.78);
      margin-bottom: 6px;
    }

    .field-group input,
    .field-group textarea,
    .field-group select {
      width: 100%;
      border: 1px solid rgba(255,255,255,.24);
      background: rgba(255,255,255,.14);
      color: #FFF;
      border-radius: 10px;
      padding: 11px 14px;
      font-size: 15px;
      transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
      min-height: 50px;
      height: auto;
    }

    .field-group textarea {
      min-height: 108px;
      resize: vertical;
    }

    .field-group input::placeholder,
    .field-group textarea::placeholder {
      color: rgba(255,255,255,.45);
    }

    .field-group input:focus,
    .field-group textarea:focus {
      border-color: var(--gold);
      background: rgba(255,255,255,.2);
      box-shadow: 0 0 0 3px rgba(200,155,94,.16);
    }

    .submit-btn {
      width: 100%;
      border: 0;
      background: linear-gradient(135deg, var(--gold) 0%, #B68B40 100%);
      color: #FFFFFF;
      font-weight: 700;
      padding: 13px 20px;
      border-radius: 999px;
      cursor: pointer;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
      box-shadow: 0 6px 18px rgba(0,0,0,.2);
      margin-top: 4px;
    }

    .submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(0,0,0,.25);
      background: linear-gradient(135deg, #B68B40 0%, #A87B35 100%);
    }

    .privacy-tip {
      margin-top: 10px;
      font-size: 12px;
      text-align: center;
      color: rgba(255,255,255,.5);
    }

    .privacy-tip a {
      color: rgba(255,255,255,.75);
      text-decoration: underline;
      text-underline-offset: 3px;
    }

    /* ===== 深色流程区 ===== */
    .process-section {
      background:
        radial-gradient(circle at 88% 12%, rgba(200,155,94,.16), transparent 340px),
        linear-gradient(140deg, #072B29 0%, #0A3532 55%, #0E4F4A 100%);
      color: #FFFFFF;
      padding: 104px 0;
      overflow: hidden;
    }

    .section-head {
      max-width: 660px;
      margin-bottom: 58px;
    }

    .section-head .eyebrow {
      color: var(--gold);
    }

    .section-head h2 {
      font-size: clamp(28px, 3vw, 38px);
      line-height: 1.32;
      font-weight: 700;
      color: #FFFFFF;
      letter-spacing: -0.02em;
      margin-top: 6px;
    }

    .section-head p {
      margin-top: 12px;
      color: rgba(255,255,255,.65);
      font-size: 15px;
      max-width: 58ch;
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 14px;
      position: relative;
    }

    .process-grid::before {
      content: "";
      position: absolute;
      top: 27px;
      left: 8%;
      right: 8%;
      height: 2px;
      background: linear-gradient(90deg, rgba(255,255,255,.08), rgba(200,155,94,.5), rgba(255,255,255,.06));
      z-index: 0;
    }

    .process-card {
      position: relative;
      z-index: 2;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 18px;
      padding: 30px 20px 24px;
      backdrop-filter: blur(4px);
      transition: transform .25s ease, background .25s ease, border-color .25s ease;
    }

    .process-card:hover {
      transform: translateY(-5px);
      background: rgba(255,255,255,.13);
      border-color: rgba(200,155,94,.4);
    }

    .process-num {
      width: 44px;
      height: 32px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 800;
      color: var(--gold);
      border-radius: 8px;
      background: rgba(200,155,94,.14);
      margin-bottom: 16px;
    }

    .process-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 8px;
    }

    .process-card p {
      font-size: 14px;
      line-height: 1.7;
      color: rgba(255,255,255,.68);
    }

    .process-desc {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 14px;
      margin-top: 10px;
    }

    .process-footnote {
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.12);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      color: rgba(255,255,255,.72);
      font-size: 15px;
      max-width: 760px;
    }

    .process-footnote a {
      color: var(--gold);
      font-weight: 600;
    }

    .process-footnote a:hover {
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    /* ===== FAQ 区 ===== */
    .faq-section {
      background: #FFFFFF;
      padding: 104px 0 92px;
    }

    .faq-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 30px;
      margin-bottom: 44px;
    }

    .faq-head .eyebrow {
      margin-bottom: 10px;
    }

    .faq-head h2 {
      font-size: clamp(28px, 2.8vw, 36px);
      line-height: 1.32;
      font-weight: 700;
      color: var(--ink);
      max-width: 18ch;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
    }

    .faq-card {
      background: var(--bg);
      border: 1px solid var(--line-soft);
      border-radius: 18px;
      padding: 28px 28px 24px;
      position: relative;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .faq-card::before {
      content: "";
      position: absolute;
      left: 0;
      top: 22px;
      bottom: 22px;
      width: 3px;
      background: var(--primary);
      border-radius: 0 4px 4px 0;
      opacity: .6;
    }

    .faq-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: rgba(200,155,94,.35);
    }

    .faq-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 12px;
      padding-right: 16px;
      line-height: 1.55;
    }

    .faq-card p {
      color: #576662;
      font-size: 15px;
      line-height: 1.8;
    }

    /* ===== CTA 区 ===== */
    .cta-section {
      background: var(--bg);
      padding: 72px 0;
    }

    .cta-panel {
      background:
        linear-gradient(105deg, rgba(7,43,41,.95) 0%, rgba(14,79,74,.88) 55%, rgba(182,139,64,.48) 100%),
        url("/assets/images/backpic/back-3.webp") center / cover no-repeat;
      border-radius: 24px;
      padding: 58px 54px;
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      width: 240px;
      height: 240px;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 50%;
      top: -110px;
      right: 80px;
    }

    .cta-copy {
      position: relative;
      z-index: 2;
    }

    .cta-copy .cta-label {
      color: var(--gold);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .1em;
      text-transform: uppercase;
    }

    .cta-copy h2 {
      font-size: clamp(26px, 3vw, 36px);
      line-height: 1.3;
      font-weight: 700;
      margin-top: 10px;
      margin-bottom: 14px;
    }

    .cta-copy p {
      color: rgba(255,255,255,.74);
      font-size: 16px;
      max-width: 54ch;
    }

    .cta-actions {
      position: relative;
      z-index: 2;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 14px;
    }

    .cta-actions .btn-primary {
      background: linear-gradient(135deg, var(--copper) 0%, var(--gold) 100%);
      padding: 14px 36px;
      box-shadow: 0 10px 22px rgba(0,0,0,.22);
    }

    .cta-actions .btn-primary:hover {
      background: linear-gradient(135deg, var(--gold) 0%, #D9AD77 100%);
    }

    .cta-actions .action-tip {
      font-size: 13px;
      color: rgba(255,255,255,.68);
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: #0A332F;
      color: rgba(255,255,255,.72);
      padding-top: 68px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 0.8fr 0.9fr 1.2fr;
      gap: 46px;
      padding-bottom: 44px;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }

    .footer-brand .brand {
      color: #FFFFFF;
      font-size: 30px;
      margin-bottom: 16px;
      display: inline-block;
    }

    .footer-brand .brand span {
      color: var(--gold);
    }

    .footer-brand p {
      color: rgba(255,255,255,.62);
      font-size: 15px;
      line-height: 1.8;
      max-width: 38ch;
      margin: 14px 0 24px;
    }

    .footer-social {
      display: inline-flex;
      gap: 8px;
    }

    .footer-social span {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(255,255,255,.2);
      color: rgba(255,255,255,.6);
      font-size: 12px;
      border-radius: 10px;
      background: rgba(255,255,255,.04);
      transition: background .2s ease, border-color .2s ease, color .2s ease;
    }

    .footer-social span:hover {
      border-color: var(--gold);
      color: var(--gold);
      background: rgba(200,155,94,.08);
    }

    .footer-title {
      color: #FFFFFF;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 18px;
      letter-spacing: .02em;
    }

    .footer-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-list a {
      color: rgba(255,255,255,.62);
      font-size: 14px;
      transition: color .2s ease, transform .2s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .footer-list a::before {
      content: "·";
      color: var(--gold);
      font-weight: 700;
      font-size: 18px;
    }

    .footer-list a:hover {
      color: #FFFFFF;
      transform: translateX(3px);
    }

    .footer-contact a {
      color: rgba(255,255,255,.82);
      display: inline-block;
      font-size: 15px;
      margin-bottom: 14px;
      word-break: break-all;
    }

    .footer-contact a:hover {
      color: var(--gold);
    }

    .contact-address {
      color: rgba(255,255,255,.48);
      font-size: 14px;
      line-height: 1.8;
      margin-top: 12px;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      padding: 24px 0;
      font-size: 13px;
      color: rgba(255,255,255,.4);
    }

    .footer-bottom a {
      color: rgba(255,255,255,.6);
    }

    .footer-bottom a:hover {
      color: var(--gold);
    }

    /* ===== 滚动条 ===== */
    ::-webkit-scrollbar {
      width: 9px;
      height: 9px;
    }

    ::-webkit-scrollbar-track {
      background: #ECE9E1;
    }

    ::-webkit-scrollbar-thumb {
      background: #8BA8A3;
      border-radius: 999px;
      border: 2px solid #ECE9E1;
    }

    ::-webkit-scrollbar-thumb:hover {
      background: var(--primary);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1023px) {
      .section {
        padding: 72px 0;
      }

      .feature-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .split-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .cat-aside {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px 18px;
      }

      .process-grid {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
      }

      .process-grid::before {
        display: none;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
      }

      .page-banner-grid {
        grid-template-columns: 1fr;
      }

      .banner-note {
        max-width: 520px;
      }

      .media-strip {
        grid-template-columns: repeat(2, 1fr);
      }

      .faq-grid {
        grid-template-columns: 1fr;
      }

      .faq-head {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 900px) {
      .header-container {
        min-height: 70px;
        flex-wrap: wrap;
        align-items: center;
      }

      .header-nav-area {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        box-shadow: 0 16px 30px rgba(10,53,50,.12);
        border-top: 1px solid var(--line-soft);
        padding: 0 22px;
        height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        transition: visibility .2s ease, opacity .2s ease, height .25s ease, padding .25s ease;
      }

      .header-nav-area.open {
        height: auto;
        max-height: 540px;
        overflow: auto;
        opacity: 1;
        visibility: visible;
        padding-top: 14px;
        padding-bottom: 18px;
      }

      .main-nav {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 2px;
      }

      .main-nav a {
        padding: 13px 4px;
        border-bottom: 1px solid var(--line-soft);
        border-left: 3px solid transparent;
      }

      .main-nav a.is-active {
        border-bottom-color: var(--line-soft);
        border-left-color: var(--gold);
      }

      .header-actions {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 12px;
        margin-top: 10px;
      }

      .header-nav-cta {
        height: 46px;
        width: 100%;
      }

      .mega-shell {
        width: 100%;
        display: block;
      }

      .mega-trigger {
        display: flex;
        justify-content: space-between;
        width: 100%;
        padding: 12px 2px;
      }

      .mega-menu {
        position: static;
        width: 100%;
        visibility: hidden;
        opacity: 0;
        max-height: 0;
        overflow: hidden;
        transform: none;
        transition: opacity .2s ease;
      }

      .mega-menu.is-open {
        visibility: visible;
        opacity: 1;
        max-height: none;
        margin-top: 8px;
      }

      .mega-panel {
        grid-template-columns: 1fr;
        gap: 14px;
        border-radius: 14px;
        padding: 22px 18px 12px;
        box-shadow: none;
        border: 1px solid var(--line-soft);
        border-top: 3px solid var(--primary);
      }

      .mega-media-col {
        display: none;
      }

      .mega-bottom {
        width: 100%;
        border-radius: 10px;
      }

      .nav-toggle {
        display: inline-flex;
      }
    }

    @media (max-width: 767px) {
      .page-banner {
        padding: 56px 0 54px;
      }

      .page-banner h1 {
        font-size: 34px;
      }

      .banner-actions,
      .cta-panel {
        flex-direction: column;
      }

      .cap-grid {
        grid-template-columns: 1fr;
      }

      .media-strip {
        grid-template-columns: 1fr;
      }

      .cat-aside {
        grid-template-columns: 1fr;
      }

      .cta-panel {
        padding: 38px 24px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }

      .faq-card {
        padding: 22px 18px;
      }

      .process-card {
        padding: 24px 18px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

      .section {
        padding: 56px 0;
      }

      .feature-copy .check-list {
        grid-template-columns: 1fr;
      }

      .feature-grid {
        gap: 28px;
      }

      .feature-visual img {
        min-height: 240px;
      }

      .page-banner-grid {
        gap: 30px;
      }

      .banner-actions .btn-primary,
      .banner-actions .btn-ghost-light,
      .cta-actions .btn-primary {
        width: 100%;
      }

      .split-grid {
        gap: 26px;
      }

      .process-grid {
        grid-template-columns: 1fr;
      }

      .faq-head .btn-text {
        align-self: flex-start;
      }

      .footer-bottom {
        gap: 6px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        transition: none !important;
        animation: none !important;
      }
    }