/* roulang page: index */
:root{
  --bs-primary:#12B7A2;
  --bs-primary-rgb:18,183,162;
  --bs-body-bg:#F6F8F7;
  --bs-body-color:#16232B;
  --bs-border-radius:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --brand:#12B7A2;
  --brand-dark:#0A8A79;
  --brand-light:#E6F7F4;
  --amber:#F2A93B;
  --amber-deep:#E09A2C;
  --amber-light:#FFE9C2;
  --ink:#0B1A21;
  --text:#16232B;
  --muted:#5B6B72;
  --weak:#8A979D;
  --line:#E4EAE8;
  --line-soft:#EEF2F1;
  --bg:#F6F8F7;
  --card:#FFFFFF;
  --r-card:16px;
  --r-block:20px;
  --r-btn:10px;
  --r-img:12px;
  --shadow:0 1px 2px rgba(11,26,33,.04),0 10px 28px -16px rgba(11,26,33,.14);
  --shadow-hover:0 2px 4px rgba(11,26,33,.06),0 18px 40px -18px rgba(11,26,33,.22);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.9;color:var(--text);background:var(--bg);
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-dark);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
@media(min-width:1200px){.container{max-width:1200px;padding-left:32px;padding-right:32px}}
@media(max-width:575.98px){.container{padding-left:20px;padding-right:20px}}
.section{padding:88px 0}
.section-sm{padding:64px 0}
@media(max-width:991.98px){.section{padding:64px 0}.section-sm{padding:48px 0}}
@media(max-width:575.98px){.section{padding:52px 0}.section-sm{padding:40px 0}}
.bg-white-block{background:#fff}
.bg-soft-block{background:var(--bg)}
.bg-dark-block{background:var(--ink);color:#D5E0E2}
.rule-top{border-top:1px solid var(--line-soft)}
.accent-bar{width:44px;height:3px;background:var(--brand);border-radius:2px}
.dark-accent-top{position:relative}
.dark-accent-top::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{font-weight:600;font-size:15px;padding:12px 24px;border-radius:var(--r-btn);border:0;line-height:1.4;transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:none}
.btn-amber{background:var(--amber);color:var(--ink)}
.btn-amber:hover{background:var(--amber-deep);color:var(--ink);transform:translateY(-1px)}
.btn-amber:active{transform:translateY(0)}
.btn-line{background:transparent;border:1.5px solid var(--brand);color:var(--brand-dark)}
.btn-line:hover{background:var(--brand-light);border-color:var(--brand-dark);color:var(--brand-dark)}
.btn-line-light{background:transparent;border:1px solid rgba(255,255,255,.28);color:#fff}
.btn-line-light:hover{background:transparent;border-color:var(--brand);color:#fff}
.btn-ghost{background:none;padding:8px 0;color:var(--brand-dark);min-height:auto}
.btn-ghost i{transition:transform var(--ease)}
.btn-ghost:hover{color:var(--brand)}
.btn-ghost:hover i{transform:translateX(3px)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
.btn-lg{padding:14px 30px;font-size:16px}
.btn:disabled,.btn.disabled{opacity:.5;pointer-events:none}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--ink);transition:box-shadow var(--ease)}
.site-header.is-stuck{box-shadow:0 12px 30px -18px rgba(0,0,0,.9);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-shell{display:flex;align-items:center;gap:28px;height:64px;padding:0;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,var(--brand),var(--brand-dark));display:grid;place-items:center;color:#fff;font-size:15px;box-shadow:0 6px 16px -8px rgba(18,183,162,.9)}
.brand-text{color:#fff;font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.brand-accent{color:var(--brand)}
.nav-links{display:flex;align-items:center;gap:26px;margin:0;padding:0;list-style:none}
.nav-link{position:relative;display:inline-block;color:#C9D6D8;font-size:15px;padding:6px 0 !important;background:none !important;transition:color var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--brand);transition:width var(--ease)}
.nav-link:hover{color:#fff}
.nav-link:hover::after{width:100%}
.nav-link.active{color:#fff}
.nav-link.active::after{width:100%}
.nav-side{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto}
.nav-search{width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:#C9D6D8;display:grid;place-items:center;transition:all var(--ease)}
.nav-search:hover{color:#fff;border-color:var(--brand);background:rgba(18,183,162,.12)}
.navbar-toggler{border:0;padding:0;width:44px;height:44px;display:none;align-items:center;justify-content:center;background:none;box-shadow:none !important}
.navbar-toggler:focus{outline:2px solid var(--brand);outline-offset:2px}
.toggler-bars{display:block;width:22px;height:2px;background:var(--brand);position:relative}
.toggler-bars::before,.toggler-bars::after{content:"";position:absolute;left:0;width:22px;height:2px;background:var(--brand)}
.toggler-bars::before{top:-7px}
.toggler-bars::after{top:7px}
@media(max-width:991.98px){
  .navbar-toggler{display:flex}
  .nav-shell{height:56px;gap:12px}
  .nav-collapse{position:absolute;left:0;right:0;top:56px;background:var(--ink);border-top:1px solid rgba(255,255,255,.08);padding:16px 20px 24px;display:none}
  .nav-collapse.show{display:block}
  .nav-links{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{display:flex;align-items:center;min-height:48px;font-size:16px}
  .nav-link::after{bottom:6px}
  .nav-side{margin-left:0;padding-top:14px;justify-content:space-between;border-top:1px solid rgba(255,255,255,.08);margin-top:8px}
}

/* ---------- Hero ---------- */
.hero{background:var(--ink);color:#fff;padding:56px 0 80px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(18,183,162,.20),transparent 68%);pointer-events:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--brand);background:rgba(18,183,162,.12);border:1px solid rgba(18,183,162,.32);border-radius:999px;padding:5px 14px;margin-bottom:22px}
.hero h1{font-size:clamp(28px,4.4vw,48px);line-height:1.25;font-weight:700;color:#fff;margin-bottom:18px}
.hero-sub{font-size:17px;color:#C9D6D8;max-width:34em;margin-bottom:20px;line-height:1.8}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:28px;font-size:14px;color:#9FB0B3;font-variant-numeric:tabular-nums}
.hero-points li{position:relative;padding-left:16px}
.hero-points li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:50%;background:var(--brand)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.1)}
.hero-stats .stat-num{font-size:28px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2;display:block}
.hero-stats .stat-label{font-size:13px;color:#8A979D;line-height:1.5;display:block;margin-top:4px}
.hero-visual{position:relative;border-radius:var(--r-block);overflow:hidden;border:1px solid rgba(255,255,255,.12);min-height:100%;background:linear-gradient(160deg,#12313A,#0B1A21)}
.hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-block);min-height:380px}
.float-card{position:absolute;right:16px;bottom:16px;background:#fff;border-radius:var(--r-card);padding:14px 16px;box-shadow:var(--shadow-hover);max-width:250px}
.float-card .tag{margin-bottom:8px}
.float-card p{font-size:13px;color:var(--muted);line-height:1.6;margin:0}
.float-card strong{display:block;font-size:15px;color:var(--text);margin-bottom:6px}
@media(max-width:991.98px){
  .hero{padding:40px 0 56px}
  .hero-visual{margin-top:28px;max-height:320px}
  .hero-visual img{min-height:0;height:320px}
  .hero-stats{gap:24px}
}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-block;font-size:13px;line-height:1.5;padding:3px 12px;border-radius:999px;background:var(--brand-light);color:var(--brand-dark);white-space:nowrap}
.tag-amber{background:var(--amber-light);color:#8A5A0B}
.tag-muted{background:var(--line-soft);color:var(--weak)}
.tag-line{border:1px solid var(--line);background:#fff;color:var(--muted)}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:600}
.sec-head .sec-desc{font-size:14px;color:var(--muted);margin-top:8px;margin-bottom:0;max-width:46em}
.sec-link{font-size:14px;color:var(--brand-dark);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;font-weight:600}
.sec-link i{transition:transform var(--ease)}
.sec-link:hover i{transform:translateX(3px)}
@media(max-width:575.98px){.sec-head{margin-bottom:26px}}

/* ---------- 概览 01-04 ---------- */
.ov-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.ov-item{padding:34px 28px;border-left:1px solid var(--line-soft)}
.ov-item:first-child{border-left:0}
.ov-num{font-size:32px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1;display:block;margin-bottom:16px}
.ov-item h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:10px}
.ov-item p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}
@media(max-width:991.98px){.ov-grid{grid-template-columns:repeat(2,1fr)}.ov-item:nth-child(3){border-left:0}}
@media(max-width:575.98px){
  .ov-grid{grid-template-columns:1fr}
  .ov-item{border-left:0;border-top:1px solid var(--line-soft);padding:26px 4px}
  .ov-item:first-child{border-top:0}
}

/* ---------- 时间线 ---------- */
.tl-day{margin-bottom:38px}
.tl-day:last-child{margin-bottom:0}
.tl-day-title{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:600;padding:8px 16px;background:var(--brand-light);border-left:3px solid var(--brand);border-radius:0 8px 8px 0;margin-bottom:24px;color:var(--brand-dark)}
.tl-item{display:grid;grid-template-columns:88px 24px minmax(0,1fr);gap:0 16px;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-time{padding-top:1px;font-weight:700;color:var(--brand-dark);font-variant-numeric:tabular-nums;font-size:15px}
.tl-rail{position:relative}
.tl-rail::before{content:"";position:absolute;left:11px;top:16px;bottom:-28px;width:2px;background:var(--line-soft)}
.tl-item:last-child .tl-rail::before{display:none}
.tl-dot{position:relative;z-index:1;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--brand);margin-top:7px}
.tl-dot.hot{background:var(--amber);border-color:var(--amber);box-shadow:0 0 0 6px rgba(242,169,59,.2)}
.tl-title{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px}
.tl-desc{font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:10px}
@media(max-width:575.98px){
  .tl-item{grid-template-columns:64px 18px minmax(0,1fr);gap:0 10px}
  .tl-rail::before{left:8px}
}

/* ---------- 卡片 ---------- */
.card-base{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease)}
.card-base:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:var(--r-img) var(--r-img) 0 0;background:#E9EFEE}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.card-base:hover .thumb img{transform:scale(1.03)}
.thumb::after{content:"";position:absolute;left:0;right:0;bottom:0;height:24%;background:linear-gradient(to top,rgba(11,26,33,.35),transparent);pointer-events:none}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45}
.card-excerpt{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--weak);padding-top:12px;border-top:1px solid var(--line-soft);font-variant-numeric:tabular-nums}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--weak)}
.card-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 参与方案 ---------- */
.plan-headnote{font-size:14px;color:var(--muted);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);padding:30px 26px;height:100%;display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);position:relative}
.plan-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.plan-card.is-recommend{border:1.5px solid var(--amber);transform:translateY(-12px)}
.plan-card.is-recommend:hover{transform:translateY(-15px)}
.plan-badge{position:absolute;top:-13px;right:20px;background:var(--amber);color:var(--ink);font-size:13px;font-weight:600;padding:4px 14px;border-radius:999px}
.plan-name{font-size:20px;font-weight:600;margin-bottom:6px}
.plan-price{font-size:30px;font-weight:700;color:var(--brand-dark);font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:6px}
.plan-price small{font-size:14px;font-weight:400;color:var(--weak);margin-left:6px}
.plan-note{font-size:14px;color:var(--muted);margin-bottom:22px}
.plan-list{display:flex;flex-direction:column;gap:12px;margin-bottom:26px}
.plan-list li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:var(--text)}
.plan-list li i{color:var(--brand);font-size:14px;margin-top:6px;flex:0 0 auto}
.plan-list li.off{color:var(--weak)}
.plan-list li.off i{color:var(--weak)}
.plan-card .btn{margin-top:auto;width:100%}
@media(max-width:991.98px){
  .plan-card.is-recommend{transform:none}
  .plan-card.is-recommend:hover{transform:translateY(-3px)}
}

/* ---------- 报名 CTA ---------- */
.signup{background:var(--ink);color:#D5E0E2;position:relative}
.signup::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand)}
.signup h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:600;margin-bottom:16px}
.signup p{color:#9FB0B3;font-size:15px;line-height:1.85}
.signup-list{display:flex;flex-direction:column;gap:14px;margin:26px 0 0}
.signup-list li{display:flex;gap:12px;font-size:15px;line-height:1.7;color:#C9D6D8}
.signup-list li i{color:var(--brand);margin-top:6px;flex:0 0 auto}
.signup-form{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-block);padding:28px;max-width:480px;margin-left:auto}
.signup-form .form-label{color:#fff;font-size:14px;font-weight:600;margin-bottom:8px}
.signup-form .req{color:var(--amber)}
.signup-form .form-hint{font-size:13px;color:#8A979D;line-height:1.6;margin-top:14px}
@media(max-width:991.98px){.signup-form{margin:32px auto 0}}

/* ---------- 表单控件 ---------- */
.form-control,.form-select{height:48px;border:1px solid var(--line);border-radius:var(--r-btn);background:#FBFCFC;font-size:15px;color:var(--text);padding:10px 14px;transition:border-color var(--ease),box-shadow var(--ease)}
.form-control::placeholder{color:var(--weak)}
.form-control:focus,.form-select:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(18,183,162,.15);color:var(--text)}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235B6B72' d='M1.4 0 6 4.6 10.6 0 12 1.4 6 7.4 0 1.4z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
textarea.form-control{height:auto;min-height:96px;resize:vertical}
.signup-form .form-control,.signup-form .form-select{background:#fff;border-color:rgba(255,255,255,.16)}
.form-err{font-size:13px;color:#C24A3B;margin-top:6px;display:none}
.field-invalid .form-err{display:block}
.field-invalid .form-control,.field-invalid .form-select{border-color:#C24A3B}

/* ---------- 内容列表（CMS） ---------- */
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);height:100%;overflow:hidden;transition:transform var(--ease),box-shadow var(--ease)}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.info-card .thumb{border-radius:0}
.info-card .ic-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;height:calc(100% - 0px)}
.info-card h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-card:hover h3{color:var(--brand-dark)}
.info-card .ic-excerpt{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.info-wide{display:flex;flex-direction:row;height:100%}
.info-wide .thumb{flex:0 0 42%;aspect-ratio:auto;height:100%;border-radius:0;min-height:220px}
.info-wide .ic-body{flex:1 1 auto;padding:24px 26px;display:flex;flex-direction:column;gap:12px}
.info-wide h3{font-size:20px;-webkit-line-clamp:2}
.info-wide .ic-excerpt{-webkit-line-clamp:3;font-size:15px}
@media(max-width:767.98px){
  .info-wide{flex-direction:column}
  .info-wide .thumb{flex:none;width:100%;aspect-ratio:16/9;height:auto;min-height:0}
}
.empty-state{text-align:center;padding:60px 20px;border:1px dashed var(--line);border-radius:var(--r-block);background:#fff}
.empty-state i{font-size:34px;color:var(--brand);opacity:.7}
.empty-state p{font-size:15px;color:var(--muted);margin:14px 0 20px}

/* ---------- FAQ ---------- */
.faq .accordion-item{border:1px solid var(--line);border-radius:14px;margin-bottom:14px;background:#fff;overflow:hidden;box-shadow:var(--shadow)}
.faq .accordion-button{background:#fff;color:var(--text);font-size:17px;font-weight:600;line-height:1.5;padding:20px 22px;box-shadow:none !important;display:flex;align-items:center;gap:16px}
.faq .accordion-button:not(.collapsed){color:var(--brand-dark);background:#fff;box-shadow:inset 3px 0 0 var(--brand) !important}
.faq .accordion-button::after{display:none}
.faq .accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:-4px}
.acc-sign{margin-left:auto;flex:0 0 14px;width:14px;height:14px;position:relative}
.acc-sign::before,.acc-sign::after{content:"";position:absolute;background:var(--brand);transition:transform var(--ease),opacity var(--ease)}
.acc-sign::before{left:0;top:6px;width:14px;height:2px}
.acc-sign::after{left:6px;top:0;width:2px;height:14px}
.faq .accordion-button:not(.collapsed) .acc-sign::after{transform:rotate(90deg);opacity:0}
.faq .accordion-body{padding:0 22px 22px;font-size:16px;line-height:1.9;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#9FB0B3;padding:68px 0 0;margin-top:0}
.site-footer h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px;font-size:14px}
.footer-brand span{color:#fff;font-weight:700;font-size:16px}
.site-footer p{font-size:14px;line-height:1.85;color:#8A979D}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:#9FB0B3;font-size:14px}
.footer-links a:hover{color:var(--brand)}
.footer-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:#9FB0B3}
.footer-contact i{color:var(--brand);width:16px;margin-right:8px}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7A8B8F}
@media(max-width:767.98px){.site-footer{padding-top:48px}.footer-bottom{margin-top:36px}}

/* roulang page: article */
:root{
  --primary:#12B7A2;
  --primary-dark:#0A8A79;
  --primary-light:#E6F7F4;
  --amber:#F2A93B;
  --amber-hover:#E09A2C;
  --amber-light:#FFE9C2;
  --deep:#0B1A21;
  --ink:#16232B;
  --muted:#5B6B72;
  --weak:#8A979D;
  --border:#E4EAE8;
  --line:#EEF2F1;
  --page:#F6F8F7;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-block:20px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-rest:0 1px 2px rgba(11,26,33,.04),0 10px 28px -16px rgba(11,26,33,.14);
  --shadow-hover:0 2px 4px rgba(11,26,33,.06),0 18px 40px -18px rgba(11,26,33,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#12B7A2;
  --bs-body-bg:#F6F8F7;
  --bs-body-color:#16232B;
  --bs-border-radius:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--ink);
  background:var(--page);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary-dark);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
@media (max-width:1199.98px){.container{padding-left:24px;padding-right:24px}}
@media (max-width:575.98px){.container{padding-left:20px;padding-right:20px}}

/* ---------- 导航 ---------- */
.site-header{
  background:var(--deep);
  position:sticky;
  top:0;
  z-index:1030;
  transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 10px 30px -18px rgba(0,0,0,.7)}
.nav-shell{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;letter-spacing:.01em;flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(140deg,rgba(18,183,162,.9),rgba(10,138,121,.95));
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:14px;
}
.brand-accent{color:var(--primary);margin-left:2px}
.nav-collapse{display:flex;align-items:center;justify-content:space-between;flex:1;gap:24px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:12px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  color:#C9D6D8;font-size:15px;border-radius:8px;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);border-radius:2px;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff}
.nav-link.active::after{transform:scaleX(1)}
.nav-side{display:flex;align-items:center;gap:12px}
.nav-search{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  background:transparent;color:#C9D6D8;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s var(--ease);
}
.nav-search:hover{color:#fff;border-color:var(--primary)}
.navbar-toggler{
  display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;
  align-items:center;justify-content:center;padding:0;
}
.toggler-bars{position:relative;display:block;width:22px;height:2px;background:var(--primary);border-radius:2px}
.toggler-bars::before,.toggler-bars::after{
  content:"";position:absolute;left:0;width:22px;height:2px;background:var(--primary);border-radius:2px;
  transition:transform .2s var(--ease);
}
.toggler-bars::before{top:-7px}
.toggler-bars::after{top:7px}
@media (max-width:991.98px){
  .nav-shell{height:56px}
  .navbar-toggler{display:inline-flex}
  .nav-collapse{
    position:fixed;top:56px;left:0;right:0;bottom:0;background:var(--deep);
    flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:8px;
    padding:18px 20px 32px;overflow-y:auto;
    transform:translateY(-8px);opacity:0;visibility:hidden;transition:all .22s var(--ease);
  }
  .nav-collapse.is-open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-links{flex-direction:column;align-items:stretch;width:100%;margin-left:0;gap:2px}
  .nav-link{height:48px;font-size:16px;width:100%;padding:0 4px}
  .nav-link::after{left:4px;right:auto;width:28px;bottom:6px}
  .nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
  .nav-side{width:100%;flex-direction:column;align-items:stretch;gap:14px;margin-top:14px}
  .nav-search{width:100%;height:48px}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-btn);font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;min-height:44px;
  transition:all .2s var(--ease);
}
.btn-amber{background:var(--amber);color:var(--deep)}
.btn-amber:hover{background:var(--amber-hover);color:var(--deep);transform:translateY(-1px)}
.btn-amber:active{transform:translateY(0)}
.btn-primary{background:var(--amber);color:var(--deep)}
.btn-primary:hover{background:var(--amber-hover);color:var(--deep);transform:translateY(-1px)}
.btn-outline{background:transparent;border:1.5px solid var(--primary);color:var(--primary-dark)}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark)}
.btn-ghost{background:transparent;color:var(--primary-dark);padding:8px 4px;border:0}
.btn-ghost i{transition:transform .2s var(--ease)}
.btn-ghost:hover i{transform:translateX(3px)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
.btn[disabled]{opacity:.5;pointer-events:none}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);padding:14px 0;flex-wrap:wrap}
.crumb a{color:var(--weak)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#CBD6D4}
.crumb .current{color:var(--primary-dark);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-hero{background:#fff;padding:44px 0 36px}
.article-hero .eyebrow{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:var(--primary-dark);background:var(--primary-light);border-radius:999px;padding:5px 14px;
}
.article-title{
  font-size:clamp(26px,3.6vw,40px);line-height:1.3;font-weight:700;letter-spacing:-.01em;
  margin:18px 0 16px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--primary)}
.article-headpic{
  margin-top:28px;border-radius:var(--radius-block);overflow:hidden;position:relative;
  border:1px solid var(--border);box-shadow:var(--shadow-rest);
}
.article-headpic img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-headpic::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:24%;
  background:linear-gradient(to top,rgba(11,26,33,.35),rgba(11,26,33,0));
}

/* ---------- 正文 ---------- */
.article-main{padding:52px 0 20px}
.article-panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-block);
  box-shadow:var(--shadow-rest);padding:40px 44px;
}
.article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--ink)}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(20px,2.2vw,26px);line-height:1.4;font-weight:600;
  margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--primary);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:20px;line-height:1.4;color:var(--primary-dark);margin:28px 0 12px}
.article-body h4{font-size:17px;margin:22px 0 10px}
.article-body a{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary)}
.article-body blockquote{
  background:var(--primary-light);border-left:3px solid var(--primary);
  padding:20px 22px;border-radius:0 var(--radius-img) var(--radius-img) 0;margin:24px 0;
  color:#20403C;font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul{list-style:none;margin:0 0 1.2em;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:13px;width:7px;height:7px;border-radius:2px;
  background:var(--primary);
}
.article-body ol{list-style:decimal;margin:0 0 1.2em;padding-left:1.4em}
.article-body ol li{margin-bottom:10px;padding-left:4px}
.article-body ol li::marker{color:var(--primary-dark);font-weight:600}
.article-body img{border-radius:var(--radius-img);margin:24px auto 8px;width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--weak);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;text-align:left}
.article-body th{background:var(--primary-light);font-weight:600;color:var(--primary-dark)}
.article-body code{
  background:#F2F5F4;padding:2px 6px;border-radius:6px;font-size:.92em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#F2F5F4;border:1px solid var(--border);border-radius:var(--radius-img);
  padding:18px;overflow-x:auto;margin:24px 0;line-height:1.7;
}
.article-body pre code{background:none;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* ---------- 文末区 ---------- */
.article-foot{max-width:780px;margin:36px auto 0;padding-top:26px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  background:var(--primary-light);color:var(--primary-dark);border-radius:999px;padding:6px 14px;
  transition:all .2s var(--ease);
}
.tag:hover{background:var(--primary);color:#fff}
.tag-amber{background:var(--amber-light);color:#8A5A08}
.foot-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:24px}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--weak)}
.share-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:#fff;
  color:var(--muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .2s var(--ease);
}
.share-btn:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px)}
.empty-state{
  max-width:780px;margin:0 auto;text-align:center;padding:56px 20px;color:var(--muted);
}
.empty-state i{font-size:34px;color:var(--primary);display:block;margin-bottom:16px}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{margin-bottom:22px}

/* ---------- 相关内容 ---------- */
.related{padding:64px 0 80px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-title{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:600}
.section-title::before{
  content:"";display:inline-block;width:8px;height:8px;border-radius:2px;background:var(--primary);
  margin-right:12px;vertical-align:middle;transform:translateY(-2px);
}
.section-sub{font-size:14px;color:var(--muted);margin-top:8px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:991.98px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:767.98px){.card-grid{grid-template-columns:1fr}}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-rest);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  height:100%;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D8E3E0}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:24%;
  background:linear-gradient(to top,rgba(11,26,33,.35),rgba(11,26,33,0));
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.badge-soft{
  display:inline-flex;align-items:center;font-size:13px;font-weight:600;
  background:var(--primary-light);color:var(--primary-dark);border-radius:999px;padding:4px 12px;
}
.badge-amber{background:var(--amber-light);color:#8A5A08}
.card-title{font-size:19px;line-height:1.45;font-weight:600;margin:12px 0 8px}
.card-title a{color:var(--ink)}
.card-title a:hover{color:var(--primary-dark)}
.card-text{
  font-size:14px;line-height:1.7;color:var(--muted);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak);font-variant-numeric:tabular-nums}
.card-meta i{color:var(--primary);margin-right:6px}

/* ---------- 通栏 CTA ---------- */
.cta-band{background:var(--deep);color:#fff;padding:64px 0}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:14px}
.cta-band p{color:#B9C7C9;font-size:15px;max-width:620px}
.cta-band .btn-outline-line{border:1px solid rgba(255,255,255,.28);color:#fff;background:transparent}
.cta-band .btn-outline-line:hover{border-color:var(--primary);color:#fff;background:rgba(18,183,162,.12)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#9FB0B3;padding:60px 0 26px;font-size:14px;line-height:1.8}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.site-footer h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.site-footer p{color:#9FB0B3;max-width:40ch}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#9FB0B3}
.footer-links a:hover{color:var(--primary)}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact i{color:var(--primary);width:18px;margin-right:6px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8296 99;
  color:#829699;
}

/* ---------- 响应式 ---------- */
@media (max-width:991.98px){
  body{font-size:16px;line-height:1.85}
  .article-hero{padding:34px 0 28px}
  .article-main{padding:38px 0 16px}
  .article-panel{padding:28px 24px;border-radius:var(--radius-card)}
  .related{padding:48px 0 60px}
  .cta-band{padding:52px 0}
}
@media (max-width:575.98px){
  .container{padding-left:20px;padding-right:20px}
  .article-hero{padding:26px 0 22px}
  .article-title{margin:14px 0 14px}
  .article-panel{padding:22px 18px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{margin:32px 0 14px}
  .foot-actions{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --brand:#12B7A2;
  --brand-dark:#0A8A79;
  --brand-light:#E6F7F4;
  --amber:#F2A93B;
  --amber-dark:#E09A2C;
  --amber-light:#FFE9C2;
  --ink:#0B1A21;
  --ink-2:#16232B;
  --muted:#5B6B72;
  --faint:#8A979D;
  --border:#E4EAE8;
  --line:#EEF2F1;
  --bg:#F6F8F7;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(11,26,33,.04),0 10px 28px -16px rgba(11,26,33,.14);
  --shadow-hover:0 2px 4px rgba(11,26,33,.06),0 18px 40px -18px rgba(11,26,33,.22);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-primary:#12B7A2;
  --bs-body-bg:#F6F8F7;
  --bs-border-radius:10px;
  --bs-body-font-family:var(--font-cn);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--brand);}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--ink);letter-spacing:-.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{
  max-width:1200px;
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
}
@media (min-width:576px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1200px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:var(--ink);
  transition:box-shadow var(--ease),border-color var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.7);
}
.nav-shell{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:700;
  font-size:17px;
  letter-spacing:-.01em;
  flex:0 0 auto;
}
.brand:hover{color:#fff;}
.brand-mark{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#04181a;
  font-size:15px;
}
.brand-text{white-space:nowrap;}
.brand-accent{color:var(--brand);}
.nav-collapse{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex:1 1 auto;
  gap:24px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:64px;
  color:#C9D6D8;
  font-size:15px;
  font-weight:500;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:16px;
  height:2px;width:0;
  background:var(--brand);
  transition:width var(--ease);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:#fff;}
.nav-link.active::after{width:100%;}
.nav-side{display:flex;align-items:center;gap:14px;}
.nav-search{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.14);
  background:transparent;
  color:#C9D6D8;
  font-size:15px;
  transition:all var(--ease);
}
.nav-search:hover{color:#fff;border-color:var(--brand);}
.navbar-toggler{
  display:none;
  width:44px;height:44px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:10px;
  background:transparent;
  align-items:center;justify-content:center;
  padding:0;
}
.toggler-bars,
.toggler-bars::before,
.toggler-bars::after{
  display:block;
  width:20px;height:2px;
  background:var(--brand);
  border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.toggler-bars{position:relative;}
.toggler-bars::before{content:"";position:absolute;top:-6px;left:0;}
.toggler-bars::after{content:"";position:absolute;top:6px;left:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:all var(--ease);
  line-height:1.2;
}
.btn-sm{padding:9px 18px;min-height:40px;font-size:14px;}
.btn-amber{background:var(--amber);color:var(--ink);border-color:var(--amber);}
.btn-amber:hover{background:var(--amber-dark);border-color:var(--amber-dark);color:var(--ink);transform:translateY(-1px);}
.btn-amber:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--brand-dark);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);border-width:1px;}
.btn-outline-light:hover{color:#fff;border-color:var(--brand);background:rgba(18,183,162,.12);}
.btn-ghost{
  background:transparent;color:var(--brand-dark);border:0;
  padding:0;min-height:0;font-weight:600;
}
.btn-ghost i{transition:transform var(--ease);}
.btn-ghost:hover{color:var(--brand);}
.btn-ghost:hover i{transform:translateX(3px);}
.btn[disabled],.btn.disabled{opacity:.5;pointer-events:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:13px;
  line-height:1.5;
  font-weight:600;
  background:var(--brand-light);
  color:var(--brand-dark);
}
.badge-amber{background:var(--amber-light);color:#8A5A0B;}
.badge-muted{background:var(--line);color:var(--faint);}
.tag-square{
  display:inline-flex;align-items:center;
  padding:4px 10px;
  font-size:13px;
  border:1px solid var(--border);
  border-radius:6px;
  color:var(--muted);
  background:#fff;
}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  background:var(--ink);
  color:#fff;
  padding-top:64px;
  overflow:hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
  padding-top:64px;
  padding-bottom:80px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(18,183,162,.45);
  color:var(--brand);
  font-size:13px;
  letter-spacing:.04em;
  margin-bottom:22px;
}
.hero-title{
  color:#fff;
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-title .hl{color:var(--brand);}
.hero-sub{
  color:#C9D6D8;
  font-size:17px;
  line-height:1.85;
  max-width:560px;
  margin-bottom:16px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  color:#9FB0B3;
  font-size:14px;
  margin-bottom:28px;
  font-variant-numeric:tabular-nums;
}
.hero-points span{display:inline-flex;align-items:center;gap:8px;}
.hero-points i{color:var(--brand);font-size:12px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.1);
}
.stat-num{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.stat-label{font-size:13px;color:#8A979D;line-height:1.5;}
.hero-visual{position:relative;}
.hero-img{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.85);
  aspect-ratio:4/3;
  background:linear-gradient(150deg,#0F2A33 0%,#0B1A21 100%);
}
.hero-img img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;
  right:-8px;bottom:-18px;
  width:230px;
  background:#fff;
  border-radius:var(--radius-card);
  padding:16px 18px;
  box-shadow:0 20px 44px -20px rgba(0,0,0,.55);
}
.float-card .fc-title{
  font-size:15px;font-weight:600;color:var(--ink);
  margin:10px 0 6px;line-height:1.4;
}
.float-card .fc-meta{
  font-size:13px;color:var(--muted);line-height:1.7;
  font-variant-numeric:tabular-nums;
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.section-title{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.35;
  font-weight:600;
  color:var(--ink);
}
.section-title::before{
  content:"";
  display:block;
  width:36px;height:3px;
  background:var(--brand);
  border-radius:2px;
  margin-bottom:16px;
}
.section-desc{
  font-size:15px;
  color:var(--muted);
  max-width:640px;
  margin-top:12px;
  line-height:1.8;
}

/* ---------- 概览 01-04 ---------- */
.overview-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line);
}
.ov-item{
  padding:32px 26px 32px 0;
  border-right:1px solid var(--line);
}
.ov-item:last-child{border-right:0;padding-right:0;}
.ov-num{
  font-size:32px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1;
  margin-bottom:16px;
}
.ov-item h3{font-size:19px;margin-bottom:10px;}
.ov-item p{font-size:15px;color:var(--muted);line-height:1.85;margin:0;}

/* ---------- 卡片网格 ---------- */
.cards-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.grid-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.grid-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CFE6E1;}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#0F2A33;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.grid-card:hover .card-media img{transform:scale(1.03);}
.card-media::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:24%;
  background:linear-gradient(180deg,rgba(11,26,33,0) 0%,rgba(11,26,33,.35) 100%);
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-body h3{font-size:19px;line-height:1.45;}
.card-body p{
  font-size:15px;color:var(--muted);line-height:1.8;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--faint);
  font-variant-numeric:tabular-nums;
}

/* ---------- 时间线 ---------- */
.timeline{display:grid;gap:28px;}
.tl-item{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:28px;
  position:relative;
}
.tl-time{
  font-size:15px;
  font-weight:700;
  color:var(--brand-dark);
  font-variant-numeric:tabular-nums;
  padding-top:18px;
}
.tl-body{
  position:relative;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:22px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease);
}
.tl-body::before{
  content:"";
  position:absolute;
  left:-28px;top:26px;
  width:12px;height:12px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--border);
}
.tl-item.is-current .tl-body::before{
  background:var(--amber);
  border-color:var(--amber);
  box-shadow:0 0 0 6px rgba(242,169,59,.2);
}
.tl-item:hover .tl-body{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.tl-body h3{font-size:18px;margin-bottom:8px;}
.tl-body p{font-size:15px;color:var(--muted);margin:0;line-height:1.85;}

/* ---------- 图文场景 ---------- */
.scene{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.scene-img{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  aspect-ratio:4/3;
}
.scene-img img{width:100%;height:100%;object-fit:cover;}
.scene-list{display:grid;gap:20px;margin-top:26px;}
.scene-list li{
  display:grid;
  grid-template-columns:34px 1fr;
  gap:14px;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
}
.scene-list li:last-child{border-bottom:0;padding-bottom:0;}
.scene-idx{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:var(--brand-light);
  color:var(--brand-dark);
  font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.scene-list h3{font-size:17px;margin-bottom:6px;}
.scene-list p{font-size:15px;color:var(--muted);margin:0;line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-list .accordion-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  position:relative;
  transition:border-color var(--ease);
}
.faq-list .accordion-item.is-open{border-color:#CFE6E1;}
.faq-list .accordion-item.is-open::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand);
}
.faq-list .accordion-header{margin:0;}
.faq-list .accordion-button{
  width:100%;
  background:transparent;
  border:0;
  text-align:left;
  padding:20px 56px 20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
  box-shadow:none;
  position:relative;
  transition:color var(--ease);
}
.faq-list .accordion-button:not(.collapsed){color:var(--brand-dark);}
.faq-list .accordion-button::after{
  content:"+";
  position:absolute;
  right:24px;top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:400;
  color:var(--brand);
  background:none;
  width:auto;height:auto;
  margin:0;
  line-height:1;
}
.faq-list .accordion-button:not(.collapsed)::after{content:"−";}
.faq-list .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-4px;}
.faq-list .accordion-body{
  padding:0 24px 22px;
  font-size:16px;
  color:var(--muted);
  line-height:1.9;
}

/* ---------- 深色 CTA / 表单 ---------- */
.cta-dark{
  background:var(--ink);
  color:#fff;
  padding:88px 0;
  border-top:3px solid var(--brand);
}
.cta-grid{
  display:grid;
  grid-template-columns:1fr 480px;
  gap:56px;
  align-items:start;
}
.cta-dark h2{
  color:#fff;
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.35;
  margin-bottom:18px;
}
.cta-dark p.lead{
  color:#9FB0B3;
  font-size:16px;
  line-height:1.9;
  max-width:520px;
}
.cta-points{display:grid;gap:14px;margin-top:26px;}
.cta-points li{
  display:flex;align-items:flex-start;gap:12px;
  color:#C9D6D8;font-size:15px;line-height:1.7;
}
.cta-points i{color:var(--brand);margin-top:6px;font-size:13px;}
.cta-form{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  padding:28px;
  max-width:480px;
}
.cta-form .form-label{
  color:#C9D6D8;
  font-size:14px;
  font-weight:500;
  margin-bottom:8px;
}
.cta-form .req{color:var(--amber);margin-left:4px;}
.cta-form .form-control,
.cta-form .form-select{
  height:48px;
  background:#fff;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-input);
  font-size:15px;
  color:var(--ink-2);
  padding:0 14px;
  box-shadow:none;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.cta-form .form-control::placeholder{color:var(--faint);}
.cta-form .form-control:focus,
.cta-form .form-select:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(18,183,162,.15);
}
.cta-form .form-hint{font-size:13px;color:#8A979D;margin-top:10px;line-height:1.7;}
.form-group{margin-bottom:18px;}
.btn-block{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#9FB0B3;
  padding:72px 0 28px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:17px;font-weight:700;margin-bottom:18px;
}
.site-footer p{font-size:14px;line-height:1.9;color:#9FB0B3;max-width:340px;}
.site-footer h3{
  color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;
}
.footer-links{display:grid;gap:12px;}
.footer-links a{color:#9FB0B3;font-size:14px;}
.footer-links a:hover{color:var(--brand);}
.footer-contact{display:grid;gap:14px;}
.footer-contact span{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:#9FB0B3;
}
.footer-contact i{color:var(--brand);width:16px;}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:#7D8E92;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cta-grid{grid-template-columns:1fr 420px;gap:40px;}
}
@media (max-width:991.98px){
  .navbar-toggler{display:inline-flex;}
  .nav-collapse{
    display:none;
    position:fixed;
    top:56px;left:0;right:0;bottom:0;
    background:var(--ink);
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:8px;
    padding:20px;
    overflow-y:auto;
    border-top:1px solid rgba(255,255,255,.08);
  }
  .nav-collapse.open{display:flex;}
  .nav-shell{height:56px;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;margin-left:0;padding:0;}
  .nav-links li{border-bottom:1px solid rgba(255,255,255,.07);}
  .nav-link{height:auto;padding:16px 4px;font-size:16px;min-height:48px;}
  .nav-link::after{bottom:8px;}
  .nav-side{flex-direction:column;align-items:stretch;gap:14px;padding-top:20px;}
  .nav-side .btn{width:100%;}
  .nav-search{width:100%;height:48px;justify-content:center;}

  .hero{padding-top:56px;}
  .hero-inner{
    grid-template-columns:1fr;
    gap:40px;
    padding-top:48px;
    padding-bottom:64px;
  }
  .hero-visual{max-height:none;}
  .hero-img{aspect-ratio:16/9;}
  .float-card{position:static;width:100%;margin-top:16px;}
  .section{padding:64px 0;}
  .overview-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ov-item{padding:26px 24px;}
  .ov-item:nth-child(2n){border-right:0;padding-right:0;}
  .overview-grid .ov-item{border-bottom:1px solid var(--line);}
  .cards-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene{grid-template-columns:1fr;gap:32px;}
  .cta-dark{padding:64px 0;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .cta-form{max-width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px;}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.85;}
  .hero-title{font-size:clamp(26px,7vw,32px);}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .cards-3{grid-template-columns:1fr;}
  .overview-grid{grid-template-columns:1fr;}
  .ov-item{border-right:0;padding:24px 0;}
  .tl-item{grid-template-columns:1fr;gap:8px;}
  .tl-time{padding-top:0;font-size:14px;}
  .tl-body{padding:18px 20px;}
  .tl-body::before{display:none;}
  .section{padding:52px 0;}
  .cta-form{padding:22px;}
  .site-footer{padding:52px 0 24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519.98px){
  .hero-actions .btn{width:100%;}
  .hero-points{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --bs-primary:#12B7A2;
  --bs-body-bg:#F6F8F7;
  --bs-body-color:#16232B;
  --bs-border-radius:16px;
  --primary:#12B7A2;
  --primary-dark:#0A8A79;
  --primary-soft:#E6F7F4;
  --amber:#F2A93B;
  --amber-dark:#E09A2C;
  --amber-soft:#FFE9C2;
  --amber-ink:#8A5A0B;
  --ink:#0B1A21;
  --text:#16232B;
  --text-2:#5B6B72;
  --text-3:#8A979D;
  --border:#E4EAE8;
  --line:#EEF2F1;
  --bg:#F6F8F7;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(11,26,33,.04),0 10px 28px -16px rgba(11,26,33,.14);
  --shadow-lg:0 2px 4px rgba(11,26,33,.06),0 18px 40px -18px rgba(11,26,33,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--primary-dark);text-decoration:none}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em}
h1{font-size:clamp(28px,4.4vw,46px);line-height:1.25;font-weight:700}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:600}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:576px){.container{padding-left:24px;padding-right:24px}}
@media(min-width:1200px){.container{padding-left:32px;padding-right:32px}}
.section{padding:var(--sec) 0}
@media(max-width:991px){:root{--sec:64px}}
@media(max-width:575px){:root{--sec:52px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  background:var(--ink);
  position:sticky;
  top:0;
  z-index:1030;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  box-shadow:0 10px 28px -18px rgba(11,26,33,.65);
  border-bottom-color:rgba(255,255,255,.08);
}
.nav-shell{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  display:grid;place-items:center;
  background:rgba(18,183,162,.14);
  border:1px solid rgba(18,183,162,.35);
  color:var(--primary);font-size:15px;
}
.brand-text{color:#fff;font-size:17px;font-weight:700;letter-spacing:0}
.brand-accent{color:var(--primary)}
.navbar-toggler{
  display:none;width:44px;height:44px;margin-left:auto;
  padding:0;border:0;background:transparent;box-shadow:none;
  align-items:center;justify-content:center;
}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:2px}
.toggler-bars,.toggler-bars::before,.toggler-bars::after{
  display:block;width:22px;height:2px;border-radius:2px;background:var(--primary);
  transition:transform .22s var(--ease),opacity .22s var(--ease),background .22s var(--ease);
}
.toggler-bars{position:relative}
.toggler-bars::before,.toggler-bars::after{content:"";position:absolute;left:0}
.toggler-bars::before{top:-7px}
.toggler-bars::after{top:7px}
.navbar-toggler[aria-expanded="true"] .toggler-bars{background:transparent}
.navbar-toggler[aria-expanded="true"] .toggler-bars::before{transform:translateY(7px) rotate(45deg)}
.navbar-toggler[aria-expanded="true"] .toggler-bars::after{transform:translateY(-7px) rotate(-45deg)}
.nav-collapse{display:flex;flex:1;align-items:center;justify-content:space-between;gap:24px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;display:block;padding:8px 0;
  color:#C9D6D8;font-size:15px;line-height:1.4;text-decoration:none;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--primary);transition:width .2s var(--ease);
}
.nav-link:hover{color:#FFFFFF}
.nav-link:hover::after{width:100%}
.nav-link.active{color:#FFFFFF}
.nav-link.active::after{width:100%}
.nav-side{display:flex;align-items:center;gap:14px}
.nav-search{
  width:44px;height:44px;border-radius:50%;
  background:transparent;border:1px solid rgba(255,255,255,.16);
  color:#C9D6D8;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.nav-search:hover{border-color:var(--primary);color:#fff;background:rgba(18,183,162,.1)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:15px;font-weight:600;line-height:1.2;
  padding:12px 24px;border-radius:var(--radius-btn);border:0;
  cursor:pointer;text-decoration:none;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-amber{background:var(--amber);color:var(--ink)}
.btn-amber:hover{background:var(--amber-dark);color:var(--ink);transform:translateY(-1px)}
.btn-amber:active{transform:translateY(0)}
.btn-amber:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-outline{
  background:transparent;color:var(--primary-dark);border:1.5px solid var(--primary);
}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-dark)}
.btn-ghost{background:transparent;color:var(--primary-dark);padding:12px 0}
.btn-ghost i{transition:transform .2s var(--ease)}
.btn-ghost:hover{color:var(--primary-dark)}
.btn-ghost:hover i{transform:translateX(3px)}
.btn-sm{padding:9px 18px;font-size:14px}

/* ---------- 分类头部 ---------- */
.cat-hero{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:52px 0 40px;
}
.crumbs{font-size:13px;color:var(--text-3);margin-bottom:20px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--primary-dark)}
.crumbs span{color:var(--primary-dark)}
.cat-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.cat-kicker{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.cat-kicker i{font-size:11px}
.cat-hero h1{margin-bottom:14px}
.cat-sub{font-size:14px;color:var(--text-3);line-height:1.7;margin-bottom:26px}
.hero-media{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  aspect-ratio:16/10;background:var(--ink);
}
.hero-media img{width:100%;height:100%;object-fit:cover}

/* ---------- 筛选标签 ---------- */
.filter-label{font-size:13px;color:var(--text-3);margin-bottom:12px}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px}
.filter-chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);
  font-size:14px;font-weight:500;border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.filter-chip:hover{border-color:var(--primary)}
.filter-chip.is-active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ---------- 指标条 ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  margin-top:36px;padding-top:28px;gap:20px;
}
.stat-item{border-left:3px solid var(--primary);padding-left:16px}
.stat-value{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:var(--text);line-height:1.2}
.stat-value em{font-style:normal;font-size:14px;color:var(--text-3);font-weight:500;margin-left:4px}
.stat-label{font-size:13px;color:var(--text-3);margin-top:6px}

/* ---------- 列表头部 ---------- */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.list-head p{font-size:14px;color:var(--text-3);margin:8px 0 0}
.list-head .head-link{font-size:14px;font-weight:600;color:var(--primary-dark);white-space:nowrap}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.wcard{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.wcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#D5DFDC}
.wcard-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DDE6E4}
.wcard-media img{
  width:100%;height:100%;object-fit:cover;
  border-radius:12px 12px 0 0;
  transition:transform .4s var(--ease);
}
.wcard:hover .wcard-media img{transform:scale(1.03)}
.wcard-media::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:24%;
  background:linear-gradient(to bottom,rgba(11,26,33,0),rgba(11,26,33,.35));
}
.wcard-body{display:flex;flex-direction:column;flex:1;padding:20px;gap:12px}
.wcard-title{font-size:18px;font-weight:600;line-height:1.45}
.wcard-desc{
  font-size:14px;line-height:1.75;color:var(--text-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.wcard-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.wcard-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--primary-dark);
}
.wcard-more i{font-size:11px;transition:transform .2s var(--ease)}
.wcard:hover .wcard-more i{transform:translateX(3px)}

.badge-soft,.badge-amber,.badge-muted{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:13px;font-weight:500;line-height:1;
}
.badge-soft{background:var(--primary-soft);color:var(--primary-dark)}
.badge-amber{background:var(--amber-soft);color:var(--amber-ink)}
.badge-muted{background:var(--line);color:var(--text-3)}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- FAQ ---------- */
.faq-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-wrap{max-width:860px}
.faq-head{margin-bottom:32px}
.faq-head p{font-size:14px;color:var(--text-3);margin:10px 0 0}
.fx-accordion .accordion-item{
  background:#fff;border:1px solid var(--border);border-left:3px solid transparent;
  border-radius:14px;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color .2s var(--ease);
}
.fx-accordion .accordion-item:has(.accordion-button:not(.collapsed)){border-left-color:var(--primary)}
.fx-accordion .accordion-button{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:20px 22px;background:#fff;color:var(--text);
  font-size:16px;font-weight:600;line-height:1.5;box-shadow:none;border:0;
}
.fx-accordion .accordion-button:not(.collapsed){color:var(--primary-dark);background:#fff;box-shadow:none}
.fx-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px}
.fx-accordion .accordion-button::after{display:none}
.acc-icon{position:relative;flex:0 0 16px;width:16px;height:16px}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;background:var(--primary-dark);border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.acc-icon::before{left:0;top:7px;width:16px;height:2px}
.acc-icon::after{left:7px;top:0;width:2px;height:16px}
.accordion-button:not(.collapsed) .acc-icon::after{transform:rotate(90deg);opacity:0}
.fx-accordion .accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--text-2)}

/* ---------- 行动条 ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--primary-soft);
  border:1px solid rgba(18,183,162,.2);
  border-radius:var(--radius-lg);
  padding:32px 36px;
}
.cta-bar h3{font-size:clamp(18px,2vw,22px);margin-bottom:8px}
.cta-bar p{font-size:14px;color:var(--text-2);margin:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#9FB0B3;padding:64px 0 0;margin-top:var(--sec)}
.site-footer h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.site-footer p{font-size:14px;line-height:1.85;color:#9FB0B3;max-width:360px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#9FB0B3;font-size:14px;transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--primary)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-contact i{color:var(--primary);width:16px;margin-right:8px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding:22px 0;font-size:13px;color:#7E8E91;
  border-top:1px solid rgba(255,255,255,.08);
}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .cat-hero-grid{gap:36px}
}
@media(max-width:991px){
  .navbar-toggler{display:flex}
  .nav-shell{height:56px}
  .nav-collapse{
    position:fixed;left:0;right:0;top:56px;bottom:0;
    display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;padding:24px 20px 40px;
    background:var(--ink);
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .24s var(--ease),transform .24s var(--ease);
    overflow-y:auto;
  }
  .nav-collapse.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav-links{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    display:flex;align-items:center;height:48px;font-size:16px;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .nav-link::after{display:none}
  .nav-link.active{color:var(--primary)}
  .nav-side{flex-direction:column;align-items:stretch;gap:14px;margin-top:24px}
  .nav-search{width:100%;height:48px;border-radius:var(--radius-btn)}
  .nav-side .btn{width:100%;height:48px}
  .cat-hero{padding:40px 0 32px}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-media{order:2;max-height:320px}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:20px 16px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .list-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:28px}
  .cta-bar .btn{width:100%}
}
@media(max-width:575px){
  body{font-size:16px;line-height:1.85}
  .cat-hero{padding:32px 0 28px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .stat-row{grid-template-columns:1fr;gap:18px}
  .filter-chip{height:36px;padding:0 15px;font-size:13px}
  .footer-bottom{flex-direction:column;gap:8px}
}