/* roulang page: index */
:root{
  --brand:#12655F;
  --brand-d:#0B4A46;
  --brand-l:#2E8C7F;
  --accent:#E07A3F;
  --accent-d:#C25F27;
  --bg:#F4F1EB;
  --card:#FFFFFF;
  --dark:#10201E;
  --text:#1B2423;
  --text-2:#5A6664;
  --line:#E2DDD5;
  --ph:#E8E4DC;
  --grad:linear-gradient(135deg,#0B4A46 0%,#12655F 48%,#2E8C7F 100%);
  --grad-soft:linear-gradient(135deg,#EAF3F1 0%,#F6F3ED 100%);
  --r-xl:22px;
  --r-md:16px;
  --r-sm:14px;
  --r-xs:12px;
  --sh:0 10px 30px rgba(11,74,70,.10);
  --sh-h:0 18px 44px rgba(11,74,70,.16);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --w:1236px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:17px;line-height:1.8;font-weight:400;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(18,101,95,.07) 1px,transparent 1px);
  background-size:16px 16px;opacity:.6;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-d)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
::selection{background:rgba(18,101,95,.18);color:var(--brand-d)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#EDE9E1}
::-webkit-scrollbar-thumb{background:#BFC7C3;border-radius:999px;border:2px solid #EDE9E1}
::-webkit-scrollbar-thumb:hover{background:var(--brand-l)}
:focus-visible{outline:3px solid rgba(18,101,95,.45);outline-offset:3px;border-radius:6px}

.site-container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.grid-container.site-container{padding-left:24px;padding-right:24px;max-width:var(--w)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 2px 18px rgba(11,74,70,.05)}
.brand-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px;padding:10px 0}
.brand{display:flex;align-items:center;gap:12px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand__mark{width:44px;height:44px;flex:0 0 44px;border-radius:14px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;box-shadow:0 8px 20px rgba(11,74,70,.22)}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__text strong{font-size:19px;font-weight:800;letter-spacing:0;color:var(--brand-d)}
.brand__text em{font-style:normal;font-size:12.5px;color:var(--text-2);letter-spacing:.5px}
.brand-bar__actions{display:flex;align-items:center;gap:18px}
.link-plain{font-size:14.5px;color:var(--text-2);display:inline-flex;align-items:center;gap:7px}
.link-plain:hover{color:var(--brand)}
.link-plain i{color:var(--brand)}
.nav-toggle{display:none;width:46px;height:46px;border:1px solid var(--line);background:#fff;border-radius:12px;color:var(--brand);font-size:18px;align-items:center;justify-content:center;cursor:pointer;transition:background .2s ease,box-shadow .2s ease}
.nav-toggle:hover{background:#F2F7F6;box-shadow:var(--sh)}
.channel-bar{border-top:1px solid var(--line);background:#fff}
.channel-list{display:flex;align-items:center;gap:34px;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{display:inline-block;padding:15px 2px 13px;font-size:15px;color:var(--text-2);white-space:nowrap;border-bottom:3px solid transparent;font-weight:500}
.channel-list a:hover{color:var(--brand)}
.channel-list a.is-active{color:var(--brand-d);font-weight:700;border-bottom-color:var(--brand)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-family:inherit;font-size:15px;font-weight:700;line-height:1;padding:15px 28px;border-radius:999px;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;text-align:center;min-height:48px}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(11,74,70,.26)}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(11,74,70,.32);filter:brightness(1.06)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:#fff;color:var(--brand);border:1.5px solid rgba(18,101,95,.42);border-radius:12px}
.btn--ghost:hover{background:#F2F7F6;color:var(--brand-d);transform:translateY(-2px);box-shadow:var(--sh)}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(194,95,39,.28)}
.btn--accent:hover{background:var(--accent-d);color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(194,95,39,.32)}
.btn--text{background:none;color:var(--brand);padding:8px 0;min-height:auto;font-weight:700}
.btn--text i{transition:transform .22s ease}
.btn--text:hover{color:var(--brand-d)}
.btn--text:hover i{transform:translateX(6px)}
.btn--block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:78px 0 92px;background:var(--brand-d)}
.hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;transform:scale(1.02)}
.hero__veil{position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,74,70,.94) 0%,rgba(18,101,95,.86) 48%,rgba(46,140,127,.62) 100%)}
.hero__veil::after{content:"";position:absolute;inset:0;background:radial-gradient(460px 340px at 84% 14%,rgba(255,255,255,.15),transparent 70%),radial-gradient(560px 420px at 4% 96%,rgba(255,255,255,.10),transparent 72%)}
.hero__inner{position:relative;z-index:2}
.hero__kicker{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;font-weight:700;letter-spacing:1px;color:#CFE9E4;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);padding:8px 16px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:44px;line-height:1.25;font-weight:800;color:#fff;margin-bottom:20px;letter-spacing:0}
.hero__sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.88);max-width:560px;margin-bottom:28px}
.hero__cta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-bottom:34px}
.hero__cta .btn--ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.5)}
.hero__cta .btn--ghost:hover{background:rgba(255,255,255,.2);color:#fff}
.hero__badges{display:flex;flex-wrap:wrap;gap:10px}
.badge-data{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.96);border:1px solid rgba(18,101,95,.2);border-radius:999px;padding:7px 16px;font-size:13px;color:var(--text-2);white-space:nowrap}
.badge-data b{font-size:17px;font-weight:800;color:var(--brand-d);font-variant-numeric:tabular-nums}
.hero-card{background:#fff;border-radius:var(--r-xl);padding:14px;box-shadow:0 26px 60px rgba(4,32,30,.32)}
.hero-card__media{position:relative;border-radius:var(--r-md);overflow:hidden;background:var(--ph)}
.hero-card__media img{width:100%;height:252px;object-fit:cover}
.hero-card__tag{position:absolute;left:12px;top:12px;background:rgba(11,74,70,.9);color:#fff;font-size:12.5px;font-weight:700;padding:6px 13px;border-radius:999px}
.hero-card__body{padding:18px 8px 6px}
.hero-card__body h3{font-size:18px;font-weight:800;color:var(--brand-d);margin-bottom:8px}
.hero-card__body p{font-size:14px;color:var(--text-2);line-height:1.75}
.hero-card__stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

/* ---------- sections ---------- */
.section{position:relative;z-index:1;padding:var(--sec) 0}
.section--tight{padding:64px 0}
.section--soft{background:var(--grad-soft)}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-head__tag{display:inline-block;font-size:13px;font-weight:800;letter-spacing:1.6px;color:var(--brand);margin-bottom:14px}
.sec-head h2{font-size:32px;line-height:1.3;font-weight:800;color:var(--brand-d);letter-spacing:0;position:relative;padding-bottom:16px}
.sec-head h2::after{content:"";position:absolute;left:0;bottom:0;width:56px;height:4px;border-radius:2px;background:var(--grad)}
.sec-head p{margin-top:18px;font-size:16.5px;color:var(--text-2);line-height:1.85}

/* ---------- advantage ladder ---------- */
.adv__row{display:flex;align-items:flex-start;gap:32px;background:var(--card);border-radius:var(--r-xl);padding:38px 40px;box-shadow:var(--sh);border:1px solid rgba(226,221,213,.9);transition:transform .22s ease,box-shadow .22s ease}
.adv__row:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.adv__row + .adv__row{margin-top:26px}
.adv__num{font-size:48px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:2px rgba(18,101,95,.55);font-variant-numeric:tabular-nums;flex:0 0 auto;min-width:86px}
.adv__body{flex:1 1 auto}
.adv__body h3{font-size:22px;font-weight:800;color:var(--brand-d);margin-bottom:12px;line-height:1.4}
.adv__body p{font-size:16px;color:var(--text-2);line-height:1.85}
.adv__row--2{margin-left:8.3333%;max-width:calc(100% - 8.3333%)}
.adv__thumb{flex:0 0 210px;border-radius:var(--r-md);overflow:hidden;background:var(--ph)}
.adv__thumb img{width:100%;height:150px;object-fit:cover}
.adv__row--3{margin-left:4.1666%;max-width:calc(100% - 4.1666%);flex-wrap:wrap}
.adv__row--3 .adv__metrics{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;width:100%}
.metric-chip{display:inline-flex;align-items:baseline;gap:8px;background:#F2F7F6;border:1px solid rgba(18,101,95,.18);border-radius:999px;padding:8px 16px;font-size:13px;color:var(--text-2)}
.metric-chip b{font-size:19px;font-weight:800;color:var(--brand-d);font-variant-numeric:tabular-nums}

/* ---------- plan ladder ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:end}
.plan-card{position:relative;background:var(--card);border-radius:var(--r-xl);padding:34px 30px 32px;border:1px solid rgba(226,221,213,.9);box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .24s ease,box-shadow .24s ease}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.plan-card--1{background:var(--card);min-height:400px}
.plan-card--2{background:linear-gradient(180deg,#EAF3F1 0%,#F7FBFA 100%);min-height:448px}
.plan-card--3{background:var(--grad);border-color:transparent;min-height:496px}
.plan-card--3 h3,.plan-card--3 .plan-price b,.plan-card--3 .plan-price span{color:#fff}
.plan-card--3 .plan-list li{color:rgba(255,255,255,.92)}
.plan-card--3 .plan-list i{color:#B8E6DC}
.plan-card--3 .plan-role{color:rgba(255,255,255,.78)}
.plan-flag{position:absolute;top:-14px;right:24px;background:var(--accent);color:#fff;font-size:12.5px;font-weight:800;letter-spacing:.6px;padding:7px 16px;border-radius:999px;box-shadow:0 10px 22px rgba(194,95,39,.3)}
.plan-card h3{font-size:21px;font-weight:800;color:var(--brand-d);margin-bottom:6px}
.plan-role{font-size:13.5px;color:var(--text-2);margin-bottom:22px}
.plan-price{display:flex;align-items:baseline;gap:8px;margin-bottom:24px}
.plan-price b{font-size:42px;font-weight:800;color:var(--brand-d);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-1px}
.plan-price span{font-size:14px;color:var(--text-2)}
.plan-list{margin-bottom:28px;flex:1 1 auto}
.plan-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text-2);padding:9px 0;line-height:1.65;border-bottom:1px dashed rgba(226,221,213,.85)}
.plan-card--3 .plan-list li{border-bottom-color:rgba(255,255,255,.18)}
.plan-list li:last-child{border-bottom:0}
.plan-list i{color:var(--brand);margin-top:5px;font-size:13px}
.plan-card--3 .btn--ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45)}
.plan-card--3 .btn--ghost:hover{background:rgba(255,255,255,.24);color:#fff}

/* ---------- compare table ---------- */
.compare-wrap{background:var(--card);border-radius:var(--r-xl);border:1px solid rgba(226,221,213,.9);box-shadow:var(--sh);overflow:hidden}
.compare-scroll{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;min-width:760px}
table.compare th,table.compare td{padding:18px 22px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:middle}
table.compare thead th{background:#F7F5F0;color:var(--brand-d);font-weight:800;font-size:15px;letter-spacing:.2px}
table.compare thead th:first-child{width:210px}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover td{background:#FAFCFB}
table.compare td:first-child{color:var(--text);font-weight:600}
table.compare .col-rec{background:#F4FAF8;border-top:3px solid var(--brand)}
table.compare i.yes{color:var(--brand);font-size:15px}
table.compare i.no{color:#B9B2A8;font-size:15px}

/* ---------- release strip ---------- */
.strip{background:var(--dark);color:#fff;border-radius:var(--r-xl);padding:26px 34px;display:flex;align-items:center;gap:30px;flex-wrap:wrap;position:relative;overflow:hidden}
.strip::after{content:"";position:absolute;right:-60px;top:-80px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(46,140,127,.45),transparent 68%)}
.strip__text{flex:1 1 300px;position:relative;z-index:1}
.strip__text h3{font-size:20px;font-weight:800;margin-bottom:6px;color:#fff}
.strip__text p{font-size:14.5px;color:rgba(255,255,255,.68);line-height:1.7}
.strip__nums{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.strip__num{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-sm);padding:11px 18px;text-align:center;min-width:96px}
.strip__num b{display:block;font-size:21px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.25}
.strip__num span{font-size:12px;color:rgba(255,255,255,.62)}
.strip__action{position:relative;z-index:1}

/* ---------- form ---------- */
.contact-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:34px;align-items:start}
.form-card{background:var(--card);border-radius:var(--r-xl);padding:40px;border:1px solid rgba(226,221,213,.9);box-shadow:var(--sh)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--brand-d);margin-bottom:9px}
.field input,.field select,.field textarea{width:100%;padding:14px 16px;font-size:15px;font-family:inherit;color:var(--text);background:#FBFAF7;border:1.5px solid var(--line);border-radius:var(--r-sm);transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;outline:none}
.field textarea{min-height:128px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(18,101,95,.13)}
.field input::placeholder,.field textarea::placeholder{color:#A9A49B}
.field--error input,.field--error select,.field--error textarea{border-color:var(--accent)}
.field__err{display:none;font-size:13px;color:var(--accent-d);margin-top:7px}
.field--error .field__err{display:block}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);margin-bottom:22px;line-height:1.7}
.check-line input{width:18px;height:18px;flex:0 0 18px;margin-top:3px;accent-color:var(--brand)}
.form-note{display:none;background:#EDF6F4;border:1px solid rgba(18,101,95,.22);color:var(--brand-d);border-radius:var(--r-sm);padding:14px 18px;font-size:14px;margin-bottom:20px}
.form-note.is-on{display:block}
.trust-list li{display:flex;gap:14px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--line)}
.trust-list li:first-child{padding-top:0}
.trust-list li:last-child{border-bottom:0;padding-bottom:0}
.trust-list .ic{width:44px;height:44px;flex:0 0 44px;border-radius:13px;background:#EDF6F4;color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:17px}
.trust-list h4{font-size:16px;font-weight:800;color:var(--brand-d);margin-bottom:6px}
.trust-list p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.news-card{background:var(--card);border-radius:var(--r-xl);border:1px solid rgba(226,221,213,.9);box-shadow:var(--sh);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.news-card__link{display:flex;flex-direction:column;height:100%;color:var(--text)}
.news-card__link:hover{color:var(--text)}
.news-card__media{position:relative;aspect-ratio:16/9;background:var(--ph);overflow:hidden}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-card__media img{transform:scale(1.05)}
.news-card__badge{position:absolute;left:12px;top:12px;background:rgba(11,74,70,.9);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.4px}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.news-card__body h3{font-size:16.5px;font-weight:800;color:var(--brand-d);line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:49px}
.news-card__body p{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px;flex:1 1 auto}
.news-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:#8A938F;border-top:1px solid var(--line);padding-top:14px}
.news-card__meta .arrow{color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.news-card__meta .arrow i{transition:transform .22s ease}
.news-card:hover .news-card__meta .arrow i{transform:translateX(5px)}
.news-empty{grid-column:1/-1;text-align:center;padding:64px 24px;background:var(--card);border-radius:var(--r-xl);border:1px dashed #D5CEC3}
.news-empty i{font-size:40px;color:#BFC7C3;margin-bottom:16px;display:block}
.news-empty p{font-size:16px;color:var(--text-2);margin-bottom:22px}

/* ---------- faq ---------- */
.faq-wrap .accordion{border:0;background:transparent}
.faq-wrap .accordion-item{background:var(--card);border:1px solid rgba(226,221,213,.9);border-radius:var(--r-md);box-shadow:var(--sh);margin-bottom:14px;overflow:hidden;transition:box-shadow .22s ease}
.faq-wrap .accordion-item.is-active{box-shadow:var(--sh-h);border-left:4px solid var(--brand)}
.faq-wrap .accordion-title{font-size:16.5px;font-weight:700;color:var(--brand-d);padding:22px 60px 22px 24px;border:0;background:transparent;position:relative;line-height:1.6}
.faq-wrap .accordion-title:hover,.faq-wrap .accordion-title:focus{background:#FAFCFB;color:var(--brand)}
.faq-wrap .accordion-title::before{position:absolute;right:24px;top:50%;transform:translateY(-50%);font-family:"Font Awesome 6 Free";font-weight:900;content:"\2b";color:var(--brand);font-size:15px;transition:transform .25s ease}
.faq-wrap .accordion-item.is-active .accordion-title::before{content:"\f068";font-size:14px}
.faq-wrap .accordion-content{padding:0 24px 24px;border:0;background:transparent;color:var(--text-2);font-size:15.5px;line-height:1.85}
.faq-wrap .accordion-content p{margin:0}
.faq-aside h2{font-size:30px;font-weight:800;color:var(--brand-d);line-height:1.3;padding-bottom:16px;position:relative;margin-bottom:18px}
.faq-aside h2::after{content:"";position:absolute;left:0;bottom:0;width:56px;height:4px;border-radius:2px;background:var(--grad)}
.faq-aside p{font-size:16px;color:var(--text-2);line-height:1.85;margin-bottom:22px}

/* ---------- cta band ---------- */
.cta-band{background:var(--grad);border-radius:26px;padding:52px 46px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;left:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.14),transparent 68%)}
.cta-band__text{position:relative;z-index:1;max-width:640px}
.cta-band__text h2{font-size:30px;font-weight:800;color:#fff;margin-bottom:12px;line-height:1.35}
.cta-band__text p{font-size:15.5px;color:rgba(255,255,255,.85);line-height:1.8}
.cta-band__action{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn--ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.22);color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.66);padding:72px 0 0;margin-top:0}
.footer-grid{gap:40px 24px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand__mark{width:42px;height:42px;flex:0 0 42px;border-radius:13px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}
.footer-brand strong{font-size:18px;font-weight:800;color:#fff}
.footer-slogan{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);margin-bottom:20px;max-width:320px}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.7);padding:5px 0}
.footer-contact i{color:var(--brand-l);width:16px}
.footer-col h4{font-size:14px;font-weight:800;color:var(--brand-l);letter-spacing:1px;margin-bottom:18px}
.footer-col li{padding:5px 0}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{margin-top:54px;border-top:1px solid rgba(255,255,255,.1);padding:24px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom p{margin:0}
.footer-bottom .disclaimer{max-width:640px;line-height:1.75}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(11,32,30,.5);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:98}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);background:#fff;z-index:99;transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;box-shadow:-16px 0 40px rgba(11,74,70,.2)}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer__head strong{font-size:16px;font-weight:800;color:var(--brand-d)}
.drawer__close{width:40px;height:40px;border-radius:11px;border:1px solid var(--line);background:#fff;color:var(--brand);cursor:pointer;font-size:16px}
.drawer__nav{padding:12px 20px;flex:1 1 auto;overflow-y:auto}
.drawer__nav a{display:block;padding:15px 4px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line)}
.drawer__nav a.is-active{color:var(--brand-d);font-weight:800}
.drawer__foot{padding:20px;border-top:1px solid var(--line)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--w:1040px;--sec:84px}
  .hero h1{font-size:40px}
  .news-grid{grid-template-columns:repeat(3,1fr)}
  .adv__row--2,.adv__row--3{margin-left:0;max-width:100%}
  .plan-grid{gap:20px}
}
@media (max-width:991px){
  :root{--sec:74px}
  .hero{padding:60px 0 72px}
  .hero h1{font-size:34px}
  .hero__sub{font-size:16px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .plan-grid{grid-template-columns:1fr;align-items:stretch}
  .plan-card--1,.plan-card--2,.plan-card--3{min-height:auto}
  .plan-card--3{order:-1}
  .contact-grid{grid-template-columns:1fr}
  .form-card{padding:30px 24px}
  .cta-band{padding:40px 30px}
  .cta-band__text h2{font-size:25px}
  .adv__thumb{flex:0 0 170px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.75}
  :root{--sec:60px}
  .site-container{padding:0 18px}
  .grid-container.site-container{padding-left:18px;padding-right:18px}
  .channel-bar{display:none}
  .nav-toggle{display:flex}
  .brand__text strong{font-size:17px}
  .brand__text em{display:none}
  .brand__mark{width:40px;height:40px;flex:0 0 40px;font-size:17px}
  .brand-bar__actions .link-plain{display:none}
  .brand-bar__actions .btn{padding:12px 20px;font-size:14px;min-height:44px}
  .hero{padding:44px 0 56px}
  .hero h1{font-size:28px;line-height:1.32}
  .hero__sub{font-size:15.5px}
  .hero__cta{gap:12px}
  .hero__cta .btn{width:100%;min-height:50px}
  .hero__badges{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;scrollbar-width:none}
  .hero__badges::-webkit-scrollbar{display:none}
  .hero-card{margin-top:34px}
  .hero-card__media img{height:190px}
  .sec-head h2{font-size:24px}
  .sec-head p{font-size:15.5px}
  .section{padding:var(--sec) 0}
  .adv__row{padding:26px 22px;flex-wrap:wrap;gap:18px}
  .adv__num{font-size:38px;min-width:auto}
  .adv__body h3{font-size:19px}
  .adv__thumb{flex:1 1 100%}
  .adv__thumb img{height:170px}
  .plan-card{padding:28px 22px}
  .plan-price b{font-size:36px}
  .form-row{grid-template-columns:1fr;gap:0}
  .cta-band{padding:32px 22px;border-radius:20px}
  .cta-band__text h2{font-size:22px}
  .cta-band__action{width:100%}
  .cta-band__action .btn{width:100%}
  .btn{min-height:48px}
  .news-grid{grid-template-columns:1fr}
  .faq-wrap .accordion-title{font-size:15.5px;padding:18px 52px 18px 18px}
  .faq-aside h2{font-size:24px}
  .strip{padding:22px 20px;gap:18px}
  .strip__num{flex:1 1 44%;min-width:0}
  .strip__action,.strip__action .btn{width:100%}
  .site-footer{padding-top:52px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --brand:#12655F;
  --brand-d:#0B4A46;
  --brand-l:#2E8C7F;
  --accent:#E07A3F;
  --accent-d:#C25F27;
  --bg:#F4F1EB;
  --card:#FFFFFF;
  --dark:#10201E;
  --ink:#1B2423;
  --ink-2:#5A6664;
  --line:#E2DDD5;
  --ph:#E8E4DC;
  --grad:linear-gradient(135deg,#0B4A46 0%,#12655F 48%,#2E8C7F 100%);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --shadow:0 10px 30px rgba(11,74,70,.10);
  --shadow-h:0 18px 44px rgba(11,74,70,.16);
  --t:220ms ease;
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:0;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:repeating-linear-gradient(0deg,rgba(18,101,95,.035) 0 1px,transparent 1px 26px);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--t),opacity var(--t);}
a:hover{color:var(--brand-d);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--ink);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(18,101,95,.16);color:var(--brand-d);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:rgba(18,101,95,.32);border-radius:999px;border:2px solid var(--bg);}
::-webkit-scrollbar-thumb:hover{background:rgba(18,101,95,.5);}

.site-container{max-width:var(--w);padding-left:24px;padding-right:24px;margin:0 auto;}
.grid-container.site-container{max-width:var(--w);}
.section{padding:88px 0;position:relative;z-index:1;}
.section--tight{padding:64px 0;}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--line),0 6px 24px rgba(11,74,70,.05);}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:78px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand__mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:0 8px 20px rgba(11,74,70,.24);
}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__text strong{font-size:19px;font-weight:800;color:var(--brand-d);letter-spacing:.2px;}
.brand__text em{font-style:normal;font-size:12.5px;color:var(--ink-2);letter-spacing:.4px;}
.topbar__actions{display:flex;align-items:center;gap:18px;}
.text-link{font-size:14px;color:var(--ink-2);font-weight:500;}
.text-link:hover{color:var(--brand);}
.text-link i{margin-right:6px;color:var(--brand-l);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  padding:14px 26px;border-radius:999px;transition:all var(--t);text-align:center;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(11,74,70,.22);}
.btn--primary:hover{filter:brightness(1.07);transform:translateY(-2px);color:#fff;}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{background:#fff;color:var(--brand);border-color:rgba(18,101,95,.32);border-radius:12px;}
.btn--ghost:hover{border-color:var(--brand);background:rgba(18,101,95,.05);transform:translateY(-2px);}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(194,95,39,.24);}
.btn--accent:hover{background:var(--accent-d);color:#fff;transform:translateY(-2px);}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.link-arrow i{transition:transform var(--t);}
.link-arrow:hover i{transform:translateX(6px);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand-d);font-size:18px;cursor:pointer;
}
.channel-bar{border-top:1px solid var(--line);background:#fff;}
.channel-list{display:flex;align-items:center;gap:34px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:0 0 auto;}
.channel-list a{
  display:block;padding:15px 2px 14px;font-size:15px;color:var(--ink-2);font-weight:500;
  border-bottom:3px solid transparent;white-space:nowrap;
}
.channel-list a:hover{color:var(--brand);}
.channel-list a.is-active{color:var(--brand-d);font-weight:700;border-bottom-color:var(--brand);}

/* ============ Drawer ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(16,32,30,.45);opacity:0;visibility:hidden;transition:all var(--t);z-index:80;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:340px;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform var(--t);display:flex;flex-direction:column;
  box-shadow:-16px 0 40px rgba(11,74,70,.18);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line);}
.drawer__head strong{color:var(--brand-d);font-size:16px;}
.drawer__close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:16px;cursor:pointer;}
.drawer__body{padding:12px 22px;overflow-y:auto;flex:1;}
.drawer__body a{display:block;padding:14px 0;font-size:16px;color:var(--ink-2);border-bottom:1px solid var(--line);}
.drawer__body a.is-active{color:var(--brand-d);font-weight:700;}
.drawer__foot{padding:20px 22px;border-top:1px solid var(--line);}

/* ============ Page head ============ */
.page-head{
  position:relative;background:var(--grad);color:#fff;overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16) 0%,rgba(255,255,255,0) 70%);
}
.page-head__inner{position:relative;z-index:2;padding:44px 0 40px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.78);}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;}
.crumb i{font-size:10px;opacity:.7;}
.crumb__now{color:#fff;font-weight:500;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.page-head h1{
  color:#fff;font-size:38px;line-height:1.3;margin-top:18px;font-weight:800;max-width:900px;
}
.page-head__lead{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.86);max-width:760px;}

/* ============ Article layout ============ */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start;padding:56px 0 0;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:6px;}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid rgba(18,101,95,.2);color:var(--brand-d);font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;
}
.meta-chip i{color:var(--brand-l);font-size:12px;}
.meta-chip--tag{background:rgba(18,101,95,.08);border-color:transparent;}

.article-card{
  background:var(--card);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:44px 48px;
  border:1px solid rgba(226,221,213,.9);
}
.article-lead{
  margin:0 0 32px;padding:18px 22px;border-radius:var(--r-sm);
  background:rgba(18,101,95,.06);border-left:4px solid var(--brand);
  color:var(--ink-2);font-size:15.5px;line-height:1.85;
}
.article-body{font-size:17px;line-height:1.85;color:var(--ink);max-width:780px;}
.article-body > * + *{margin-top:1.2em;}
.article-body p{margin:0;}
.article-body h2{
  position:relative;font-size:27px;line-height:1.4;font-weight:800;margin-top:2em;padding-left:16px;scroll-margin-top:110px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand);}
.article-body h3{font-size:20px;font-weight:700;margin-top:1.7em;color:var(--brand-d);}
.article-body h4{font-size:17px;font-weight:700;margin-top:1.4em;}
.article-body ul,.article-body ol{padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:26px;margin:10px 0;color:var(--ink);}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:12px;width:8px;height:8px;border-radius:50%;
  background:var(--brand-l);box-shadow:0 0 0 4px rgba(46,140,127,.14);
}
.article-body ol{counter-reset:olnum;}
.article-body ol li{counter-increment:olnum;}
.article-body ol li::before{
  content:counter(olnum);position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:6px;
  background:rgba(18,101,95,.1);color:var(--brand-d);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--bg);border-left:4px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-2);font-size:16px;
}
.article-body img{border-radius:var(--r-md);margin:1.6em auto;background:var(--ph);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{margin-top:12px;text-align:center;font-size:13px;color:var(--ink-2);}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-d);}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:14.5px;margin:1.6em 0;
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.article-body thead th{background:rgba(18,101,95,.07);color:var(--brand-d);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}

.article-empty{
  text-align:center;padding:64px 24px;background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow);
  border:1px solid var(--line);
}
.article-empty i{font-size:34px;color:var(--brand-l);}
.article-empty h2{font-size:22px;margin-top:18px;}
.article-empty p{margin-top:10px;color:var(--ink-2);font-size:15px;}
.article-empty .btn{margin-top:24px;}

/* ============ Sidebar / TOC ============ */
.toc-card{
  position:sticky;top:120px;background:#fff;border-radius:var(--r-md);border:1px solid var(--line);
  box-shadow:var(--shadow);padding:22px;
}
.toc-card h2{font-size:15px;color:var(--brand-d);font-weight:800;display:flex;align-items:center;gap:8px;}
.toc-card h2 i{color:var(--brand-l);}
.toc-list{margin-top:14px;max-height:52vh;overflow-y:auto;}
.toc-list a{
  display:block;font-size:13.5px;color:var(--ink-2);padding:8px 10px;border-left:2px solid var(--line);
  line-height:1.6;transition:all var(--t);
}
.toc-list a:hover{color:var(--brand);border-left-color:var(--brand-l);background:rgba(18,101,95,.05);}
.toc-list a.is-active{color:var(--brand-d);font-weight:700;border-left-color:var(--brand);background:rgba(18,101,95,.06);}
.toc-help{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2);line-height:1.75;
}
.toc-help strong{display:block;color:var(--brand-d);font-size:14px;margin-bottom:6px;}

/* ============ Related / postnav / channels ============ */
.block-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.block-title h2{font-size:28px;font-weight:800;position:relative;padding-left:16px;}
.block-title h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand);}
.block-title p{font-size:14px;color:var(--ink-2);}

.card{
  background:var(--card);border-radius:var(--r-lg);border:1px solid rgba(226,221,213,.9);
  box-shadow:var(--shadow);overflow:hidden;transition:transform var(--t),box-shadow var(--t);height:100%;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);}
.card__media{position:relative;aspect-ratio:16/9;background:var(--ph);overflow:hidden;}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform 360ms ease;}
.card:hover .card__media img{transform:scale(1.04);}
.card__badge{
  position:absolute;left:14px;top:14px;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--brand-d);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;box-shadow:0 6px 16px rgba(11,74,70,.14);
}
.card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card__body h3{font-size:18px;line-height:1.5;font-weight:700;}
.card__body h3 a{color:var(--ink);}
.card__body h3 a:hover{color:var(--brand);}
.card__text{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;}

.postnav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px;}
.postnav__item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 22px;
  display:flex;flex-direction:column;gap:6px;transition:all var(--t);
}
.postnav__item:hover{border-color:var(--brand-l);box-shadow:var(--shadow);transform:translateY(-3px);}
.postnav__item span{font-size:12.5px;color:var(--ink-2);}
.postnav__item strong{font-size:15.5px;color:var(--ink);font-weight:700;}
.postnav__item--next{text-align:right;}

.channel-back{
  margin-top:28px;background:var(--grad);color:#fff;border-radius:var(--r-lg);padding:26px 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  box-shadow:0 14px 34px rgba(11,74,70,.2);
}
.channel-back h3{color:#fff;font-size:19px;font-weight:800;}
.channel-back p{color:rgba(255,255,255,.82);font-size:13.5px;margin-top:6px;}
.channel-back .btn--ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5);}
.channel-back .btn--ghost:hover{background:#fff;color:var(--brand-d);}

/* ============ FAQ ============ */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);margin-bottom:14px;overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:rgba(18,101,95,.35);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--brand);transition:transform var(--t);}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-item__body{padding:0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  background:var(--dark);color:#fff;border-radius:var(--r-lg);padding:44px 48px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,140,127,.35) 0%,rgba(46,140,127,0) 70%);
}
.cta-band__inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-band h2{color:#fff;font-size:28px;font-weight:800;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin-top:10px;max-width:640px;}
.cta-band .btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-band .btn--ghost:hover{background:#fff;color:var(--brand-d);}

/* ============ Footer ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:96px;position:relative;z-index:1;}
.footer-grid{padding:64px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-brand__mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.footer-brand strong{color:#fff;font-size:18px;font-weight:800;}
.footer-slogan{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:360px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.footer-contact li{font-size:13.5px;display:flex;align-items:center;gap:9px;color:rgba(255,255,255,.66);}
.footer-contact i{color:var(--brand-l);}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);display:inline-block;transition:all var(--t);}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 34px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.56);}
.disclaimer{max-width:760px;line-height:1.75;}

/* ============ Responsive ============ */
@media screen and (max-width:1199px){
  .site-container{max-width:1040px;}
  .page-head h1{font-size:34px;}
}
@media screen and (max-width:991px){
  .article-wrap{grid-template-columns:1fr;gap:32px;padding-top:44px;}
  .toc-card{position:static;}
  .article-card{padding:34px 28px;}
  .section{padding:72px 0;}
  .page-head h1{font-size:31px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;line-height:1.75;}
  .topbar__inner{min-height:64px;}
  .brand__text em{display:none;}
  .brand__text strong{font-size:17px;}
  .topbar__actions .text-link{display:none;}
  .topbar__actions .btn--primary{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .channel-bar{display:none;}
  .page-head__inner{padding:32px 0 30px;}
  .page-head h1{font-size:27px;}
  .page-head__lead{font-size:14.5px;}
  .article-card{padding:26px 20px;border-radius:var(--r-md);}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .block-title{flex-direction:column;align-items:flex-start;gap:10px;}
  .block-title h2{font-size:23px;}
  .postnav{grid-template-columns:1fr;}
  .postnav__item--next{text-align:left;}
  .channel-back{padding:22px 22px;}
  .cta-band{padding:32px 24px;border-radius:var(--r-md);}
  .cta-band h2{font-size:23px;}
  .cta-band .btn{width:100%;min-height:48px;}
  .section{padding:56px 0;}
  .site-footer{margin-top:64px;}
  .footer-grid{padding:48px 0 28px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#12655F;
  --brand-deep:#0B4A46;
  --brand-light:#2E8C7F;
  --accent:#E07A3F;
  --accent-deep:#C25F27;
  --bg:#F4F1EB;
  --card:#FFFFFF;
  --dark:#10201E;
  --text:#1B2423;
  --muted:#5A6664;
  --line:#E2DDD5;
  --ph:#E8E4DC;
  --grad:linear-gradient(135deg,#0B4A46 0%,#12655F 48%,#2E8C7F 100%);
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow-sm:0 6px 18px rgba(11,74,70,.07);
  --shadow-card:0 10px 30px rgba(11,74,70,.10);
  --shadow-hover:0 18px 44px rgba(11,74,70,.16);
  --ease:220ms ease;
}

/* ---------- reset / base ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(18,101,95,.05) 1px,transparent 1px);
  background-size:22px 22px;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;text-underline-offset:4px;}
a:hover{color:var(--brand-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:0;color:var(--text);}
h1{font-size:44px;line-height:1.25;font-weight:800;}
h2{font-size:32px;line-height:1.3;font-weight:800;}
h3{font-size:22px;line-height:1.4;}
h4{font-size:17px;line-height:1.5;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid var(--brand-light);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(18,101,95,.18);color:var(--brand-deep);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:rgba(18,101,95,.28);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:rgba(18,101,95,.45);}

/* ---------- layout ---------- */
.site-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{position:relative;padding-left:18px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:5px;border-radius:999px;background:var(--grad);
}
.section-head .lead{margin-top:14px;color:var(--muted);font-size:16.5px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head--center h2{padding-left:0;}
.section-head--center h2::before{position:static;display:inline-block;width:44px;height:5px;margin-right:0;margin-bottom:14px;vertical-align:middle;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;box-shadow:0 1px 0 var(--line),0 10px 28px rgba(11,74,70,.05);}
.brand-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px;padding-top:12px;padding-bottom:12px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand__mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:19px;
  box-shadow:0 8px 20px rgba(11,74,70,.22);
}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__text strong{font-size:19px;font-weight:800;color:var(--brand-deep);letter-spacing:.2px;}
.brand__text em{font-style:normal;font-size:12.5px;color:var(--muted);letter-spacing:.3px;}
.brand-right{display:flex;align-items:center;gap:16px;}
.brand-note{font-size:13.5px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;}
.brand-note i{color:var(--brand-light);}
.link-quiet{font-size:14.5px;font-weight:600;color:var(--muted);}
.link-quiet:hover{color:var(--brand-deep);}
.nav-toggle{
  display:none;align-items:center;gap:8px;height:44px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--brand-deep);font-weight:700;font-size:14px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand-light);}

.channel-bar{background:#fff;border-top:1px solid var(--line);}
.channel-list{display:flex;gap:30px;overflow-x:auto;scrollbar-width:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:0 0 auto;}
.channel-list a{
  display:block;padding:14px 2px 12px;font-size:15px;font-weight:600;color:var(--muted);
  border-bottom:3px solid transparent;transition:color var(--ease),border-color var(--ease);
}
.channel-list a:hover{color:var(--brand-deep);border-bottom-color:rgba(18,101,95,.28);}
.channel-list a.is-active{color:var(--brand-deep);font-weight:800;border-bottom-color:var(--brand);}

.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);background:#fff;z-index:120;
  transform:translateX(102%);transition:transform 260ms ease;box-shadow:-18px 0 44px rgba(11,74,70,.18);
  display:flex;flex-direction:column;padding:22px;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.nav-drawer__head strong{color:var(--brand-deep);font-size:16px;}
.nav-drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--muted);cursor:pointer;}
.nav-drawer__list{margin-top:18px;display:flex;flex-direction:column;gap:6px;flex:1;}
.nav-drawer__list a{display:block;padding:14px 12px;border-radius:12px;font-weight:600;color:var(--text);}
.nav-drawer__list a:hover,.nav-drawer__list a.is-active{background:rgba(18,101,95,.08);color:var(--brand-deep);}
.nav-drawer__cta{margin-top:auto;}
.drawer-mask{position:fixed;inset:0;background:rgba(16,32,30,.42);opacity:0;visibility:hidden;transition:opacity 260ms ease;z-index:110;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;cursor:pointer;font-weight:700;font-size:15.5px;
  border-radius:999px;transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),background var(--ease),color var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(11,74,70,.26);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(11,74,70,.32);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--brand-deep);border:1px solid rgba(18,101,95,.35);border-radius:12px;}
.btn-ghost:hover{border-color:var(--brand);background:rgba(18,101,95,.06);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#fff;border-radius:999px;box-shadow:0 12px 24px rgba(194,95,39,.28);}
.btn-accent:hover{background:var(--accent-deep);transform:translateY(-2px);color:#fff;}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;}
.btn-block{width:100%;}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--brand-deep);}
.link-arrow i{transition:transform var(--ease);font-size:13px;}
.link-arrow:hover i{transform:translateX(6px);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid rgba(18,101,95,.2);color:var(--brand-deep);
  font-size:13px;font-weight:700;letter-spacing:.2px;
}
.badge--accent{border-color:rgba(194,95,39,.32);color:var(--accent-deep);}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.82);}
.crumb a{color:rgba(255,255,255,.92);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb i{font-size:10px;opacity:.7;}

/* ---------- hero ---------- */
.channel-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(135deg,rgba(11,74,70,.86) 0%,rgba(18,101,95,.74) 46%,rgba(46,140,127,.6) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.channel-hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.14) 0%,rgba(255,255,255,0) 68%);pointer-events:none;
}
.channel-hero__inner{position:relative;z-index:2;padding:56px 0 62px;max-width:820px;}
.channel-hero h1{color:#fff;margin:18px 0 16px;font-size:40px;}
.channel-hero .hero-sub{font-size:17.5px;line-height:1.85;color:rgba(255,255,255,.92);max-width:680px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.stat-pill{
  background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.6);border-radius:999px;
  padding:10px 18px;display:flex;align-items:baseline;gap:8px;box-shadow:0 10px 24px rgba(6,38,36,.18);
}
.stat-pill b{font-size:22px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1;}
.stat-pill span{font-size:13px;color:var(--muted);}

/* ---------- filter tabs ---------- */
.filter-bar{background:#fff;border-bottom:1px solid var(--line);}
.filter-inner{display:flex;align-items:center;gap:14px;padding:18px 0;}
.filter-label{font-size:13.5px;font-weight:700;color:var(--muted);flex:0 0 auto;}
.filter-tags{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;}
.filter-tags::-webkit-scrollbar{display:none;}
.filter-tags a{
  flex:0 0 auto;height:38px;display:inline-flex;align-items:center;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--muted);font-size:14px;font-weight:600;
  transition:all var(--ease);
}
.filter-tags a:hover{border-color:var(--brand-light);color:var(--brand-deep);transform:translateY(-2px);}
.filter-tags a.is-active{background:rgba(18,101,95,.1);border-color:rgba(18,101,95,.32);color:var(--brand-deep);font-weight:800;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0;}
.tl-item{position:relative;padding-left:74px;padding-bottom:38px;}
.tl-item::before{
  content:"";position:absolute;left:23px;top:52px;bottom:-6px;width:2px;
  background:linear-gradient(180deg,rgba(18,101,95,.32),rgba(18,101,95,.06));
}
.tl-item:last-child{padding-bottom:0;}
.tl-item:last-child::before{display:none;}
.tl-node{
  position:absolute;left:0;top:6px;width:48px;height:48px;border-radius:16px;background:#fff;
  border:1px solid rgba(18,101,95,.24);color:var(--brand-deep);font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-sm);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-card);transition:transform var(--ease),box-shadow var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.tl-media{display:block;border-radius:var(--radius-md);overflow:hidden;background:var(--ph);}
.tl-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 400ms ease;}
.tl-card:hover .tl-media img{transform:scale(1.03);}
.tl-body h3{margin:14px 0 10px;}
.tl-body p{color:var(--muted);font-size:15.5px;}
.tl-points{margin:14px 0 18px;display:grid;gap:8px;}
.tl-points li{position:relative;padding-left:22px;font-size:15px;color:var(--muted);}
.tl-points li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--brand-light);
  position:absolute;left:0;top:1px;font-size:12px;
}
.tl-meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:12px;font-size:13.5px;color:var(--muted);}
.tl-meta span{display:inline-flex;align-items:center;gap:6px;}

/* ---------- compact list ---------- */
.compact-list{margin-top:22px;display:grid;gap:14px;}
.compact-item{
  display:flex;align-items:center;gap:18px;padding:20px 22px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.compact-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,101,95,.28);}
.compact-icon{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;background:rgba(18,101,95,.09);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:19px;
}
.compact-main{flex:1;min-width:0;}
.compact-main h4{font-size:16.5px;font-weight:700;}
.compact-main p{color:var(--muted);font-size:14.5px;margin:4px 0 0;}
.compact-meta{flex:0 0 auto;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.compact-go{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand-deep);
  transition:all var(--ease);
}
.compact-item:hover .compact-go{background:var(--grad);border-color:transparent;color:#fff;}

/* ---------- steps ---------- */
.steps{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 24px;position:relative;transition:transform var(--ease),box-shadow var(--ease),background var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);background:#fff;}
.step-num{
  font-size:34px;font-weight:800;color:transparent;-webkit-text-stroke:1.4px rgba(18,101,95,.55);
  line-height:1;margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{color:var(--muted);font-size:14.5px;}

/* ---------- accordion / faq ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start;}
.faq-aside p{color:var(--muted);margin-top:14px;}
.faq-side-card{
  margin-top:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-sm);
}
.faq-side-card h4{color:var(--brand-deep);margin-bottom:8px;}
.faq-side-card p{font-size:14.5px;color:var(--muted);}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:rgba(18,101,95,.34);box-shadow:var(--shadow-sm);border-left:4px solid var(--brand);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;font-weight:700;font-size:16px;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\2b";font-family:inherit;font-weight:700;color:var(--brand);font-size:20px;line-height:1;
  flex:0 0 auto;transition:transform var(--ease);
}
.faq-item[open] summary::after{content:"\2212";transform:rotate(180deg);}
.faq-item .faq-body{padding:0 22px 22px;color:var(--muted);font-size:15.5px;}

/* ---------- channel links ---------- */
.channel-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.channel-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-card);transition:transform var(--ease),box-shadow var(--ease);
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.channel-card__media{background:var(--ph);}
.channel-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.channel-card__body{padding:22px 24px 24px;}
.channel-card__body h3{font-size:19px;margin-bottom:8px;}
.channel-card__body p{color:var(--muted);font-size:14.5px;margin-bottom:14px;}

/* ---------- cta band ---------- */
.cta-band{background:var(--dark);color:#fff;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;width:560px;height:560px;left:-160px;bottom:-320px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,140,127,.4) 0%,rgba(46,140,127,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:64px 0;}
.cta-inner h2{color:#fff;font-size:30px;}
.cta-inner p{color:rgba(255,255,255,.76);margin-top:12px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:72px 0 32px;margin-top:0;}
.footer-grid{row-gap:32px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand__mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;
}
.footer-brand strong{color:#fff;font-size:18px;font-weight:800;}
.footer-slogan{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-contact{margin-top:18px;display:grid;gap:10px;font-size:14px;}
.footer-contact i{color:var(--brand-light);margin-right:8px;}
.footer-col h4{color:var(--brand-light);font-size:14px;font-weight:800;margin-bottom:16px;letter-spacing:.4px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color var(--ease),transform var(--ease);}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom .disclaimer{max-width:640px;}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .site-container{max-width:1040px;}
  h1{font-size:40px;}
  .channel-hero h1{font-size:36px;}
  .step-grid{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:991px){
  .section{padding:72px 0;}
  h2{font-size:28px;}
  .brand-note{display:none;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .channel-cards{grid-template-columns:repeat(2,1fr);}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:56px 0;}
  .tl-item{padding-left:0;padding-bottom:28px;}
  .tl-item::before{display:none;}
  .tl-node{position:static;margin-bottom:14px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;line-height:1.75;}
  h1{font-size:28px;}
  h2{font-size:24px;}
  .site-container{padding-left:18px;padding-right:18px;}
  .link-quiet{display:none;}
  .brand__text em{display:none;}
  .nav-toggle{display:inline-flex;}
  .channel-bar{display:none;}
  .section{padding:56px 0;}
  .channel-hero__inner{padding:40px 0 46px;}
  .channel-hero h1{font-size:28px;}
  .channel-hero .hero-sub{font-size:16px;}
  .hero-stats{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:4px;}
  .hero-stats::-webkit-scrollbar{display:none;}
  .stat-pill{flex:0 0 auto;}
  .filter-inner{flex-direction:column;align-items:flex-start;gap:10px;padding:16px 0;}
  .filter-tags{width:100%;}
  .compact-item{flex-wrap:wrap;gap:12px;padding:18px;}
  .compact-meta{order:3;}
  .compact-go{order:4;}
  .step-grid{grid-template-columns:1fr;}
  .channel-cards{grid-template-columns:1fr;}
  .cta-actions .btn{width:100%;}
  .btn{min-height:48px;}
  .site-footer{padding:56px 0 28px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand:#12655F;
  --brand-dark:#0B4A46;
  --brand-light:#2E8C7F;
  --accent:#E07A3F;
  --accent-dark:#C25F27;
  --bg:#F4F1EB;
  --card:#FFFFFF;
  --dark:#10201E;
  --text:#1B2423;
  --muted:#5A6664;
  --line:#E2DDD5;
  --ph:#E8E4DC;
  --grad:linear-gradient(135deg,#0B4A46 0%,#12655F 48%,#2E8C7F 100%);
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(11,74,70,.10);
  --shadow-hover:0 18px 44px rgba(11,74,70,.16);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;border-radius:16px;}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
::selection{background:rgba(18,101,95,.18);color:var(--brand-dark);}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:rgba(18,101,95,.35);border-radius:8px;}
::-webkit-scrollbar-thumb:hover{background:rgba(18,101,95,.55);}
:focus-visible{outline:3px solid rgba(224,122,63,.65);outline-offset:3px;}

.site-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  border:none;
  cursor:pointer;
  font-family:inherit;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
}
.btn--primary{
  background:var(--grad);
  color:#fff;
  border-radius:999px;
  padding:16px 32px;
  box-shadow:0 8px 22px rgba(11,74,70,.22);
}
.btn--primary:hover{
  color:#fff;
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:0 14px 32px rgba(11,74,70,.28);
}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{
  background:#fff;
  color:var(--brand);
  border:1px solid rgba(18,101,95,.35);
  border-radius:12px;
  padding:14px 26px;
}
.btn--ghost:hover{
  color:var(--brand-dark);
  border-color:var(--brand);
  background:rgba(18,101,95,.06);
  transform:translateY(-2px);
}
.btn--text{
  background:none;
  color:var(--brand);
  padding:14px 4px;
  font-weight:700;
}
.btn--text i{transition:transform .22s ease;}
.btn--text:hover{color:var(--brand-dark);}
.btn--text:hover i{transform:translateX(6px);}
.btn--accent{
  background:var(--accent);
  color:#fff;
  border-radius:999px;
  padding:16px 32px;
  box-shadow:0 8px 22px rgba(194,95,39,.26);
}
.btn--accent:hover{color:#fff;background:var(--accent-dark);transform:translateY(-2px);}
.btn--sm{padding:12px 24px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ============ 头部 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:78px;
}
.brand{
  display:flex;
  align-items:center;
  gap:14px;
  color:inherit;
}
.brand:hover{color:inherit;}
.brand__mark{
  width:46px;
  height:46px;
  border-radius:14px;
  background:var(--grad);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  flex:0 0 auto;
}
.brand__text strong{
  display:block;
  font-size:19px;
  font-weight:800;
  color:var(--brand-dark);
  line-height:1.3;
  letter-spacing:.2px;
}
.brand__text em{
  display:block;
  font-style:normal;
  font-size:12.5px;
  color:var(--muted);
  line-height:1.5;
}
.topbar-actions{
  display:flex;
  align-items:center;
  gap:18px;
}
.topbar-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  color:var(--muted);
}
.topbar-link i{color:var(--brand);}
.topbar-link:hover{color:var(--brand);}

.channel-bar{
  background:#fff;
  border-top:1px solid var(--line);
}
.channel-list{
  display:flex;
  align-items:stretch;
  gap:2px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list li{flex:0 0 auto;}
.channel-list a{
  display:block;
  padding:16px 20px;
  font-size:15px;
  color:var(--muted);
  border-bottom:3px solid transparent;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.channel-list a:hover{
  color:var(--brand);
  background:rgba(18,101,95,.05);
}
.channel-list a.is-active{
  color:var(--brand-dark);
  font-weight:800;
  border-bottom-color:var(--brand);
}

.nav-toggle{
  display:none;
  width:46px;
  height:46px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--brand-dark);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-drawer{display:none;}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(11,74,70,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
  z-index:55;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 分类 Hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:70px 0 78px;
  color:#fff;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  background-color:#0B4A46;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(11,74,70,.92) 0%,rgba(18,101,95,.82) 48%,rgba(46,140,127,.68) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  width:560px;
  height:560px;
  right:-140px;
  top:-200px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16) 0%,rgba(255,255,255,0) 68%);
  pointer-events:none;
}
.page-hero > .site-container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.78);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.92);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{color:rgba(255,255,255,.5);}
.page-hero h1{
  font-size:44px;
  line-height:1.22;
  font-weight:800;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.page-hero__lead{
  max-width:680px;
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.9);
  margin-bottom:28px;
}
.hero-badges{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:6px;
  margin-bottom:32px;
  scrollbar-width:none;
}
.hero-badges::-webkit-scrollbar{display:none;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  flex:0 0 auto;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  background:#fff;
  border:1px solid rgba(18,101,95,.2);
  font-size:13.5px;
  color:var(--muted);
  white-space:nowrap;
}
.badge b{
  color:var(--brand);
  font-size:16px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.page-hero__actions{
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
}
.page-hero .btn--text{color:#fff;}
.page-hero .btn--text:hover{color:rgba(255,255,255,.82);}

/* ============ 板块 ============ */
.section{padding:88px 0;}
.section--soft{background:#fff;}
.section-title{
  font-size:32px;
  line-height:1.3;
  font-weight:800;
  color:var(--brand-dark);
  margin-bottom:16px;
  letter-spacing:-.2px;
}
.section-title::after{
  content:"";
  display:block;
  width:56px;
  height:4px;
  border-radius:2px;
  background:var(--brand);
  margin-top:16px;
}
.section-lead{
  font-size:16.5px;
  line-height:1.9;
  color:var(--muted);
  max-width:760px;
  margin-bottom:44px;
}

/* ============ 筛选标签 ============ */
.filter-bar{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:38px;
}
.chip{
  padding:10px 22px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  color:var(--muted);
  cursor:pointer;
  transition:all .2s ease;
  font-family:inherit;
}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.is-active{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
  font-weight:700;
}

/* ============ 双列大卡 ============ */
.card-duo{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}
.big-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:#fff;
  border:1px solid rgba(226,221,213,.9);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.big-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.big-card__media{
  position:relative;
  aspect-ratio:16/9;
  background:var(--ph);
  overflow:hidden;
}
.big-card__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .4s ease;
}
.big-card:hover .big-card__media img{transform:scale(1.04);}
.tag{
  position:absolute;
  top:16px;
  left:16px;
  padding:6px 15px;
  border-radius:999px;
  background:rgba(255,255,255,.96);
  color:var(--brand);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.2px;
}
.big-card__body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:26px 28px 28px;
}
.big-card__body h3{
  font-size:22px;
  line-height:1.4;
  font-weight:800;
  color:var(--brand-dark);
  margin-bottom:12px;
}
.big-card__body p{
  font-size:15.5px;
  line-height:1.9;
  color:var(--muted);
  margin-bottom:20px;
}
.card-badges{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:auto;
  margin-bottom:20px;
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:700;
  color:var(--brand);
}
.card-link i{transition:transform .22s ease;}
.card-link:hover{color:var(--brand-dark);}
.card-link:hover i{transform:translateX(6px);}

/* ============ 适用场景 ============ */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.scene-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 28px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(18,101,95,.3);
}
.scene-card__icon{
  width:54px;
  height:54px;
  border-radius:16px;
  background:rgba(18,101,95,.1);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  margin-bottom:20px;
}
.scene-card h3{
  font-size:19px;
  line-height:1.4;
  font-weight:800;
  color:var(--brand-dark);
  margin-bottom:10px;
}
.scene-card p{
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
}

/* ============ 流程 ============ */
.flow{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
}
.flow-step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 26px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.flow-step__num{
  font-size:44px;
  line-height:1;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:1.5px var(--brand);
  margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{
  font-size:18px;
  line-height:1.4;
  font-weight:800;
  color:var(--brand-dark);
  margin-bottom:10px;
}
.flow-step p{
  font-size:14.8px;
  line-height:1.9;
  color:var(--muted);
}

/* ============ FAQ ============ */
.faq-grid{margin-left:-14px;margin-right:-14px;}
.faq-grid > .cell{padding-left:14px;padding-right:14px;}
.faq-aside h2{
  font-size:30px;
  line-height:1.3;
  font-weight:800;
  color:var(--brand-dark);
  margin-bottom:16px;
}
.faq-aside h2::after{
  content:"";
  display:block;
  width:56px;
  height:4px;
  border-radius:2px;
  background:var(--brand);
  margin-top:16px;
}
.faq-aside p{
  font-size:15.5px;
  line-height:1.9;
  color:var(--muted);
  margin-top:22px;
  margin-bottom:26px;
}
.faq-contact{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:22px;
  box-shadow:var(--shadow);
}
.faq-contact strong{
  display:block;
  font-size:15px;
  color:var(--brand-dark);
  margin-bottom:8px;
}
.faq-contact span{
  display:block;
  font-size:13.8px;
  line-height:1.8;
  color:var(--muted);
}
.accordion{
  background:transparent;
  border:none;
  border-radius:0;
  margin:0;
}
.accordion .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.accordion .accordion-item.is-active{
  border-left-color:var(--brand);
  box-shadow:var(--shadow);
}
.accordion .accordion-title{
  display:block;
  padding:20px 58px 20px 24px;
  font-size:16.5px;
  font-weight:700;
  line-height:1.6;
  color:var(--brand-dark);
  background:transparent;
  border:none;
  position:relative;
}
.accordion .accordion-title:hover{
  background:rgba(18,101,95,.05);
  color:var(--brand);
}
.accordion .accordion-title::before{
  content:"+";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--brand);
  margin:0;
  width:auto;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"−";}
.accordion .accordion-content{
  padding:0 24px 22px;
  border:none;
  background:transparent;
  font-size:15.3px;
  line-height:1.95;
  color:var(--muted);
}

/* ============ 频道卡 ============ */
.channel-cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.channel-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
  color:inherit;
}
.channel-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  color:inherit;
}
.channel-card__icon{
  width:48px;
  height:48px;
  border-radius:14px;
  background:rgba(18,101,95,.1);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
}
.channel-card h3{
  font-size:18px;
  font-weight:800;
  line-height:1.4;
  color:var(--brand-dark);
}
.channel-card p{
  font-size:14.8px;
  line-height:1.85;
  color:var(--muted);
}
.channel-card .card-link{margin-top:6px;}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 92px;}
.cta-band{
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  background:var(--grad);
  border-radius:var(--radius-lg);
  padding:50px 52px;
  color:#fff;
  box-shadow:0 20px 50px rgba(11,74,70,.22);
}
.cta-band::after{
  content:"";
  position:absolute;
  width:420px;
  height:420px;
  right:-120px;
  bottom:-220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16) 0%,rgba(255,255,255,0) 70%);
  pointer-events:none;
}
.cta-band__text{position:relative;z-index:2;max-width:660px;}
.cta-band__text h2{
  font-size:28px;
  line-height:1.35;
  font-weight:800;
  margin-bottom:14px;
}
.cta-band__text p{
  font-size:15.6px;
  line-height:1.9;
  color:rgba(255,255,255,.88);
}
.cta-band__action{position:relative;z-index:2;flex:0 0 auto;}
.cta-band .btn--accent{background:#fff;color:var(--brand-dark);box-shadow:0 10px 26px rgba(0,0,0,.16);}
.cta-band .btn--accent:hover{background:rgba(255,255,255,.92);color:var(--brand-dark);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:74px 0 30px;
}
.footer-grid{
  padding-bottom:42px;
  border-bottom:1px solid rgba(255,255,255,.12);
  margin-left:-14px;
  margin-right:-14px;
}
.footer-grid > .cell{
  padding-left:14px;
  padding-right:14px;
  margin-bottom:34px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.footer-brand__mark{
  width:40px;
  height:40px;
  border-radius:12px;
  background:var(--grad);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:17px;
  flex:0 0 auto;
}
.footer-brand strong{font-size:18px;color:#fff;font-weight:800;}
.footer-slogan{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.66);
  max-width:340px;
  margin-bottom:20px;
}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.6px;
  color:rgba(255,255,255,.68);
}
.footer-contact i{color:var(--brand-light);width:16px;text-align:center;}
.footer-col h4{
  font-size:14px;
  font-weight:800;
  letter-spacing:.6px;
  color:var(--brand-light);
  margin-bottom:18px;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-col a{
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{
  color:#fff;
  transform:translateX(2px);
}
.footer-bottom{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding-top:26px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom p{margin:0;}
.disclaimer{max-width:620px;line-height:1.8;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .site-container{max-width:1040px;}
  .flow{grid-template-columns:repeat(3,minmax(0,1fr));}
}

@media (max-width:991px){
  .nav-toggle{display:flex;}
  .channel-bar{display:none;}
  .mobile-drawer{
    display:flex;
    flex-direction:column;
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:min(340px,86vw);
    background:#fff;
    padding:96px 24px 28px;
    z-index:60;
    transform:translateX(100%);
    transition:transform .3s ease;
    box-shadow:-14px 0 44px rgba(11,74,70,.18);
    overflow-y:auto;
  }
  .mobile-drawer.is-open{transform:translateX(0);}
  .mobile-drawer ul{
    display:flex;
    flex-direction:column;
    gap:4px;
    margin-bottom:26px;
  }
  .mobile-drawer a.drawer-link{
    display:block;
    padding:14px 16px;
    border-radius:var(--radius-sm);
    font-size:15.5px;
    color:var(--muted);
  }
  .mobile-drawer a.drawer-link:hover{background:rgba(18,101,95,.07);color:var(--brand);}
  .mobile-drawer a.drawer-link.is-active{
    background:rgba(18,101,95,.1);
    color:var(--brand-dark);
    font-weight:800;
  }
  .mobile-drawer .btn{width:100%;}
  .card-duo{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .channel-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .page-hero h1{font-size:36px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:42px 38px;}
}

@media (max-width:767px){
  body{font-size:16px;line-height:1.75;}
  .site-container{padding-left:18px;padding-right:18px;}
  .brand__text em{display:none;}
  .topbar-inner{min-height:66px;}
  .topbar-actions .topbar-link{display:none;}
  .page-hero{padding:46px 0 54px;}
  .page-hero h1{font-size:29px;}
  .page-hero__lead{font-size:16px;}
  .section{padding:56px 0;}
  .section-title{font-size:25px;}
  .section-lead{font-size:15.5px;margin-bottom:32px;}
  .card-duo{gap:20px;}
  .scene-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .channel-cards{grid-template-columns:1fr;}
  .faq-aside h2{font-size:24px;}
  .big-card__body{padding:22px 22px 24px;}
  .big-card__body h3{font-size:19.5px;}
  .cta-wrap{padding-bottom:60px;}
  .cta-band{padding:32px 26px;border-radius:18px;}
  .cta-band__text h2{font-size:22px;}
  .cta-band__action{width:100%;}
  .cta-band .btn{width:100%;}
  .site-footer{padding:56px 0 26px;}
  .footer-bottom{flex-direction:column;gap:12px;}
}

@media (max-width:520px){
  .page-hero__actions{flex-direction:column;align-items:stretch;gap:12px;}
  .page-hero__actions .btn{width:100%;}
  .brand__mark{width:40px;height:40px;font-size:17px;}
  .brand__text strong{font-size:17px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .big-card:hover,.scene-card:hover,.flow-step:hover,.channel-card:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --brand:#12655F;
  --brand-dark:#0B4A46;
  --brand-light:#2E8C7F;
  --accent:#E07A3F;
  --accent-dark:#C25F27;
  --bg:#F4F1EB;
  --card:#FFFFFF;
  --dark:#10201E;
  --text:#1B2423;
  --muted:#5A6664;
  --line:#E2DDD5;
  --placeholder:#E8E4DC;
  --grad:linear-gradient(135deg,#0B4A46 0%,#12655F 48%,#2E8C7F 100%);
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(11,74,70,.10);
  --shadow-hover:0 18px 44px rgba(11,74,70,.16);
  --container:1200px;
  --ease:220ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg);
  background-image:repeating-linear-gradient(0deg,rgba(18,101,95,.028) 0 1px,transparent 1px 8px);
}
img{max-width:100%;display:block;border-radius:16px;background:var(--placeholder)}
a{color:var(--brand);text-decoration:none;text-underline-offset:3px;transition:color var(--ease),transform var(--ease)}
a:hover{color:var(--brand-dark);text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;line-height:1.32;letter-spacing:0;color:var(--text)}
h1{font-size:44px;line-height:1.25}
h2{font-size:32px;line-height:1.3}
h3{font-size:22px;line-height:1.4;font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(224,122,63,.85);outline-offset:2px;border-radius:6px}
::selection{background:rgba(18,101,95,.16);color:var(--brand-dark)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#ECE7DE}
::-webkit-scrollbar-thumb{background:rgba(18,101,95,.35);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(18,101,95,.55)}

.site-container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
@media (min-width:992px) and (max-width:1199px){.site-container{max-width:1040px}}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border:none;border-radius:999px;
  font-size:15.5px;font-weight:700;letter-spacing:.2px;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),background var(--ease);
  text-decoration:none!important;white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(11,74,70,.24)}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(11,74,70,.28);color:#fff}
.btn--primary:active{transform:translateY(1px)}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 10px 26px rgba(194,95,39,.26)}
.btn--accent:hover{background:var(--accent-dark);transform:translateY(-2px);color:#fff}
.btn--ghost{background:#fff;color:var(--brand);border:1px solid rgba(18,101,95,.45);border-radius:var(--radius-sm)}
.btn--ghost:hover{background:rgba(18,101,95,.06);transform:translateY(-2px);color:var(--brand-dark)}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px}
.btn--wide{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--brand)}
.link-arrow i{transition:transform var(--ease)}
.link-arrow:hover i{transform:translateX(6px)}

/* ============ 数据徽章 ============ */
.badge-row{display:flex;gap:10px;flex-wrap:wrap}
.badge-row--scroll{overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none;padding-bottom:4px}
.badge-row--scroll::-webkit-scrollbar{display:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;
  border:1px solid rgba(18,101,95,.20);background:#fff;border-radius:999px;
  font-size:13px;color:var(--muted);white-space:nowrap;
}
.badge b{color:var(--brand);font-size:15px;font-weight:800;font-variant-numeric:tabular-nums}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(18,101,95,.10);color:var(--brand-dark);font-size:12.5px;font-weight:700;
}
.tag--accent{background:rgba(224,122,63,.14);color:var(--accent-dark)}

/* ============ 顶部品牌行 / 频道行 ============ */
.site-header{position:relative;z-index:80;background:#fff;box-shadow:0 2px 14px rgba(11,74,70,.06)}
.brand-bar{padding:14px 0;border-bottom:1px solid var(--line)}
.brand-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none!important}
.brand__mark{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:19px;flex:0 0 auto;
  box-shadow:0 8px 20px rgba(11,74,70,.24);
}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__text strong{font-size:19px;font-weight:800;color:var(--brand-dark);letter-spacing:.2px}
.brand__text em{font-style:normal;font-size:12.5px;color:var(--muted)}
.brand-bar__actions{display:flex;align-items:center;gap:16px}
.header-note{font-size:13.5px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.header-note i{color:var(--brand)}
.header-link{font-size:14.5px;font-weight:700;color:var(--brand)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:12px;color:var(--brand);font-size:18px;cursor:pointer;
}
.channel-bar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:70}
.channel-list{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.channel-list li{flex:0 0 auto}
.channel-list a{
  display:inline-block;padding:15px 4px;margin-right:26px;font-size:16px;font-weight:600;color:var(--muted);
  border-bottom:3px solid transparent;text-decoration:none!important;
}
.channel-list a:hover{color:var(--brand);border-bottom-color:rgba(18,101,95,.32)}
.channel-list a.is-active{color:var(--brand-dark);font-weight:800;border-bottom-color:var(--brand)}
.nav-backdrop{display:none}

/* ============ 分类 Hero ============ */
.sub-hero{position:relative;overflow:hidden;background:#0B4A46;min-height:390px;display:flex;align-items:center}
.sub-hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.5}
.sub-hero::after{
  content:"";position:absolute;inset:0;
  background-image:var(--grad),radial-gradient(circle at 82% 18%,rgba(255,255,255,.10) 0 22%,transparent 60%);
  opacity:.86;
}
.sub-hero__inner{position:relative;z-index:2;padding:64px 0 58px;color:#fff;max-width:820px}
.sub-hero h1{color:#fff;font-size:38px;margin-bottom:14px}
.sub-hero__lead{font-size:17px;line-height:1.8;color:rgba(255,255,255,.9);max-width:640px;margin-bottom:22px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.82);margin-bottom:18px;flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.86);text-decoration:none}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs span.sep{opacity:.6}
.crumbs strong{color:#fff;font-weight:700}
.sub-hero .badge{border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.12);color:rgba(255,255,255,.92)}
.sub-hero .badge b{color:#fff}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{position:relative;padding-left:18px}
.section-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:4px;background:var(--brand)}
.section-head p{color:var(--muted);margin-bottom:0;font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:1.4px;color:var(--brand-light);text-transform:uppercase;margin-bottom:12px}

/* ============ 筛选标签行 ============ */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 20px;box-shadow:var(--shadow);
}
.filter-tags{display:flex;gap:10px;flex-wrap:wrap}
.filter-tags a{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  background:#F7F4EE;color:var(--muted);font-size:14px;font-weight:600;text-decoration:none!important;
  border:1px solid transparent;transition:all var(--ease);
}
.filter-tags a:hover{background:#fff;border-color:rgba(18,101,95,.28);color:var(--brand);transform:translateY(-1px)}
.filter-tags a.is-active{background:var(--grad);color:#fff;font-weight:700;box-shadow:0 8px 20px rgba(11,74,70,.22)}
.filter-note{font-size:13.5px;color:var(--muted)}

/* ============ 主栅格：单列宽卡 + 右侧锚点 ============ */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start;margin-top:32px}
.channel-list-flow{display:flex;flex-direction:column;gap:26px}

.wide-card{
  display:grid;grid-template-columns:300px minmax(0,1fr);gap:24px;align-items:stretch;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;
  box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.wide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(18,101,95,.22)}
.wide-card__media{position:relative;border-radius:16px;overflow:hidden;background:var(--placeholder)}
.wide-card__media img{width:100%;height:100%;min-height:200px;object-fit:cover;border-radius:16px}
.wide-card__media .tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--brand-dark);box-shadow:0 6px 16px rgba(11,74,70,.16)}
.wide-card__body{display:flex;flex-direction:column;justify-content:center}
.wide-card__body h3{margin-bottom:10px}
.wide-card__body h3 a{color:var(--text);text-decoration:none!important}
.wide-card__body h3 a:hover{color:var(--brand)}
.wide-card__body p{color:var(--muted);font-size:15.5px;margin-bottom:16px}
.meta-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-top:auto}
.meta-row i{color:var(--brand-light);margin-right:4px}

.row-list{display:flex;flex-direction:column;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:8px 22px;box-shadow:var(--shadow)}
.row-item{display:grid;grid-template-columns:112px minmax(0,1fr);gap:18px;align-items:center;padding:20px 0;border-bottom:1px dashed var(--line)}
.row-item:last-child{border-bottom:none}
.row-item__thumb{border-radius:12px;overflow:hidden;background:var(--placeholder)}
.row-item__thumb img{width:112px;height:78px;object-fit:cover;border-radius:12px}
.row-item__body h3{font-size:17.5px;font-weight:700;margin-bottom:6px}
.row-item__body h3 a{color:var(--text);text-decoration:none!important}
.row-item__body h3 a:hover{color:var(--brand)}
.row-item__body p{font-size:14.5px;color:var(--muted);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row-item .meta-row{margin-top:0;font-size:13px}

/* ============ 右侧频道锚点 ============ */
.aside-panel{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}
.panel h3{font-size:17px;margin-bottom:14px}
.anchor-list li a{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:var(--radius-sm);
  font-size:14.5px;color:var(--muted);text-decoration:none!important;border-left:3px solid transparent;
  transition:all var(--ease);
}
.anchor-list li a i{color:var(--brand-light);font-size:12px}
.anchor-list li a:hover{background:#F7F4EE;color:var(--brand-dark);border-left-color:var(--brand);transform:translateX(2px)}
.panel--dark{background:var(--dark);border-color:transparent;color:#fff}
.panel--dark h3{color:#fff}
.panel--dark p{color:rgba(255,255,255,.72);font-size:14px}
.channel-links li a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:var(--radius-sm);background:#F7F4EE;color:var(--text);
  font-size:14.5px;font-weight:600;text-decoration:none!important;margin-bottom:8px;transition:all var(--ease);
}
.channel-links li a:hover{background:rgba(18,101,95,.10);color:var(--brand-dark);transform:translateX(2px)}
.channel-links li a span{color:var(--brand-light);font-size:13px}

/* ============ 排查步骤时间轴 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.step{background:#fff;border:1px solid var(--line);border-top:4px solid var(--brand-light);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease)}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step__no{font-size:34px;font-weight:800;color:transparent;-webkit-text-stroke:1.5px var(--brand);font-variant-numeric:tabular-nums;line-height:1;margin-bottom:14px}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted);margin:0}
.step--accent{border-top-color:var(--accent)}

/* ============ 场景卡（错位阶梯） ============ */
.scene-stack{display:flex;flex-direction:column;gap:26px}
.scene{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center}
.scene__text{grid-column:span 7;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow)}
.scene__media{grid-column:span 5;border-radius:18px;overflow:hidden;background:var(--placeholder)}
.scene__media img{width:100%;height:230px;object-fit:cover;border-radius:18px}
.scene:nth-child(2) .scene__text{grid-column:6 / span 7;grid-row:1}
.scene:nth-child(2) .scene__media{grid-column:1 / span 5;grid-row:1}
.scene h3{margin-bottom:10px}
.scene p{color:var(--muted);font-size:15.5px;margin-bottom:14px}
.spec-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);margin-bottom:8px}
.spec-list li i{color:var(--brand);margin-top:6px;font-size:12px}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:32px}
.faq-intro{grid-column:span 4}
.faq-intro h2{padding-left:18px;position:relative;font-size:28px}
.faq-intro h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:4px;background:var(--brand)}
.faq-intro p{color:var(--muted);font-size:15px}
.faq-list{grid-column:span 8}
.accordion{border:none;background:transparent}
.accordion .accordion-item{border:1px solid var(--line);border-radius:var(--radius)!important;background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:0 6px 18px rgba(11,74,70,.06)}
.accordion .accordion-title{
  border:none;border-left:4px solid transparent;background:#fff;color:var(--text);
  font-size:16.5px;font-weight:700;padding:18px 54px 18px 22px;line-height:1.5;transition:all var(--ease);
}
.accordion .accordion-title:hover{background:#F7F4EE;color:var(--brand-dark)}
.accordion .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;right:22px;top:50%;transform:translateY(-50%);
  color:var(--brand);font-size:13px;transition:transform var(--ease);
}
.accordion .accordion-item.is-active .accordion-title{background:#F7F4EE;color:var(--brand-dark);border-left-color:var(--brand)}
.accordion .accordion-item.is-active .accordion-title::before{content:"\f068";transform:translateY(-50%) rotate(180deg)}
.accordion .accordion-content{border:none;border-top:1px dashed var(--line);padding:18px 22px 20px;color:var(--muted);font-size:15px;background:#fff}
.accordion .accordion-content p:last-child{margin-bottom:0}

/* ============ CTA 带 ============ */
.cta-band{background:var(--dark);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-10%;top:-40%;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(46,140,127,.28) 0,rgba(46,140,127,0) 68%)}
.cta-band__inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.74);margin:0;font-size:15.5px;max-width:620px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ============ 表单（联系区） ============ */
.form-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:32px}
.form-card{grid-column:span 7;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow)}
.trust-col{grid-column:span 5;display:flex;flex-direction:column;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:var(--text)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);background:#FBF9F5;border-radius:var(--radius);
  padding:13px 16px;font-size:15px;color:var(--text);transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(18,101,95,.14);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA6A3}
.field--check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted)}
.field--check input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--brand)}
.field-error{color:var(--accent-dark);font-size:13px;margin-top:6px;display:none}
.form-hint{font-size:13px;color:var(--muted);margin-top:10px}
.form-alert{display:none;background:rgba(18,101,95,.10);border-left:4px solid var(--brand);border-radius:var(--radius-sm);padding:12px 16px;font-size:14px;color:var(--brand-dark);margin-bottom:18px}
.trust-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 6px 18px rgba(11,74,70,.06);display:flex;gap:14px}
.trust-card i{color:var(--brand);font-size:18px;margin-top:4px}
.trust-card h3{font-size:16px;margin-bottom:4px}
.trust-card p{font-size:14px;color:var(--muted);margin:0}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.76);padding:70px 0 26px;margin-top:0}
.footer-grid{row-gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand__mark{width:38px;height:38px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px}
.footer-brand strong{color:#fff;font-size:18px;font-weight:800}
.footer-slogan{font-size:14.5px;color:rgba(255,255,255,.66);max-width:340px;line-height:1.8}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.66);display:flex;align-items:center;gap:8px;margin-bottom:8px}
.footer-contact i{color:var(--brand-light)}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;letter-spacing:.6px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.7);text-decoration:none!important;transition:all var(--ease)}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px);display:inline-block}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom .disclaimer{max-width:620px;margin:0}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .layout{grid-template-columns:minmax(0,1fr) 280px;gap:26px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wide-card{grid-template-columns:250px minmax(0,1fr)}
}
@media (max-width:991px){
  body{font-size:16px}
  h1{font-size:34px}
  h2{font-size:27px}
  .section{padding:68px 0}
  .layout{grid-template-columns:minmax(0,1fr)}
  .aside-panel{position:static;order:2}
  .scene{grid-template-columns:1fr}
  .scene__text,.scene:nth-child(2) .scene__text{grid-column:auto;grid-row:auto}
  .scene__media,.scene:nth-child(2) .scene__media{grid-column:auto;grid-row:auto}
  .faq-wrap{grid-template-columns:1fr}
  .faq-intro,.faq-list{grid-column:auto}
  .form-grid{grid-template-columns:1fr}
  .form-card,.trust-col{grid-column:auto}
  .sub-hero__inner{padding:54px 0 48px}
}
@media (max-width:767px){
  .site-container{padding-left:18px;padding-right:18px}
  .brand__text em{display:none}
  .header-note,.header-link{display:none}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .channel-bar{
    position:fixed;top:0;right:0;bottom:0;width:288px;max-width:82vw;z-index:120;
    transform:translateX(102%);transition:transform .3s ease;overflow-y:auto;
    border-left:1px solid var(--line);border-bottom:none;box-shadow:-16px 0 40px rgba(11,74,70,.18);
    padding:22px 0;
  }
  .channel-bar.is-open{transform:none}
  .channel-list{flex-direction:column;align-items:stretch;gap:0;padding:0 18px}
  .channel-list a{padding:15px 12px;margin-right:0;border-bottom:1px solid var(--line);border-left:3px solid transparent;border-radius:8px}
  .channel-list a.is-active{border-bottom-color:var(--line);border-left-color:var(--brand);background:#F7F4EE}
  .nav-backdrop{display:none;position:fixed;inset:0;background:rgba(16,32,30,.5);z-index:110}
  .nav-backdrop.is-open{display:block}
  .sub-hero{min-height:auto}
  .sub-hero h1{font-size:28px}
  .section{padding:56px 0}
  .wide-card{grid-template-columns:1fr;padding:18px}
  .wide-card__media img{min-height:180px;height:200px}
  .row-list{padding:6px 16px}
  .row-item{grid-template-columns:92px minmax(0,1fr);gap:14px}
  .row-item__thumb img{width:92px;height:70px}
  .steps{grid-template-columns:1fr}
  .btn{width:100%;min-height:48px}
  .cta-band__actions{width:100%}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  h1{font-size:26px}
  .brand__text strong{font-size:17px}
  .panel{padding:20px}
  .accordion .accordion-title{font-size:15.5px;padding:16px 48px 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .wide-card:hover,.step:hover,.btn:hover{transform:none}
}