/* roulang page: index */
:root{
  --ink:#0B2F2B;
  --ink-2:#12473F;
  --ink-3:#1E6E62;
  --signal:#2FD3C0;
  --coral:#FF6B4A;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#17211F;
  --muted:#5C6B68;
  --line:#E3E0D8;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --shadow:0 12px 28px rgba(11,47,43,.08);
  --shadow-hover:0 12px 28px rgba(11,47,43,.14);
  --gap:24px;
  --sec-y:88px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::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:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease)}
img{max-width:100%;display:block;border-radius:12px}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.num,.data,.meta-num{font-family:"Space Grotesk",Inter,system-ui,sans-serif;font-weight:700;letter-spacing:.5px}

/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease),background-color .24s var(--ease)}
.site-header.is-pinned{box-shadow:0 6px 20px rgba(11,47,43,.08);background:rgba(255,255,255,.96)}
.header-bar{display:flex;align-items:center;gap:22px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;min-width:46px;height:38px;padding:0 10px;border-radius:10px;background:var(--ink);color:var(--signal);font-family:"Space Grotesk",Inter,sans-serif;font-weight:700;font-size:17px;letter-spacing:.5px}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px;flex:1}
.nav-link{position:relative;padding:8px 12px;font-size:15px;color:#3A4846;border-radius:8px}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--signal);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--ink-3);background:#F1F5F3}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.v-divider{width:1px;height:22px;background:var(--line)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;color:var(--ink-2);transition:background-color .2s var(--ease),color .2s var(--ease)}
.icon-btn:hover{background:#EDF3F1;color:var(--ink)}
.search-wrap{position:relative}
.search-box{position:absolute;right:0;top:calc(100% + 10px);width:280px;display:none;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);padding:14px}
.search-wrap.is-open .search-box{display:flex}
.search-box input{width:100%;height:42px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-input);background:#FCFBF8;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-box input:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(47,211,192,.18)}
.search-hint{font-size:12px;color:var(--muted)}
.search-keys{display:flex;flex-wrap:wrap;gap:8px}
.search-keys span{font-size:12px;padding:3px 9px;border-radius:999px;background:#F1F5F3;color:var(--ink-3)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;transition:all .22s var(--ease);white-space:nowrap}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 20px rgba(255,107,74,.26)}
.btn-primary:hover{background:#FF7E60;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,107,74,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,107,74,.24)}
.btn-outline{border:1px solid var(--ink-3);color:var(--ink-3);background:transparent}
.btn-outline:hover{background:var(--ink-3);color:#fff}
.btn-ghost{color:var(--ink-3);text-decoration:underline;text-underline-offset:4px;padding:6px 2px}
.btn-ghost:hover{color:var(--signal)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.menu-toggle{display:none}

/* hotbar */
.hotbar{border-top:1px solid var(--line);background:rgba(252,251,248,.7);max-height:56px;overflow:hidden;transition:max-height .26s var(--ease),opacity .26s var(--ease),border-color .26s var(--ease)}
.site-header.is-condensed .hotbar{max-height:0;opacity:0;border-color:transparent}
.hotbar-inner{display:flex;align-items:center;gap:10px;height:52px;overflow-x:auto;scrollbar-width:none}
.hotbar-inner::-webkit-scrollbar{display:none}
.hotbar-label{flex-shrink:0;font-size:12px;font-weight:700;color:var(--ink-3);padding:3px 10px;border-radius:999px;background:#E7F5F2}
.chip{flex-shrink:0;font-size:13px;padding:5px 13px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#3A4846;transition:all .2s var(--ease)}
.chip:hover{background:var(--ink);border-color:var(--ink);color:#fff}

/* mobile drawer */
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 20px 22px}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{display:block;padding:12px 6px;font-size:16px;border-bottom:1px solid var(--line);color:#2A3634}
.mobile-drawer a:last-of-type{border-bottom:0}
.mobile-drawer a.is-active{color:var(--ink);font-weight:700}
.mobile-drawer .btn{margin-top:14px}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;color:#fff;background:var(--ink)}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(115deg,rgba(11,47,43,.90) 0%,rgba(18,71,63,.84) 55%,rgba(11,47,43,.88) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
.hero-grid-lines{position:absolute;inset:0;opacity:.14;background-image:linear-gradient(rgba(47,211,192,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(47,211,192,.5) 1px,transparent 1px);background-size:64px 64px}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:80px 20px 0}
.hero h1{color:#fff;font-size:40px;line-height:1.24;max-width:640px}
.hero h1 em{font-style:normal;color:var(--signal)}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn-onDark{border:1px solid rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-onDark:hover{background:rgba(255,255,255,.14);border-color:#fff}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{font-size:13px;padding:5px 12px;border-radius:999px;border:1px solid rgba(47,211,192,.4);color:var(--signal);background:rgba(47,211,192,.08)}

.entry-card{background:rgba(255,255,255,.07);border:1px solid rgba(47,211,192,.28);border-radius:var(--r-card);padding:26px;backdrop-filter:blur(4px)}
.entry-card h2{color:#fff;font-size:19px;margin-bottom:6px}
.entry-card .entry-note{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px}
.entry-step{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.16)}
.entry-step:last-of-type{border-bottom:0}
.step-no{flex-shrink:0;width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:rgba(47,211,192,.14);border:1px solid rgba(47,211,192,.5);color:var(--signal);font-family:"Space Grotesk",Inter,sans-serif;font-weight:700;font-size:14px}
.entry-step h3{color:#fff;font-size:15px;margin-bottom:3px}
.entry-step p{font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.7}

.trust-bar{position:relative;z-index:2;margin-top:56px;border-top:1px solid rgba(255,255,255,.14);background:rgba(11,47,43,.55)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;padding:0}
.trust-item{padding:26px 20px;border-right:1px solid rgba(255,255,255,.12)}
.trust-item:last-child{border-right:0}
.trust-item .data{font-size:30px;color:#fff;display:block}
.trust-item .data i{font-style:normal;color:var(--signal);font-size:16px;margin-left:3px}
.trust-item span.lbl{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.66)}

/* ============ SECTIONS ============ */
section{padding:var(--sec-y) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:27px}
.sec-head .sec-desc{margin-top:10px;font-size:15.5px;color:var(--muted);max-width:640px}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:1px;margin-bottom:12px}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--signal);display:inline-block}

/* pain */
.pain{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pain-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.pain-list{border-top:1px solid var(--line)}
.pain-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);transition:border-color .22s var(--ease)}
.pain-item:hover{border-color:var(--ink-3)}
.pain-no{flex-shrink:0;width:34px;height:34px;border-radius:8px;background:#F1F5F3;color:var(--ink-3);display:flex;align-items:center;justify-content:center;font-family:"Space Grotesk",Inter,sans-serif;font-weight:700;font-size:14px;transition:all .22s var(--ease)}
.pain-item:hover .pain-no{background:var(--ink);color:var(--signal)}
.pain-item h3{font-size:17px;margin-bottom:6px}
.pain-item p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* bento */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.bcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--ink-3)}
.bcard .badge{align-self:flex-start;margin-bottom:14px}
.bcard h3{font-size:19px;margin-bottom:10px}
.bcard p.lead{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.bcard ul{display:flex;flex-direction:column;gap:9px;margin-bottom:18px}
.bcard ul li{position:relative;padding-left:18px;font-size:14.5px;color:#3A4846;line-height:1.7}
.bcard ul li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--signal)}
.bcard .card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.span-6{grid-column:span 6}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}
.bcard.cover-card{padding:0;overflow:hidden}
.bcard.cover-card .cover-media{overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0}
.bcard.cover-card .cover-media img{width:100%;height:230px;object-fit:cover;border-radius:0;transition:transform .26s var(--ease),filter .26s var(--ease)}
.bcard.cover-card:hover .cover-media img{transform:scale(1.03)}
.bcard.cover-card .cover-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.bcard.dark{background:var(--ink);border-color:var(--ink);color:#fff}
.bcard.dark h3{color:#fff}
.bcard.dark p.lead,.bcard.dark ul li{color:rgba(255,255,255,.76)}
.bcard.dark .card-foot{border-color:rgba(255,255,255,.14)}
.bcard.dark .btn-ghost{color:var(--signal)}

.badge{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;background:#E7F5F2;color:var(--ink-3);font-size:12.5px;font-weight:600}
.badge.coral{background:rgba(255,107,74,.12);color:#D24A2C}

/* data band */
.data-band{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.data-band .band-lines{position:absolute;inset:0;opacity:.1;background-image:linear-gradient(rgba(47,211,192,.6) 1px,transparent 1px);background-size:100% 56px}
.data-band .container{position:relative;z-index:2}
.data-band h2{color:#fff}
.data-band .sec-desc{color:rgba(255,255,255,.68)}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.data-cell{border:1px solid rgba(47,211,192,.28);border-radius:var(--r-card);padding:28px 24px;position:relative;background:rgba(255,255,255,.03)}
.data-ring{position:absolute;right:18px;top:18px;width:54px;height:54px;border-radius:50%;border:1px solid rgba(47,211,192,.32)}
.data-cell .data{font-size:36px;display:block;color:#fff}
.data-cell .data i{font-style:normal;font-size:16px;color:var(--signal);margin-left:4px}
.data-cell p{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.7}

/* cms list */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--ink-3)}
.post-thumb{display:block;overflow:hidden;background:linear-gradient(135deg,var(--ink2),var(--ink3))}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .26s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-size:17px;line-height:1.5;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a:hover{color:var(--ink-3)}
.post-excerpt{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:14px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.post-meta .go{margin-left:auto;color:var(--ink-3);font-weight:600}
.post-card:hover .post-meta .go{color:var(--coral)}
.empty-state{grid-column:1/-1;text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff}
.empty-state .ico{width:52px;height:52px;margin:0 auto 14px;border-radius:14px;background:#F1F5F3;display:flex;align-items:center;justify-content:center;color:var(--ink-3)}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:16px}

/* channel cards */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);display:flex;flex-direction:column}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--ink-3)}
.channel-card img{width:100%;height:170px;object-fit:cover;border-radius:0}
.channel-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.channel-body h3{font-size:18px;margin:10px 0 10px}
.channel-body p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:16px}
.channel-body .card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}

/* cta strip */
.cta-strip{background:linear-gradient(90deg,#F0FBF9,#F6F4EF 62%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:44px 0}
.cta-flex{display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta-flex h2{font-size:23px;margin-bottom:8px}
.cta-flex p{font-size:14.5px;color:var(--muted)}
.privacy-note{margin-top:10px;font-size:12.5px;color:var(--muted)}

/* faq */
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:48px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .22s var(--ease),background-color .22s var(--ease)}
.faq-item.is-open{border-color:rgba(47,211,192,.6);background:#FBFEFD}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);position:relative}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--signal)}
.faq-ico{flex-shrink:0;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:16px;line-height:1;transition:transform .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease)}
.faq-item.is-open .faq-ico{transform:rotate(45deg);background:var(--ink);color:var(--signal);border-color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.74);position:relative;overflow:hidden;padding-top:64px}
.site-footer .foot-lines{position:absolute;inset:0;opacity:.08;background-image:linear-gradient(rgba(47,211,192,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(47,211,192,.7) 1px,transparent 1px);background-size:72px 72px}
.site-footer .container{position:relative;z-index:2}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{background:rgba(47,211,192,.14);border:1px solid rgba(47,211,192,.4);color:var(--signal)}
.foot-brand span.t{color:#fff;font-weight:700;font-size:17px}
.foot-about{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:340px}
.foot-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.6px}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:13px;color:rgba(255,255,255,.68);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.foot-col a:hover{color:var(--signal);transform:translateX(2px)}
.foot-contact li{font-size:13px;color:rgba(255,255,255,.68);margin-bottom:10px}
.qr-box{width:92px;height:92px;border-radius:12px;border:1px dashed rgba(47,211,192,.45);display:flex;align-items:center;justify-content:center;text-align:center;font-size:11px;color:rgba(255,255,255,.6);padding:8px;line-height:1.5;margin-top:10px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px 22px;align-items:center;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.5)}
.foot-bottom a{color:rgba(255,255,255,.6)}
.foot-bottom a:hover{color:var(--signal)}

/* ============ LEAD MODAL ============ */
.lead-mask{position:fixed;inset:0;background:rgba(11,47,43,.55);backdrop-filter:blur(3px);z-index:90;display:none}
.lead-mask.is-open{display:block}
.lead-modal{position:fixed;left:50%;top:50%;transform:translate(-50%,-48%);width:520px;max-width:calc(100% - 32px);background:#fff;border-radius:16px;box-shadow:0 24px 60px rgba(11,47,43,.28);z-index:91;display:none;overflow:hidden}
.lead-modal.is-open{display:block;animation:popIn .24s ease-out forwards}
@keyframes popIn{from{opacity:0;transform:translate(-50%,-46%)}to{opacity:1;transform:translate(-50%,-50%)}}
.lead-head{padding:22px 26px 0;display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.lead-head h3{font-size:19px}
.lead-head p{font-size:13px;color:var(--muted);margin-top:6px}
.lead-close{width:32px;height:32px;border-radius:8px;color:var(--muted);display:flex;align-items:center;justify-content:center;transition:background-color .2s var(--ease),color .2s var(--ease)}
.lead-close:hover{background:#F1F5F3;color:var(--ink)}
.lead-body{padding:18px 26px 26px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:#3A4846;margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:var(--r-input);background:#FCFBF8;font-size:14.5px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field textarea{min-height:88px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(47,211,192,.16)}
.field.has-error input,.field.has-error select{border-color:var(--coral);box-shadow:0 0 0 3px rgba(255,107,74,.14)}
.field .err{display:none;font-size:12.5px;color:#D24A2C;margin-top:6px}
.field.has-error .err{display:block}
.agree{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;color:var(--muted);margin:4px 0 16px}
.agree input{width:16px;height:16px;margin-top:3px;accent-color:#1E6E62}
.lead-success{display:none;padding:44px 26px;text-align:center}
.lead-success.is-open{display:block}
.lead-success .ok{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:#E7F5F2;color:var(--ink-3);display:flex;align-items:center;justify-content:center}
.lead-success h3{font-size:19px;margin-bottom:8px}
.lead-success p{font-size:14px;color:var(--muted)}

@media (max-width:1024px){
  :root{--sec-y:72px}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding-top:64px}
  .hero h1{font-size:34px}
  .main-nav{display:none}
  .menu-toggle{display:inline-flex}
  .pain-grid,.faq-grid{grid-template-columns:1fr;gap:32px}
  .bento{grid-template-columns:repeat(6,1fr)}
  .span-6,.span-3,.span-4,.span-8{grid-column:span 6}
  .post-grid,.channel-grid{grid-template-columns:repeat(2,1fr)}
  .data-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item{border-bottom:1px solid rgba(255,255,255,.12)}
  .trust-item:nth-child(2n){border-right:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-flex{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  :root{--sec-y:52px}
  .container{padding:0 16px}
  .header-bar{height:62px;gap:12px}
  .brand-text{font-size:15.5px}
  .brand-mark{min-width:40px;height:34px;font-size:15px}
  .hero h1{font-size:27px}
  .hero-sub{font-size:15.5px}
  .hero-actions{width:100%}
  .hero-actions .btn{flex:1 1 auto}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px}
  .sec-head h2{font-size:22px}
  .post-grid,.channel-grid,.data-grid,.bento{grid-template-columns:1fr}
  .span-6,.span-3,.span-4,.span-8{grid-column:span 1}
  .data-cell .data{font-size:30px}
  .trust-item{padding:20px 16px}
  .foot-grid{grid-template-columns:1fr}
  .lead-modal{left:0;right:0;top:auto;bottom:0;transform:none;width:100%;max-width:100%;border-radius:16px 16px 0 0;max-height:92vh;overflow:auto}
  .lead-modal.is-open{animation:slideUp .26s ease-out forwards}
  @keyframes slideUp{from{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --ink:#0B2F2B;
  --ink-2:#12473F;
  --ink-3:#1E6E62;
  --signal:#2FD3C0;
  --coral:#FF6B4A;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#17211F;
  --muted:#5C6B68;
  --line:#E3E0D8;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --shadow:0 12px 28px rgba(11,47,43,.08);
  --shadow-hover:0 18px 36px rgba(11,47,43,.14);
  --ease:220ms ease-out;
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.2px}
p{margin:0}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;border-radius:6px}
.num{font-family:"Inter","Space Grotesk",system-ui,sans-serif;font-weight:700;font-variant-numeric:tabular-nums}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:80px 0;border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:27px;color:var(--ink)}
.section-head p{color:var(--muted);font-size:15px;margin-top:8px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:2px;color:var(--ink-3);font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--signal)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:var(--ease)}
.site-header.is-stuck{background:rgba(255,255,255,.92);backdrop-filter:blur(8px);box-shadow:0 6px 20px rgba(11,47,43,.07)}
.topbar-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--ink);color:var(--signal);
  font-weight:700;font-size:15px;letter-spacing:.5px;
}
.brand-text{font-size:19px;font-weight:700;color:var(--ink);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:10px}
.nav-link{
  position:relative;font-size:15px;color:var(--muted);padding:6px 0;transition:var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--signal);transition:right var(--ease);
}
.nav-link:hover{color:var(--ink-2)}
.nav-link:hover::after{right:0}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{right:0}
.topbar-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.v-divider{width:1px;height:24px;background:var(--line)}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);cursor:pointer;transition:var(--ease);display:inline-flex;align-items:center;justify-content:center;
}
.icon-btn:hover{border-color:var(--ink-3);color:var(--ink);background:#F1F6F4}
.search-wrap{position:relative}
.search-panel{
  position:absolute;top:48px;right:0;width:300px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow);padding:14px;display:none;
}
.search-panel.open{display:block}
.search-panel input{
  width:100%;height:42px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 12px;background:#FBFAF7;transition:var(--ease);
}
.search-panel input:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(47,211,192,.18)}
.search-hint{font-size:12px;color:var(--muted);margin:10px 0 6px}
.hot-words{display:flex;flex-wrap:wrap;gap:8px}
.hot-words a{
  font-size:12.5px;padding:4px 10px;border-radius:999px;background:#F1F6F4;color:var(--ink-3);transition:var(--ease);
}
.hot-words a:hover{background:var(--ink);color:#fff}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;
  font-size:15px;font-weight:600;padding:12px 22px;transition:var(--ease);
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(255,107,74,.26)}
.btn-primary:hover{background:#FF7E60;transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,107,74,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,107,74,.24)}
.btn-ghost{background:transparent;border-color:var(--ink-3);color:var(--ink-2)}
.btn-ghost:hover{background:var(--ink-2);border-color:var(--ink-2);color:#fff}
.btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);color:#fff}
.btn-light:hover{background:#fff;color:var(--ink)}
.btn-sm{padding:9px 16px;font-size:14px}
.text-link{
  color:var(--ink-3);font-weight:600;font-size:14.5px;text-decoration:underline;
  text-underline-offset:4px;text-decoration-thickness:1px;transition:var(--ease);
}
.text-link:hover{color:var(--signal);text-decoration-color:var(--signal)}

.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  cursor:pointer;color:var(--ink);align-items:center;justify-content:center;
}

/* hot bar */
.hotbar{background:#FBFAF7;border-top:1px solid var(--line);transition:max-height var(--ease),opacity var(--ease),padding var(--ease);max-height:60px;overflow:hidden}
.site-header.is-compact .hotbar{max-height:0;opacity:0;border-top-color:transparent}
.hotbar-inner{display:flex;align-items:center;gap:10px;padding:10px 24px;overflow-x:auto;scrollbar-width:none}
.hotbar-inner::-webkit-scrollbar{display:none}
.hotbar-label{font-size:12.5px;color:var(--muted);flex-shrink:0;letter-spacing:1px}
.pill{
  flex-shrink:0;font-size:13px;padding:6px 14px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);transition:var(--ease);white-space:nowrap;
}
.pill:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.pill.is-hot{color:var(--coral);border-color:rgba(255,107,74,.4);background:rgba(255,107,74,.06)}

/* ---------- hero ---------- */
.hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(11,47,43,.92),rgba(11,47,43,.78)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-inner{position:relative;z-index:2;padding:56px 0 60px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7)}
.breadcrumb a:hover{color:var(--signal)}
.breadcrumb .sep{color:var(--signal)}
.hero h1{font-size:36px;margin:16px 0 14px;max-width:820px}
.hero .lede{font-size:16px;line-height:1.9;color:rgba(255,255,255,.82);max-width:700px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero-fact{display:flex;align-items:center;gap:12px}
.hero-fact .ring{
  width:42px;height:42px;border-radius:50%;border:1px solid rgba(47,211,192,.5);
  display:flex;align-items:center;justify-content:center;color:var(--signal);font-size:16px;
}
.hero-fact .txt{font-size:13.5px;color:rgba(255,255,255,.75);line-height:1.5}
.hero-fact .txt b{display:block;color:#fff;font-size:15px}

/* ---------- layout: sticky toc + content ---------- */
.guide-layout{display:grid;grid-template-columns:248px 1fr;gap:56px;align-items:start}
.toc{
  position:sticky;top:110px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow);
}
.toc h3{font-size:15px;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.toc h3 i{color:var(--signal)}
.toc ol{counter-reset:toc}
.toc li{counter-increment:toc;margin-bottom:4px}
.toc a{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);
  padding:9px 10px;border-radius:8px;transition:var(--ease);line-height:1.55;
}
.toc a::before{
  content:counter(toc,decimal-leading-zero);font-family:"Inter",sans-serif;font-weight:700;
  color:var(--ink-3);font-size:12.5px;padding-top:2px;
}
.toc a:hover{background:#F1F6F4;color:var(--ink)}
.toc a.is-current{background:#F1F6F4;color:var(--ink);font-weight:700;box-shadow:inset 3px 0 0 var(--signal)}
.toc-note{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--muted);line-height:1.7}

.chapter{
  scroll-margin-top:120px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:34px 34px 30px;margin-bottom:26px;box-shadow:var(--shadow);
  transition:var(--ease);
}
.chapter:hover{border-color:#CFE2DD;box-shadow:var(--shadow-hover)}
.chapter-tag{
  display:inline-block;font-size:12.5px;letter-spacing:1px;color:var(--ink-3);
  background:#EDF6F4;border-radius:999px;padding:4px 12px;margin-bottom:14px;font-weight:700;
}
.chapter h2{font-size:23px;color:var(--ink);margin-bottom:12px;position:relative;padding-left:16px}
.chapter h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--signal);border-radius:2px}
.chapter > p{color:var(--muted);font-size:15.5px;line-height:1.9}
.step-list{margin-top:22px;display:grid;gap:14px}
.step{
  display:grid;grid-template-columns:36px 1fr;gap:14px;align-items:start;
  padding:16px;border:1px solid var(--line);border-radius:12px;background:#FCFBF8;transition:var(--ease);
}
.step:hover{border-color:var(--ink-3);background:#F7FBFA}
.step .idx{
  width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--signal);
  display:flex;align-items:center;justify-content:center;font-family:"Inter",sans-serif;font-weight:700;font-size:14px;
}
.step h4{font-size:16px;color:var(--ink);margin-bottom:6px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8}
.check-list{margin-top:20px;display:grid;gap:10px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted);
  padding:12px 14px;border-left:2px solid var(--line);background:#FCFBF8;border-radius:0 10px 10px 0;transition:var(--ease);
}
.check-list li:hover{border-left-color:var(--signal);background:#F7FBFA;color:var(--text)}
.check-list i{color:var(--signal);margin-top:5px;font-size:13px}
.chapter-figure{margin-top:24px;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.chapter-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--ease)}
.chapter-figure:hover img{transform:scale(1.03)}
.chapter-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;padding-top:20px;border-top:1px dashed var(--line)}

/* flow timeline */
.flow{margin-top:24px;position:relative;padding-left:26px}
.flow::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1px;background:var(--line)}
.flow-item{position:relative;padding:0 0 22px 0}
.flow-item::before{
  content:"";position:absolute;left:-24px;top:8px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2px solid var(--ink-3);
}
.flow-item.is-key::before{background:var(--coral);border-color:var(--coral)}
.flow-item h4{font-size:15.5px;color:var(--ink);margin-bottom:4px}
.flow-item p{font-size:14.5px;color:var(--muted)}

/* myth cards */
.myth-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.myth-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow);transition:var(--ease);
}
.myth-card:hover{transform:translateY(-3px);border-color:var(--ink-3);box-shadow:var(--shadow-hover)}
.myth-card .badge{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;padding:3px 10px;border-radius:999px;
  background:rgba(255,107,74,.1);color:var(--coral);margin-bottom:12px;
}
.myth-card h3{font-size:17.5px;color:var(--ink);margin-bottom:10px}
.myth-card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.myth-card .fix{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:14px;color:var(--ink-2);display:flex;gap:8px;
}
.myth-card .fix i{color:var(--signal);margin-top:4px}

/* CTA band */
.cta-band{background:var(--ink-2);color:#fff;border-radius:18px;padding:38px 40px;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(47,211,192,.35);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-inner h2{font-size:24px;margin-bottom:10px}
.cta-inner p{font-size:14.5px;color:rgba(255,255,255,.78);max-width:600px}
.cta-note{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.6)}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start}
.faq-side h2{font-size:26px;color:var(--ink);margin:14px 0 12px}
.faq-side 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(--r-card);overflow:hidden;transition:var(--ease)}
.faq-item[open]{border-color:#CFE2DD;background:#FCFDFC;box-shadow:inset 3px 0 0 var(--signal)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:600;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--ink-3);transition:transform var(--ease);font-size:14px}
.faq-item[open] summary i{transform:rotate(45deg);color:var(--coral)}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:12px;overflow:hidden}
.foot-lines{
  position:absolute;inset:0;opacity:.1;
  background-image:linear-gradient(rgba(255,255,255,.7) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.foot-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{background:rgba(255,255,255,.1);color:var(--signal)}
.foot-brand .t{color:#fff;font-size:18px;font-weight:700}
.foot-about{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:420px}
.foot-col h4{font-size:14px;color:#fff;margin-bottom:16px}
.foot-col ul{display:grid;gap:10px}
.foot-col li,.foot-col a{font-size:13px;color:rgba(255,255,255,.66);transition:var(--ease)}
.foot-col a:hover{color:var(--signal);transform:translateX(2px);display:inline-block}
.qr-box{
  margin-top:18px;width:110px;height:110px;border-radius:12px;border:1px dashed rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;
  color:rgba(255,255,255,.6);line-height:1.6;
}
.foot-bottom{
  position:relative;z-index:2;margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px 28px;font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ---------- modal ---------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(11,47,43,.55);backdrop-filter:blur(3px);
  display:none;align-items:center;justify-content:center;z-index:120;padding:24px;
}
.modal-mask.open{display:flex}
.modal{
  width:100%;max-width:540px;background:#fff;border-radius:18px;padding:30px 30px 26px;
  position:relative;box-shadow:0 30px 70px rgba(11,47,43,.3);max-height:92vh;overflow:auto;
}
.modal h3{font-size:21px;color:var(--ink);margin-bottom:8px}
.modal .sub{font-size:14px;color:var(--muted);margin-bottom:22px}
.modal-close{
  position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:9px;border:1px solid var(--line);
  background:#fff;cursor:pointer;color:var(--muted);transition:var(--ease);
}
.modal-close:hover{border-color:var(--coral);color:var(--coral)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);padding:11px 13px;
  background:#FBFAF7;transition:var(--ease);font-size:14.5px;
}
.field textarea{min-height:92px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(47,211,192,.16);background:#fff}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--coral);box-shadow:0 0 0 3px rgba(255,107,74,.12)}
.field .err{display:none;font-size:12.5px;color:var(--coral);margin-top:6px}
.field.has-error .err{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:4px 0 20px}
.consent input{width:16px;height:16px;margin-top:3px;accent-color:var(--ink-3)}
.modal .btn{width:100%}
.form-success{display:none;text-align:center;padding:26px 8px}
.form-success.show{display:block}
.form-success .ok{
  width:64px;height:64px;border-radius:50%;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;
  background:#EDF6F4;color:var(--ink-3);font-size:26px;
}
.form-success h4{font-size:18px;color:var(--ink);margin-bottom:10px}
.form-success p{font-size:14px;color:var(--muted)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .guide-layout{grid-template-columns:1fr;gap:32px}
  .toc{position:static}
  .myth-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero h1{font-size:30px}
}
@media (max-width:860px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 18px;display:none;
    box-shadow:0 18px 30px rgba(11,47,43,.1);
  }
  .main-nav.open{display:flex}
  .nav-link{padding:13px 0;border-bottom:1px dashed var(--line)}
  .nav-link::after{display:none}
  .hamburger{display:inline-flex}
  .topbar-inner{height:62px;gap:14px}
  .brand-text{font-size:17px}
  .search-wrap{display:none}
  .v-divider{display:none}
  .section{padding:56px 0}
  .chapter{padding:26px 20px}
  .hero-inner{padding:40px 0 44px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .hotbar-inner{padding:10px 16px}
  .hero h1{font-size:25px}
  .hero-facts{gap:18px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-band{padding:28px 22px;border-radius:16px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .step{grid-template-columns:30px 1fr;gap:12px}
  .step .idx{width:30px;height:30px;font-size:13px}
  nav-note{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --ink:#0B2F2B;
  --ink-2:#12473F;
  --ink-3:#1E6E62;
  --signal:#2FD3C0;
  --coral:#FF6B4A;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#17211F;
  --muted:#5C6B68;
  --line:#E3E0D8;
  --soft:#FBFAF7;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh:0 12px 28px rgba(11,47,43,.08);
  --sh-hover:0 16px 34px rgba(11,47,43,.14);
  --ease:220ms ease-out;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;padding:0;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:26px;font-weight:800;color:var(--ink);letter-spacing:.2px;line-height:1.4;}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px;}
.link-more{font-size:14px;color:var(--ink-3);border-bottom:1px solid transparent;transition:var(--ease);}
.link-more:hover{color:var(--signal);border-color:var(--signal);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow var(--ease);}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(11,47,43,.08);}
.header-inner{display:flex;align-items:center;gap:18px;height:68px;}
.site-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--signal);font-weight:800;font-size:15px;letter-spacing:.5px;}
.brand-text{font-weight:800;font-size:17px;color:var(--ink);letter-spacing:.3px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px;}
.nav-link{position:relative;padding:8px 13px;border-radius:8px;font-size:15px;color:var(--muted);transition:var(--ease);white-space:nowrap;}
.nav-link:hover{color:var(--ink);background:#F1EFE8;}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--signal);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;justify-content:center;color:var(--ink);transition:var(--ease);}
.icon-btn:hover{border-color:var(--ink-3);color:var(--ink-3);background:#F7FBF9;}
.v-divider{width:1px;height:24px;background:var(--line);display:inline-block;}
.menu-btn{display:none;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:var(--r-btn);border:1px solid transparent;font-weight:600;transition:var(--ease);text-align:center;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-md{padding:12px 22px;font-size:15px;}
.btn-lg{padding:14px 28px;font-size:16px;}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(255,107,74,.22);}
.btn-primary:hover{background:#FF8264;transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,107,74,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,107,74,.22);}
.btn-outline{border-color:var(--ink-3);color:var(--ink-3);background:#fff;}
.btn-outline:hover{background:var(--ink-3);color:#fff;}
.btn-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.32);}
.btn-light:hover{background:#fff;color:var(--ink);}
.btn-text{color:var(--ink-3);padding:4px 0;font-size:14px;border-bottom:1px solid transparent;border-radius:0;}
.btn-text:hover{color:var(--signal);border-color:var(--signal);}

/* search */
.search-wrap{position:relative;}
.search-panel{position:absolute;right:0;top:48px;width:324px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh);padding:14px;display:none;}
.search-panel.is-open{display:block;}
.search-panel input{width:100%;height:42px;border:1px solid var(--line);border-radius:10px;padding:0 12px;font-size:14px;background:var(--soft);transition:var(--ease);}
.search-panel input:focus{border-color:var(--signal);background:#fff;outline:none;}
.search-hint{font-size:12px;color:#8B9694;margin:10px 0 6px;}
.search-hot{display:flex;flex-wrap:wrap;gap:8px;}
.search-hot a{font-size:12.5px;padding:5px 10px;border-radius:999px;background:#F1EFE8;color:var(--ink-2);transition:var(--ease);}
.search-hot a:hover{background:var(--ink);color:#fff;}

/* trend bar */
.trend-bar{border-top:1px solid var(--line);background:var(--soft);max-height:50px;overflow:hidden;transition:max-height var(--ease),opacity var(--ease);}
.site-header.is-stuck .trend-bar{max-height:0;opacity:0;}
.trend-inner{display:flex;align-items:center;gap:10px;height:46px;overflow-x:auto;white-space:nowrap;scrollbar-width:none;}
.trend-inner::-webkit-scrollbar{display:none;}
.trend-label{font-size:12.5px;color:#8B9694;flex-shrink:0;}
.chip{display:inline-block;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:var(--ease);flex-shrink:0;}
.chip:hover{background:var(--ink);border-color:var(--ink);color:#fff;}

/* mobile drawer */
.mobile-drawer{position:fixed;inset:0;z-index:90;display:none;}
.mobile-drawer.is-open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(11,47,43,.5);}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;padding:22px;overflow-y:auto;box-shadow:-16px 0 40px rgba(11,47,43,.2);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.drawer-nav a{padding:12px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);background:var(--soft);}
.drawer-nav a.is-active{background:#EAF7F3;color:var(--ink);font-weight:700;}
.drawer-nav a:hover{background:#EAF7F3;}

/* ---------- article hero ---------- */
.article-hero{position:relative;background:var(--ink);color:#fff;padding:34px 0 40px;overflow:hidden;}
.article-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(47,211,192,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(47,211,192,.09) 1px,transparent 1px);background-size:46px 46px;pointer-events:none;}
.article-hero .container{position:relative;z-index:1;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px;}
.breadcrumb a{color:rgba(255,255,255,.78);transition:var(--ease);}
.breadcrumb a:hover{color:var(--signal);}
.breadcrumb .sep{color:rgba(255,255,255,.35);}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:rgba(47,211,192,.14);color:var(--signal);font-size:12.5px;letter-spacing:.3px;}
.article-hero h1{font-size:clamp(24px,3.3vw,38px);line-height:1.36;font-weight:800;margin:14px 0 16px;max-width:940px;letter-spacing:.2px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.66);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.35);}

/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:206px minmax(0,1fr);gap:48px;padding-top:52px;align-items:start;}
.article-aside{position:sticky;top:112px;display:flex;flex-direction:column;gap:16px;}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px;}
.aside-card h3{font-size:13.5px;font-weight:800;color:var(--ink);letter-spacing:.6px;margin-bottom:12px;}
.aside-card ul{display:flex;flex-direction:column;gap:4px;}
.aside-card li a{display:block;font-size:13.5px;color:var(--muted);padding:7px 0 7px 11px;border-left:2px solid var(--line);transition:var(--ease);}
.aside-card li a:hover{color:var(--ink-3);border-color:var(--signal);padding-left:15px;}
.aside-cta{background:linear-gradient(160deg,#0B2F2B,#12473F);border-color:transparent;color:#fff;}
.aside-cta h3{color:#fff;}
.aside-cta p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.7);margin-bottom:14px;}
.aside-cta .btn{width:100%;}

.article-main{max-width:780px;min-width:0;}
.article-body{font-size:16.5px;line-height:1.9;color:var(--text);}
.article-body p{margin-bottom:1.2em;}
.article-body h2{font-size:25px;line-height:1.45;font-weight:800;color:var(--ink);margin:2em 0 .8em;padding-left:14px;border-left:3px solid var(--signal);}
.article-body h3{font-size:19px;font-weight:700;color:var(--ink-2);margin:1.7em 0 .6em;}
.article-body ul{list-style:none;margin:0 0 1.4em;}
.article-body ul li{position:relative;padding-left:22px;margin:.55em 0;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:3px;background:var(--signal);}
.article-body ol{list-style:none;counter-reset:num;margin:0 0 1.4em;}
.article-body ol li{counter-increment:num;position:relative;padding-left:36px;margin:.7em 0;}
.article-body ol li::before{content:counter(num);position:absolute;left:0;top:.25em;width:24px;height:24px;border-radius:7px;background:#EAF7F3;color:var(--ink-3);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.article-body blockquote{margin:1.6em 0;padding:16px 22px;background:#F1EEE6;border-left:3px solid var(--ink-3);border-radius:0 10px 10px 0;color:#33403D;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;}
.article-body a{color:var(--ink-3);border-bottom:1px solid rgba(30,110,98,.35);transition:var(--ease);}
.article-body a:hover{color:var(--signal);border-color:var(--signal);}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;display:block;overflow-x:auto;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap;}
.article-body th{background:#EAF7F3;color:var(--ink);font-weight:700;}
.article-body strong{color:var(--ink);}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}
.article-body>*:first-child{margin-top:0;}

.empty-state{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:48px 28px;text-align:center;box-shadow:var(--sh);}
.empty-icon{width:52px;height:52px;margin:0 auto 16px;border-radius:14px;background:#EAF7F3;color:var(--ink-3);font-size:24px;font-weight:800;display:flex;align-items:center;justify-content:center;}
.empty-state h2{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:10px;}
.empty-state p{font-size:14.5px;color:var(--muted);max-width:460px;margin:0 auto 22px;}

/* ---------- cards ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:var(--ease);}
.card:hover{border-color:var(--ink-3);transform:translateY(-3px);box-shadow:var(--sh-hover);}
.card-cover{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,var(--ink),var(--ink-3));}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.card:hover .card-cover img{transform:scale(1.03);}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1;}
.card-title{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5;}
.card-desc{font-size:13.5px;color:var(--muted);line-height:1.75;}
.card-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:#8B9694;margin-top:auto;}

/* post nav */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px;}
.post-nav a{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:16px 18px;transition:var(--ease);display:flex;flex-direction:column;gap:6px;}
.post-nav a:hover{border-color:var(--ink-3);transform:translateY(-3px);box-shadow:var(--sh-hover);}
.post-nav .pn-label{font-size:12.5px;color:#8B9694;}
.post-nav .pn-title{font-size:14.5px;font-weight:700;color:var(--ink);line-height:1.6;}
.post-nav .pn-right{text-align:right;}
.back-row{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}

/* faq */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:var(--ease);}
.faq-list details[open]{background:#FBF9F4;border-color:#CFE9E4;}
.faq-list summary{list-style:none;cursor:pointer;padding:17px 20px;font-size:15.5px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{content:"+";color:var(--ink-3);font-size:20px;font-weight:600;line-height:1;transition:var(--ease);}
.faq-list details[open] summary::after{content:"−";color:var(--signal);}
.faq-answer{margin:0 20px 18px;padding-left:15px;border-left:3px solid var(--signal);font-size:14.5px;line-height:1.85;color:var(--muted);}

/* cta band */
.cta-band{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:26px;box-shadow:var(--sh);}
.cta-band h3{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:6px;}
.cta-band p{font-size:14px;color:var(--muted);}
.cta-note{font-size:12.5px;color:#8B9694;margin-top:10px;}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--ink);color:rgba(255,255,255,.72);margin-top:76px;padding-top:56px;overflow:hidden;}
.foot-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:44px 44px;pointer-events:none;}
.site-footer .container{position:relative;z-index:1;}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:8px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .brand-mark{background:rgba(47,211,192,.14);color:var(--signal);}
.foot-brand .t{font-weight:800;font-size:17px;color:#fff;letter-spacing:.3px;}
.foot-about{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:350px;}
.foot-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.4px;}
.foot-col ul{display:flex;flex-direction:column;gap:9px;}
.foot-col li{font-size:13px;color:rgba(255,255,255,.62);line-height:1.8;}
.foot-col a{font-size:13px;color:rgba(255,255,255,.66);transition:var(--ease);display:inline-block;}
.foot-col a:hover{color:var(--signal);padding-left:3px;}
.qr-box{margin-top:16px;width:106px;height:106px;border-radius:12px;border:1px dashed rgba(255,255,255,.24);background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;line-height:1.7;color:rgba(255,255,255,.58);}
.foot-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:10px 26px;font-size:12.5px;color:rgba(255,255,255,.5);}

/* ---------- modal ---------- */
.modal-mask{position:fixed;inset:0;z-index:100;background:rgba(11,47,43,.58);display:flex;align-items:center;justify-content:center;padding:20px;}
.modal-mask[hidden]{display:none;}
.modal-panel{position:relative;background:#fff;border-radius:16px;width:min(540px,100%);max-height:88vh;overflow-y:auto;padding:28px;box-shadow:0 24px 60px rgba(11,47,43,.32);}
.modal-close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:#fff;font-size:18px;color:var(--muted);display:flex;align-items:center;justify-content:center;transition:var(--ease);}
.modal-close:hover{border-color:var(--coral);color:var(--coral);}
.modal-panel h3{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.modal-sub{font-size:13.5px;color:var(--muted);line-height:1.8;margin-bottom:20px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field label{font-size:13.5px;color:var(--ink-2);font-weight:600;}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-btn);padding:11px 12px;font-size:14px;background:var(--soft);transition:var(--ease);}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--signal);background:#fff;outline:none;}
.field.has-error input,.field.has-error select{border-color:var(--coral);background:#FFF6F4;}
.field .err{font-size:12px;color:var(--coral);display:none;}
.field.has-error .err{display:block;}
.check-row{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--muted);margin:6px 0 18px;}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--ink-3);}
.modal-panel .btn-primary{width:100%;}
.result-box{text-align:center;padding:24px 8px;}
.result-box .ok-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:#EAF7F3;color:var(--ink-3);font-size:26px;display:flex;align-items:center;justify-content:center;}
.result-box h3{margin-bottom:8px;}
.result-box p{font-size:14px;color:var(--muted);margin-bottom:20px;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .main-nav{display:none;}
  .menu-btn{display:inline-flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-aside{display:none;}
  .article-main{max-width:100%;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  .trend-bar{display:none;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:24px 22px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .pn-right{text-align:left;}
  .modal-mask{align-items:flex-end;padding:0;}
  .modal-panel{width:100%;border-radius:18px 18px 0 0;max-height:92vh;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .grid-cards{grid-template-columns:minmax(0,1fr);}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .brand-text{font-size:16px;}
  .header-inner{height:62px;gap:12px;}
  .article-hero{padding:26px 0 32px;}
  .search-panel{width:min(320px,92vw);}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category3 */
:root{
  --ink:#0B2F2B;
  --ink-2:#12473F;
  --ink-3:#1E6E62;
  --signal:#2FD3C0;
  --coral:#FF6B4A;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --text:#17211F;
  --muted:#5C6B68;
  --line:#E3E0D8;
  --tint:#EFF6F4;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh:0 12px 28px rgba(11,47,43,.08);
  --sh-h:0 18px 36px rgba(11,47,43,.14);
  --maxw:1240px;
  --ease:220ms ease-out;
}
*,*::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:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:15.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease)}
a:hover{color:var(--ink-3)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.num{font-family:Inter,"Space Grotesk",system-ui,sans-serif;font-weight:700;letter-spacing:-.02em}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(11,47,43,.08)}
.nav-shell{
  display:flex;align-items:center;gap:24px;
  min-height:68px;
  padding:10px 0;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--ink);color:#fff;
  font-family:Inter,system-ui,sans-serif;font-weight:700;font-size:15px;
  letter-spacing:.02em;
  border:1px solid rgba(47,211,192,.5);
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0}
.nav-link{
  position:relative;
  padding:9px 13px;border-radius:9px;
  font-size:14.5px;font-weight:600;color:var(--muted);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--signal);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--ink);background:var(--tint)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto;margin-left:auto}
.search-box{position:relative}
.search-box input{
  width:190px;height:40px;padding:0 14px 0 36px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;font-size:14px;transition:border-color var(--ease),box-shadow var(--ease),width var(--ease);
}
.search-box input::placeholder{color:#9AA6A3}
.search-box input:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(47,211,192,.18);width:236px}
.search-box i{position:absolute;left:13px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--muted)}
.nav-divider{width:1px;height:24px;background:var(--line)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:16px;
}
.nav-toggle:hover{border-color:var(--ink-3)}
.hot-bar{
  border-top:1px solid var(--line);
  background:rgba(246,244,239,.75);
  transition:max-height var(--ease),opacity var(--ease);
  max-height:60px;overflow:hidden;
}
.site-header.is-scrolled .hot-bar{max-height:0;opacity:0;border-top-color:transparent}
.hot-scroll{display:flex;align-items:center;gap:10px;padding:9px 24px;overflow-x:auto;scrollbar-width:none}
.hot-scroll::-webkit-scrollbar{display:none}
.hot-tag{
  flex:0 0 auto;
  padding:6px 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--muted);white-space:nowrap;
}
.hot-tag:hover{background:var(--ink);border-color:var(--ink);color:#fff}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;line-height:1;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(255,107,74,.28)}
.btn-primary:hover{background:#FF7C60;color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,107,74,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,107,74,.26)}
.btn-ghost{border:1.5px solid var(--ink-3);color:var(--ink-3);background:transparent}
.btn-ghost:hover{background:var(--ink-3);border-color:var(--ink-3);color:#fff}
.btn-line{border:1px solid var(--line);background:#fff;color:var(--ink)}
.btn-line:hover{border-color:var(--ink-3);color:var(--ink-3)}
.btn-sm{padding:10px 16px;font-size:13.5px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--ink-3);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
}
.text-link:hover{color:var(--signal)}

/* ============ HERO (窄条深色) ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-color:var(--ink);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:rgba(11,47,43,.86);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(47,211,192,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(47,211,192,.10) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.55;
}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:48px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7)}
.crumb a:hover{color:var(--signal)}
.crumb .sep{opacity:.6}
.page-hero h1{
  color:#fff;font-size:clamp(26px,3.2vw,38px);line-height:1.28;
  margin:16px 0 14px;max-width:820px;
}
.page-hero .lede{max-width:760px;color:rgba(255,255,255,.82);font-size:15.5px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip-lite{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  border:1px solid rgba(47,211,192,.45);
  background:rgba(47,211,192,.10);
  font-size:13px;color:#D9F6F1;
}
.chip-lite i{color:var(--signal)}

/* ============ 通用板块 ============ */
.section{padding:76px 0}
.section.tight{padding:56px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.section-head h2{font-size:clamp(21px,2.4vw,27px)}
.section-head .sub{color:var(--muted);font-size:14.5px;margin-top:8px;max-width:680px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  background:var(--tint);color:var(--ink-3);
  font-size:12.5px;font-weight:600;white-space:nowrap;
}
.badge-coral{background:rgba(255,107,74,.12);color:#C8452A}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted)}
.divider-line{height:1px;background:var(--line);border:0;margin:0}

/* ============ 置顶公告 ============ */
.pinned{
  display:grid;grid-template-columns:1.15fr .85fr;gap:32px;
  background:var(--card);border:1px solid var(--line);
  border-left:4px solid var(--ink-3);
  border-radius:var(--r-card);box-shadow:var(--sh);
  padding:30px;transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.pinned:hover{box-shadow:var(--sh-h);transform:translateY(-3px);border-color:var(--ink-3)}
.pinned h3{font-size:clamp(19px,2.2vw,24px);margin:14px 0 12px}
.pinned p{color:var(--muted);font-size:15px}
.pinned-list{margin-top:18px;display:grid;gap:10px}
.pinned-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text)}
.pinned-list i{color:var(--signal);margin-top:6px;font-size:12px}
.pinned-media{position:relative;overflow:hidden;border-radius:var(--r-img);min-height:220px}
.pinned-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.pinned:hover .pinned-media img{transform:scale(1.03)}
.pinned-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,47,43,0) 40%,rgba(11,47,43,.55));border-radius:var(--r-img)}
.pinned-media .cap{
  position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
  color:#fff;font-size:13px;letter-spacing:.01em;
}

/* ============ 时间线 ============ */
.tl-wrap{position:relative;padding-left:0}
.tl-wrap::before{content:"";position:absolute;left:150px;top:8px;bottom:10px;width:1px;background:var(--line)}
.tl-item{position:relative;display:grid;grid-template-columns:150px 1fr;gap:34px;padding-bottom:26px}
.tl-item::before{
  content:"";position:absolute;left:150px;top:12px;
  width:10px;height:10px;border-radius:50%;
  background:#fff;border:2px solid var(--ink-3);
  transform:translateX(-4.5px);z-index:2;
}
.tl-item.is-top::before{border-color:var(--signal);box-shadow:0 0 0 4px rgba(47,211,192,.22);background:var(--signal)}
.tl-date{text-align:right;padding-top:6px}
.tl-date .d{display:block;font-family:Inter,system-ui,sans-serif;font-weight:700;font-size:16px;color:var(--ink)}
.tl-date .t{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:var(--ink-3)}
.tl-card h3{font-size:18px;margin:12px 0 10px}
.tl-card p{color:var(--muted);font-size:14.6px}
.tl-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.tl-item.is-top .tl-card{border-left:3px solid var(--ink-3);background:#F7FBFA}
.tl-badges{display:flex;flex-wrap:wrap;gap:8px;align-items:center}

/* ============ 变更要点表 ============ */
.table-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.changes{width:100%;border-collapse:collapse;min-width:720px}
table.changes th{
  text-align:left;font-size:13px;font-weight:700;color:var(--ink);
  background:var(--tint);padding:14px 18px;border-bottom:1px solid var(--line);
  letter-spacing:.02em;white-space:nowrap;
}
table.changes td{
  padding:16px 18px;border-bottom:1px solid var(--line);
  font-size:14.2px;color:var(--text);vertical-align:top;
}
table.changes tbody tr:last-child td{border-bottom:0}
table.changes tbody tr{transition:background-color var(--ease)}
table.changes tbody tr:hover{background:#FBF9F5}
table.changes td .proj{font-weight:600;color:var(--ink)}
table.changes td .note{display:block;color:var(--muted);font-size:13.4px;margin-top:4px}
.status{display:inline-flex;align-items:center;gap:6px;font-size:12.8px;font-weight:600}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--signal)}
.status.done::before{background:#B9C6C3}
.status.done{color:var(--muted)}

/* ============ CTA ============ */
.cta-bar{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);padding:28px 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
}
.cta-bar h2{font-size:20px}
.cta-bar p{color:var(--muted);font-size:14.4px;margin-top:6px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-note{font-size:12.6px;color:var(--muted);margin-top:10px;display:flex;align-items:center;gap:7px}
.cta-note i{color:var(--ink-3)}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:start}
.faq-aside h2{font-size:clamp(20px,2.3vw,26px)}
.faq-aside p{color:var(--muted);font-size:14.5px;margin-top:12px}
.faq-list{display:grid;gap:12px}
details.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color var(--ease),background-color var(--ease)
}
details.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-size:15.4px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary .ic{color:var(--ink-3);font-size:13px;transition:transform var(--ease)}
details.faq-item[open]{border-color:var(--ink-3);background:#FAFDFC;border-left:3px solid var(--signal)}
details.faq-item[open] summary .ic{transform:rotate(180deg);color:var(--signal)}
details.faq-item .ans{padding:0 22px 20px;color:var(--muted);font-size:14.6px}

/* ============ FOOTER ============ */
.site-footer{position:relative;background:var(--ink);color:rgba(255,255,255,.78);margin-top:8px}
.foot-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(47,211,192,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(47,211,192,.07) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.site-footer .container{position:relative;z-index:2;padding-top:56px;padding-bottom:22px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:38px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{background:transparent;border-color:rgba(47,211,192,.55)}
.foot-brand .t{color:#fff;font-size:17px;font-weight:700}
.foot-about{font-size:13.4px;line-height:1.85;color:rgba(255,255,255,.68);max-width:360px}
.foot-col h4{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:.02em}
.foot-col ul{display:grid;gap:10px}
.foot-col li{font-size:13px;color:rgba(255,255,255,.68);transition:color var(--ease),transform var(--ease)}
.foot-col li:hover{color:var(--signal)}
.foot-col a{display:inline-block;font-size:13px}
.foot-col a:hover{color:var(--signal);transform:translateX(2px)}
.foot-contact li{line-height:1.7}
.qr-box{
  margin-top:18px;width:118px;height:118px;border-radius:12px;
  border:1px dashed rgba(47,211,192,.5);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.4px;color:rgba(255,255,255,.7);padding:10px;line-height:1.6;
}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px 26px;font-size:12.6px;color:rgba(255,255,255,.6);
}

/* ============ MODAL ============ */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(11,47,43,.55);backdrop-filter:blur(2px)}
.modal-panel{
  position:relative;z-index:2;width:min(540px,92vw);margin:6vh auto 0;
  background:#fff;border-radius:16px;box-shadow:0 24px 60px rgba(11,47,43,.3);
  padding:30px;animation:pop var(--ease);
}
@keyframes pop{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.modal-close{
  position:absolute;right:14px;top:12px;width:36px;height:36px;border-radius:10px;
  color:var(--muted);font-size:20px;line-height:1;
}
.modal-close:hover{background:var(--tint);color:var(--ink)}
.modal-panel h3{font-size:20px}
.modal-panel .m-sub{color:var(--muted);font-size:14px;margin-top:8px}
.form-grid{display:grid;gap:14px;margin-top:22px}
.field label{display:block;font-size:13.4px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;font-size:14.4px;transition:border-color var(--ease),box-shadow var(--ease)
}
.field textarea{min-height:92px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(47,211,192,.16)}
.field.has-error input,.field.has-error select{border-color:var(--coral);box-shadow:0 0 0 3px rgba(255,107,74,.14)}
.field .err{display:none;color:#C8452A;font-size:12.4px;margin-top:6px}
.field.has-error .err{display:block}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:12.9px;color:var(--muted)}
.consent input{margin-top:4px;accent-color:var(--ink-3)}
.form-done{display:none;text-align:center;padding:26px 8px}
.form-done .ok{
  width:54px;height:54px;border-radius:50%;margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--tint);color:var(--ink-3);font-size:22px;border:1px solid rgba(47,211,192,.5)
}
.form-done h4{font-size:18px}
.form-done p{color:var(--muted);font-size:14px;margin-top:10px}
.form-done.is-show{display:block}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .search-box input{width:150px}
  .search-box input:focus{width:176px}
  .pinned{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .faq-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 24px 18px;box-shadow:0 18px 30px rgba(11,47,43,.10);
    display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 10px;border-radius:10px}
  .nav-link::after{display:none}
  .nav-link.is-active{background:var(--tint)}
  .nav-shell{position:relative;flex-wrap:wrap}
  .search-box,.nav-divider{display:none}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .hot-scroll{padding:9px 16px}
  .section{padding:52px 0}
  .section.tight{padding:40px 0}
  .page-hero .container{padding-top:30px;padding-bottom:36px}
  .pinned{padding:22px}
  .tl-wrap::before{display:none}
  .tl-item{grid-template-columns:1fr;gap:12px;padding-bottom:20px}
  .tl-item::before{display:none}
  .tl-date{text-align:left;padding-top:0}
  .tl-date .d,.tl-date .t{display:inline-block}
  .tl-date .t{margin-left:10px;margin-top:0}
  .cta-bar{padding:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .foot-grid{grid-template-columns:1fr}
  .modal-panel{padding:24px}
}
@media (max-width:520px){
  .brand-text{font-size:15.5px}
  .btn{padding:11px 16px;font-size:13.8px}
  .tl-card{padding:18px}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --ink:#0B2F2B; --ink-2:#12473F; --ink-3:#1E6E62;
  --signal:#2FD3C0; --coral:#FF6B4A;
  --bg:#F6F4EF; --card:#FFFFFF; --text:#17211F; --muted:#5C6B68; --line:#E3E0D8;
  --r-card:14px; --r-btn:10px; --r-input:10px;
  --shadow:0 12px 28px rgba(11,47,43,.08);
  --shadow-hover:0 16px 34px rgba(11,47,43,.14);
  --maxw:1240px;
  --geo:"Inter","Space Grotesk",system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::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:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:0;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:inherit;text-decoration:none;transition:color .22s ease-out}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:12px;top:12px;border-radius:8px}
.grid-texture{
  background-image:linear-gradient(rgba(11,47,43,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(11,47,43,.055) 1px,transparent 1px);
  background-size:34px 34px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(246,244,239,.96);
  border-bottom:1px solid var(--line);transition:box-shadow .24s ease-out,background .24s ease-out,backdrop-filter .24s ease-out;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  box-shadow:0 8px 22px rgba(11,47,43,.08);
}
.head-main{display:flex;align-items:center;gap:24px;min-height:70px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;background:var(--ink);color:var(--signal);
  font-family:var(--geo);font-weight:700;font-size:15px;letter-spacing:.5px;
}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;padding:8px 14px;border-radius:8px;font-size:15px;color:var(--muted);font-weight:500;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--signal);transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.nav-link:hover{color:var(--ink-2)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.head-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.v-line{width:1px;height:22px;background:var(--line)}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;transition:.22s ease-out;
}
.icon-btn:hover{border-color:var(--ink-3);color:var(--ink);background:#F2F7F5}
.search-wrap{display:flex;align-items:center;gap:8px}
.search-input{
  width:0;opacity:0;padding:0;border:1px solid var(--line);border-radius:var(--r-input);
  height:38px;background:#fff;transition:width .24s ease-out,opacity .24s ease-out,padding .24s ease-out,border-color .22s ease-out;
}
.search-wrap.is-open .search-input{width:240px;opacity:1;padding:0 12px}
.search-input:focus{border-color:var(--signal);outline:none;box-shadow:0 0 0 3px rgba(47,211,192,.18)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.4;
  transition:transform .22s ease-out,box-shadow .22s ease-out,background .22s ease-out,color .22s ease-out,border-color .22s ease-out;
  white-space:nowrap;
}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 8px 20px rgba(255,107,74,.26)}
.btn-primary:hover{background:#FF7C5E;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,107,74,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,107,74,.28)}
.btn-ghost{background:transparent;color:var(--ink-2);border:1px solid var(--ink-3)}
.btn-ghost:hover{background:var(--ink-2);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--ink-2);font-weight:600;font-size:14px;
  border-bottom:1px solid rgba(30,110,98,.4);padding-bottom:2px;text-underline-offset:4px;
}
.btn-text:hover{color:var(--signal);border-color:var(--signal)}
.menu-toggle{display:none}

/* 热词条 */
.hotbar{
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.6);
  max-height:56px;overflow:hidden;
  transition:max-height .26s ease-out,opacity .26s ease-out,border-color .26s ease-out;
}
.site-header.is-compact .hotbar{max-height:0;opacity:0;border-color:transparent}
.hotbar-inner{display:flex;align-items:center;gap:10px;height:52px;overflow-x:auto;scrollbar-width:none}
.hotbar-inner::-webkit-scrollbar{display:none}
.hot-label{font-size:12px;color:var(--muted);flex:0 0 auto;letter-spacing:.08em}
.hot-pill{
  flex:0 0 auto;padding:6px 14px;border-radius:999px;border:1px solid var(--line);
  background:#fff;font-size:13px;color:var(--ink-2);transition:.22s ease-out;
}
.hot-pill:hover{background:var(--ink-2);border-color:var(--ink-2);color:#fff}

/* 移动端抽屉 */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .26s ease-out;padding:22px;box-shadow:-12px 0 30px rgba(11,47,43,.14);
  display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,47,43,.42);z-index:80;opacity:0;pointer-events:none;transition:opacity .24s ease-out;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.drawer a.drawer-link{padding:12px 10px;border-radius:10px;color:var(--ink-2);font-weight:600;border:1px solid transparent}
.drawer a.drawer-link:hover{background:#F2F7F5;border-color:var(--line)}
.drawer a.drawer-link.is-active{background:#EAF6F3;color:var(--ink);border-color:#BFDED8}
.drawer .btn{margin-top:12px}

/* ============ 内页 Hero ============ */
.page-hero{position:relative;background:#fff;border-bottom:1px solid var(--line);overflow:hidden}
.hero-texture{position:absolute;inset:0;opacity:.9;pointer-events:none}
.hero-inner{position:relative;padding:28px 24px 48px}
.crumbs{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs a:hover{color:var(--signal)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:center;margin-top:22px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:#EAF6F3;color:var(--ink-2);font-size:13px;font-weight:600;border:1px solid #C9E4DF;
}
.page-hero h1{font-size:clamp(26px,3.2vw,38px);margin:16px 0 14px;letter-spacing:-.01em}
.hero-sub{color:var(--muted);font-size:16px;line-height:1.9;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-figure{position:relative}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--shadow)}
.hero-figure::after{
  content:"";position:absolute;inset:auto -14px -14px auto;width:96px;height:96px;border:1px solid rgba(47,211,192,.5);
  border-radius:16px;z-index:-1;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.hero-meta div{display:flex;flex-direction:column;gap:2px}
.hero-meta b{font-family:var(--geo);font-size:20px;color:var(--ink)}
.hero-meta span{font-size:13px;color:var(--muted)}

/* ============ 标签筛选 ============ */
.filter-bar{background:var(--bg);border-bottom:1px solid var(--line)}
.filter-inner{display:flex;align-items:center;gap:16px;padding-top:16px;padding-bottom:16px;flex-wrap:wrap}
.filter-label{font-size:13px;color:var(--muted);letter-spacing:.06em}
.filter-chips{display:flex;gap:10px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.filter-chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink-2);transition:.22s ease-out;
}
.chip:hover{border-color:var(--ink-3);color:var(--ink)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:10px}
.section-head p{color:var(--muted);font-size:15px}
.eyebrow{
  font-family:var(--geo);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-3);font-weight:700;margin-bottom:10px;display:block;
}

/* ============ 问答主体 ============ */
.qa-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:start}
.qa-group{margin-bottom:52px;scroll-margin-top:130px}
.qa-group:last-child{margin-bottom:0}
.qa-list{display:flex;flex-direction:column;gap:12px}
.qa-item{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .22s ease-out,background .22s ease-out,box-shadow .22s ease-out;
}
.qa-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--signal);
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease-out;
}
.qa-item:hover{border-color:#C6DCD7;box-shadow:var(--shadow)}
.qa-item.is-open{background:#FBFAF6;border-color:#BFDED8}
.qa-item.is-open::before{transform:scaleY(1)}
.qa-q{
  width:100%;display:flex;align-items:flex-start;gap:14px;text-align:left;
  padding:18px 20px;background:none;
}
.qa-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:#EAF6F3;color:var(--ink-2);
  font-family:var(--geo);font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
}
.qa-item.is-open .qa-num{background:var(--ink);color:var(--signal)}
.qa-title{flex:1 1 auto;font-size:16px;font-weight:600;color:var(--ink);line-height:1.65}
.qa-icon{position:relative;flex:0 0 auto;width:18px;height:18px;margin-top:4px}
.qa-icon::before,.qa-icon::after{
  content:"";position:absolute;background:var(--ink-3);border-radius:2px;transition:transform .22s ease-out,background .22s ease-out;
}
.qa-icon::before{left:0;top:8px;width:18px;height:2px}
.qa-icon::after{left:8px;top:0;width:2px;height:18px}
.qa-item.is-open .qa-icon::after{transform:scaleY(0)}
.qa-item.is-open .qa-icon::before{background:var(--signal)}
.qa-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.qa-a-inner{padding:0 22px 20px 60px;color:var(--muted);font-size:15px;line-height:1.9}
.qa-a-inner p+p{margin-top:10px}
.qa-a-inner strong{color:var(--ink-2)}

/* 侧栏 */
.qa-side{position:sticky;top:132px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow);transition:box-shadow .22s ease-out,transform .22s ease-out,border-color .22s ease-out;
}
.side-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:var(--ink-3)}
.side-card h3{font-size:18px;margin-bottom:10px}
.side-card p{color:var(--muted);font-size:14px;line-height:1.85;margin-bottom:16px}
.side-list{display:flex;flex-direction:column;gap:10px;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line)}
.side-list li{display:flex;gap:8px;font-size:14px;color:var(--muted)}
.side-list li i{color:var(--signal);margin-top:4px;font-size:12px}
.side-mini{background:#FBFAF6;box-shadow:none}
.side-mini:hover{transform:none;box-shadow:none}

/* ============ 三步自查 ============ */
.selfcheck{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);scroll-margin-top:130px}
.selfcheck-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:48px;align-items:start}
.steps{display:flex;flex-direction:column;gap:0}
.step{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.step:first-child{padding-top:0}
.step:last-child{border-bottom:0;padding-bottom:0}
.step-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--ink);color:var(--signal);
  font-family:var(--geo);font-weight:700;display:inline-flex;align-items:center;justify-content:center;font-size:16px;
}
.step h3{font-size:17px;margin-bottom:6px}
.step p{color:var(--muted);font-size:14.5px;line-height:1.85}

/* ============ CTA 横幅 ============ */
.cta-band{background:#EAF6F3;border-top:1px solid #D2E7E2;border-bottom:1px solid #D2E7E2;position:relative;overflow:hidden}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:44px 24px;flex-wrap:wrap;position:relative}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.cta-inner p{color:var(--muted);font-size:14.5px;max-width:640px}
.cta-note{font-size:12.5px;color:var(--muted);margin-top:10px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#D6E3E0;position:relative;overflow:hidden;margin-top:0}
.foot-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:34px 34px;pointer-events:none;
}
.site-footer .container{position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{background:rgba(47,211,192,.14);color:var(--signal)}
.foot-brand .t{font-size:17px;font-weight:700;color:#fff}
.foot-about{font-size:13.5px;line-height:1.9;color:rgba(214,227,224,.78);max-width:400px}
.foot-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:700}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li,.foot-col a{font-size:13px;color:rgba(214,227,224,.78)}
.foot-col a{display:inline-block;transition:transform .2s ease-out,color .2s ease-out}
.foot-col a:hover{color:var(--signal);transform:translateX(2px)}
.qr-box{
  margin-top:16px;width:118px;height:118px;border-radius:12px;border:1px dashed rgba(47,211,192,.5);
  display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;line-height:1.7;
  color:rgba(214,227,224,.7);background:rgba(255,255,255,.03);
}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  padding:20px 0 30px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(214,227,224,.66);
}

/* ============ 线索弹层 ============ */
.lead-modal{
  position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:24px;
}
.lead-modal.is-open{display:flex}
.lead-mask{position:absolute;inset:0;background:rgba(11,47,43,.55);backdrop-filter:blur(3px)}
.lead-panel{
  position:relative;width:min(540px,100%);background:#fff;border-radius:18px;padding:28px;
  box-shadow:0 24px 60px rgba(11,47,43,.28);max-height:92vh;overflow-y:auto;
  animation:panelIn .26s ease-out;
}
@keyframes panelIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.lead-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:6px}
.lead-head h3{font-size:20px}
.lead-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--muted)}
.lead-close:hover{border-color:var(--ink-3);color:var(--ink)}
.lead-sub{font-size:14px;color:var(--muted);margin-bottom:20px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:13.5px;color:var(--ink-2);font-weight:600}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);padding:11px 13px;background:#FCFBF8;
  font-size:14.5px;transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--signal);background:#fff;box-shadow:0 0 0 3px rgba(47,211,192,.18);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--coral);box-shadow:0 0 0 3px rgba(255,107,74,.14)}
.field .err{font-size:12.5px;color:var(--coral);display:none}
.field.has-error .err{display:block}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px;font-size:13px;color:var(--muted)}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--ink-3)}
.lead-result{display:none;text-align:center;padding:26px 8px}
.lead-result.is-on{display:block}
.lead-result i{font-size:34px;color:var(--signal);margin-bottom:12px;display:block}
.lead-result h4{font-size:19px;margin-bottom:8px}
.lead-result p{font-size:14px;color:var(--muted);line-height:1.85}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .main-nav{display:none}
  .menu-toggle{display:inline-flex}
  .qa-layout{grid-template-columns:1fr;gap:32px}
  .qa-side{position:static}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .selfcheck-grid{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .search-wrap.is-open .search-input{width:180px}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .section-tight{padding:44px 0}
  .hero-inner{padding:20px 24px 40px}
  .qa-a-inner{padding:0 18px 18px 18px}
  .qa-q{padding:16px}
  .cta-inner{padding:36px 24px}
  .head-main{min-height:62px;gap:14px}
  .logo-text{font-size:16px}
  .btn-sm{padding:8px 12px;font-size:13px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .head-main{gap:10px}
  .v-line{display:none}
  .search-wrap.is-open .search-input{width:132px}
  .hero-meta{gap:16px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .lead-panel{width:100%;border-radius:18px 18px 0 0;align-self:flex-end;margin-top:auto;animation:sheetIn .26s ease-out}
  .lead-modal{align-items:flex-end;padding:0}
  @keyframes sheetIn{from{transform:translateY(60px)}to{transform:translateY(0)}}
  .step{gap:14px}
  .step-num{width:38px;height:38px;font-size:14px}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}