/* 海鸥云 www.hohy6.com — 编辑风格 · 明亮 · 大气 */
:root{
  --paper:#fbfaf6;--paper-2:#f2efe7;--paper-3:#ebe6da;--white:#fff;
  --ink:#171b22;--ink-2:#39414c;--muted:#6b7480;--line:#e6e1d6;--line-2:#d6d0c4;
  --sea:#0d4e77;--sea-2:#13608f;--sea-deep:#082f49;--sea-ink:#06263b;--sea-tint:#e9f1f7;
  --sand:#b5873a;--sand-2:#caa15a;--sand-deep:#8a6422;--sand-tint:#f8f1e2;--ok:#2f7d4f;
  --serif:"Songti SC","STSong","Noto Serif SC","Noto Serif CJK SC","Source Han Serif SC","SimSun","Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --w:1180px;
  --shadow-s:0 1px 2px rgba(23,27,34,.04),0 4px 14px rgba(23,27,34,.05);
  --shadow-m:0 6px 18px rgba(23,27,34,.07),0 22px 48px rgba(23,27,34,.08);
  --shadow-l:0 10px 30px rgba(8,47,73,.10),0 40px 80px rgba(8,47,73,.14);
  --radius:14px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--sea);text-decoration:none;transition:color .15s}
a:hover{color:var(--sea-2)}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.28;margin:0;color:var(--ink);letter-spacing:.01em}
p{margin:0 0 1em}
.wrap{max-width:var(--w);margin:0 auto;padding:0 28px}
.eyebrow{font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--sand-deep);font-weight:700;margin-bottom:16px;display:inline-flex;align-items:center}
.eyebrow::before{content:"";display:inline-block;width:26px;height:2px;background:linear-gradient(90deg,var(--sand),var(--sand-2));vertical-align:middle;margin-right:12px;border-radius:2px}
.lede{font-size:18.5px;color:var(--ink-2);max-width:680px}
.muted{color:var(--muted)}
.small{font-size:13px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:8px;border:1px solid var(--sea);background:linear-gradient(180deg,var(--sea-2),var(--sea));color:#fff;font-weight:600;font-size:15px;line-height:1;box-shadow:0 2px 6px rgba(13,78,119,.22);transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{color:#fff;box-shadow:0 8px 22px rgba(13,78,119,.32);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--sea);box-shadow:none}
.btn.ghost:hover{background:var(--sea-tint);color:var(--sea-deep)}
.btn.sand{background:linear-gradient(180deg,var(--sand-2),var(--sand));border-color:var(--sand);box-shadow:0 2px 6px rgba(181,135,58,.25)}
.btn.sand:hover{box-shadow:0 8px 22px rgba(181,135,58,.3)}
.btn.lg{padding:15px 32px;font-size:16px}
.btn svg{width:16px;height:16px}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}

/* 顶栏 */
.topbar{background:var(--sea-ink);color:#cdd8e2;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#fff}
.topbar a:hover{color:var(--sand-2)}
.topbar .links{display:flex;gap:20px}
.topbar .links span{opacity:.85}

/* 顶部导航 */
header.site{background:rgba(251,250,246,.86);backdrop-filter:saturate(1.3) blur(10px);-webkit-backdrop-filter:saturate(1.3) blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:13px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand .mark{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:#fff;background:radial-gradient(circle at 38% 32%,var(--sea-2),var(--sea-deep));box-shadow:0 4px 12px rgba(8,47,73,.28),inset 0 1px 0 rgba(255,255,255,.18)}
.brand .mark svg{width:25px;height:25px}
.brand .name{font-family:var(--serif);font-size:23px;font-weight:600;letter-spacing:.09em}
.brand .sub{display:block;font-family:var(--sans);font-size:10.5px;letter-spacing:.24em;color:var(--sand-deep);font-weight:600;margin-top:-1px}
nav.main{display:flex;gap:32px;align-items:center}
nav.main a{color:var(--ink-2);font-size:15px;font-weight:500;padding:6px 0;position:relative}
nav.main a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:linear-gradient(90deg,var(--sea),var(--sea-2));transition:right .2s;border-radius:2px}
nav.main a:not(.btn):hover::after,nav.main a.on::after{right:0}
nav.main a:hover{color:var(--sea)}
nav.main a.on{color:var(--sea);font-weight:600}
nav.main a.btn{padding:11px 20px;font-size:14px;color:#fff}
nav.main a.btn::after{display:none}
nav.main a.btn:hover{color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--line-2);border-radius:8px;width:42px;height:42px;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--ink);margin:4px auto;border-radius:2px}

/* 首屏 */
.hero{position:relative;color:#eaf1f6;background:
  radial-gradient(900px 520px at 82% -8%,rgba(202,161,90,.20),transparent 60%),
  radial-gradient(1100px 680px at 8% 108%,rgba(19,96,143,.55),transparent 62%),
  linear-gradient(158deg,var(--sea-deep) 0%,var(--sea-ink) 56%,#061f30 100%);
  overflow:hidden;border-bottom:1px solid var(--sea-ink)}
.hero::before{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1.4px);background-size:26px 26px}
.hero .waves{position:absolute;left:0;right:0;bottom:-2px;width:100%;height:120px;color:var(--paper);display:block}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:60px;align-items:center;padding-top:104px;padding-bottom:132px}
.hero .eyebrow{color:var(--sand-2)}
.hero .eyebrow::before{background:linear-gradient(90deg,var(--sand-2),transparent)}
.hero h1{font-size:60px;line-height:1.14;margin:0 0 24px;color:#fff;letter-spacing:.005em}
.hero h1 em{font-style:normal;color:var(--sand-2);background:linear-gradient(120deg,var(--sand-2),#e5c78a);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .lede{margin-bottom:38px;color:#c6d4df;max-width:600px;font-size:18px}
.hero .trust{display:flex;gap:16px;margin-top:44px;padding-top:0;border-top:0;font-size:13px;color:#9fb1bf;flex-wrap:wrap}
.hero .trust>div{flex:1 1 150px;padding:14px 20px;border:1px solid rgba(255,255,255,.14);border-radius:12px;background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02))}
.hero .trust b{display:block;font-family:var(--serif);font-size:26px;color:#fff;font-weight:600;margin-bottom:3px;background:linear-gradient(120deg,#fff,#cfe0ec);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* 数据牌 */
.board{position:relative;background:linear-gradient(175deg,rgba(255,255,255,.08),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:30px 32px 14px;backdrop-filter:blur(4px);box-shadow:0 30px 70px rgba(0,0,0,.35)}
.board .cap{display:flex;justify-content:space-between;font-size:11px;letter-spacing:.2em;color:#9fb1bf;text-transform:uppercase;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.16);margin-bottom:4px}
.board .grid{display:grid;grid-template-columns:1fr 1fr}
.board .cell{padding:24px 6px 22px}
.board .cell:nth-child(odd){border-right:1px solid rgba(255,255,255,.12);padding-right:20px}
.board .cell:nth-child(even){padding-left:20px}
.board .cell:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.12)}
.board .num{font-family:var(--serif);font-size:42px;line-height:1;color:#fff;font-weight:600;white-space:nowrap}
.board .num small{font-size:16px;margin-left:3px;color:var(--sand-2)}
.board .lbl{font-size:12.5px;color:#9fb1bf;margin-top:10px}

/* 区块 */
section.blk{padding:96px 0;position:relative}
section.blk.alt{background:
  radial-gradient(900px 500px at 92% 0,rgba(181,135,58,.05),transparent 55%),
  radial-gradient(900px 500px at 4% 100%,rgba(13,78,119,.05),transparent 55%),
  linear-gradient(180deg,#fcfbf7,#f8f5ee);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
section.blk.sand{background:var(--sand-tint)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:56px;position:relative}
.sec-head h2{font-size:40px;letter-spacing:.005em;line-height:1.2}
.sec-head p{margin:14px 0 0;color:var(--muted);max-width:600px;font-size:16px}
.sec-head .more{white-space:nowrap;font-weight:600;color:var(--sea);display:inline-flex;align-items:center;gap:4px}
.sec-head .more:hover{color:var(--sea-2)}

/* 业务双栏 */
.biz{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.biz-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:44px 42px 38px;display:flex;flex-direction:column;position:relative;overflow:hidden;box-shadow:var(--shadow-s);transition:transform .2s,box-shadow .2s,border-color .2s}
.biz-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--sea),var(--sea-2))}
.biz-card:nth-child(2)::before{background:linear-gradient(90deg,var(--sand),var(--sand-2))}
.biz-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--line-2)}
.biz-card .no{font-family:var(--serif);font-size:13px;letter-spacing:.22em;color:var(--sand-deep);font-weight:600}
.biz-card h3{font-size:30px;margin:12px 0 6px}
.biz-card .tag{font-size:13px;color:var(--muted);margin-bottom:20px}
.biz-card p{color:var(--ink-2)}
.biz-card ul{list-style:none;padding:0;margin:16px 0 28px;display:grid;gap:11px}
.biz-card li{padding-left:26px;position:relative;color:var(--ink-2);font-size:15px}
.biz-card li::before{content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;background:var(--sea-tint);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%230d4e77' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.biz-card:nth-child(2) li::before{background-color:var(--sand-tint);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%238a6422' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.biz-card .foot{margin-top:auto;display:flex;gap:12px;flex-wrap:wrap;align-items:center}

/* 特性 */
.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat{padding:36px 32px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-s);transition:transform .18s,box-shadow .18s,border-color .18s;position:relative;overflow:hidden}
.feat::after{content:"";position:absolute;top:-40px;right:-40px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(13,78,119,.06),transparent 70%);transition:transform .3s}
.feat.gold::after{background:radial-gradient(circle,rgba(181,135,58,.08),transparent 70%)}
.feat:hover{transform:translateY(-6px);box-shadow:var(--shadow-m);border-color:#dcebf3}
.feat:hover::after{transform:scale(1.4)}
.feat .ico{width:58px;height:58px;border-radius:14px;display:grid;place-items:center;color:#fff;background:linear-gradient(150deg,var(--sea-2),var(--sea-deep));margin-bottom:22px;box-shadow:0 6px 16px rgba(13,78,119,.25);position:relative}
.feat .ico svg{width:28px;height:28px;stroke-width:1.5}
.feat h3{font-size:19.5px;margin-bottom:9px;position:relative}
.feat p{font-size:14px;color:var(--muted);margin:0}
.feats.three{grid-template-columns:repeat(3,1fr)}
.feats.wrap6{grid-template-columns:repeat(3,1fr)}
.feat.gold .ico{color:#fff;background:linear-gradient(150deg,var(--sand-2),var(--sand-deep));box-shadow:0 6px 16px rgba(181,135,58,.28)}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:s}
.step{counter-increment:s;padding:40px 32px 34px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-s);position:relative;overflow:hidden;transition:transform .18s,box-shadow .18s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-m)}
.step::after{content:"0" counter(s);position:absolute;top:2px;right:18px;font-family:var(--serif);font-size:104px;color:var(--paper-2);line-height:1;font-weight:600;z-index:0;letter-spacing:-.04em;pointer-events:none}
.step::before{content:"0" counter(s);display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:linear-gradient(150deg,var(--sea-2),var(--sea-deep));color:#fff;font-family:var(--serif);font-size:19px;font-weight:600;margin-bottom:18px;box-shadow:0 6px 14px rgba(13,78,119,.25);position:relative;z-index:1}
.step h3{font-size:21px;margin-bottom:8px;position:relative;z-index:1}
.step p{color:var(--muted);font-size:15px;margin:0}

/* 新闻卡 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-s);transition:transform .2s,box-shadow .2s}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.news-card a.cover{display:block;aspect-ratio:16/9;background:linear-gradient(135deg,var(--paper-2),var(--paper-3));overflow:hidden;position:relative}
.news-card a.cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover a.cover img{transform:scale(1.04)}
.news-card a.cover .ph{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--serif);font-size:56px;color:rgba(255,255,255,.92);background:linear-gradient(140deg,var(--sea-2),var(--sea-deep));text-shadow:0 2px 10px rgba(0,0,0,.2)}
.news-card a.cover .ph::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1.4px);background-size:18px 18px;opacity:.6}
.news-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.news-card .meta{display:flex;gap:10px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:12px}
.news-card .meta .src{color:var(--sand-deep);font-weight:700;letter-spacing:.04em}
.news-card h3{font-size:18.5px;line-height:1.45;margin-bottom:9px}
.news-card h3 a{color:var(--ink)}
.news-card h3 a:hover{color:var(--sea)}
.news-card p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card .ext{margin-top:auto;padding-top:16px;font-size:13px;font-weight:500}
.news-list .news-card{flex-direction:row}
.news-list .news-card a.cover{width:300px;flex:none;aspect-ratio:auto}
.news-list{display:grid;gap:22px}
.news-filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.news-filter a{padding:8px 18px;border:1px solid var(--line-2);border-radius:999px;font-size:14px;color:var(--ink-2);background:var(--white);transition:all .15s}
.news-filter a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.news-filter a:hover{border-color:var(--sea);color:var(--sea)}
.news-filter a.on:hover{color:#fff}
.pager{display:flex;gap:8px;justify-content:center;margin-top:48px;flex-wrap:wrap}
.pager a,.pager span{padding:9px 15px;border:1px solid var(--line-2);border-radius:8px;font-size:14px;background:var(--white);transition:all .15s}
.pager a:hover{border-color:var(--sea);color:var(--sea)}
.pager span.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.pager span.gap{border:0;background:none;padding:9px 4px;color:var(--muted)}
.pager span.dis{color:var(--muted);opacity:.5}

/* 文章页 */
.article{max-width:800px;margin:0 auto}
.article .crumbs{font-size:13px;color:var(--muted);margin-bottom:26px}
.article .crumbs a{color:var(--muted)}
.article .crumbs a:hover{color:var(--sea)}
.article h1{font-size:40px;line-height:1.28;margin-bottom:20px}
.article .meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted);padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:34px}
.article .cover{border-radius:var(--radius);overflow:hidden;margin-bottom:34px;border:1px solid var(--line);box-shadow:var(--shadow-s)}
.prose{font-size:17px;line-height:1.95;color:var(--ink-2)}
.prose h2{font-size:27px;margin:48px 0 16px;color:var(--ink);padding-left:16px;border-left:4px solid var(--sand);line-height:1.35}
.prose h3{font-size:21px;margin:36px 0 12px;color:var(--ink)}
.prose h4{font-size:18px;margin:28px 0 10px}
.prose p{margin:0 0 1.2em}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.2em}
.prose li{margin:.35em 0}
.prose blockquote{margin:1.6em 0;padding:16px 24px;border-left:3px solid var(--sand);background:var(--sand-tint);border-radius:0 10px 10px 0;color:var(--ink-2)}
.prose blockquote p{margin:0}
.prose code{background:var(--paper-2);padding:2px 6px;border-radius:4px;font-size:.9em}
.prose pre{background:#14212e;color:#e8ecf1;padding:20px 22px;border-radius:12px;overflow:auto;font-size:14px;line-height:1.6;box-shadow:var(--shadow-s)}
.prose pre code{background:none;padding:0;color:inherit}
.prose img{border-radius:12px;margin:1.4em auto;box-shadow:var(--shadow-s)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.prose .tbl{overflow:auto;margin:1.6em 0;border-radius:12px;border:1px solid var(--line);box-shadow:var(--shadow-s)}
.prose table{border-collapse:collapse;width:100%;font-size:15px}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:12px 16px;text-align:left;vertical-align:top}
.prose tr:last-child td{border-bottom:0}
.prose th{background:var(--paper-2);font-weight:600;color:var(--ink);border-bottom:2px solid var(--line-2)}
.prose tbody tr:hover{background:#fbfaf6}
.article .tags{margin-top:40px;display:flex;gap:8px;flex-wrap:wrap}
.article .tags a{font-size:13px;padding:6px 14px;border:1px solid var(--line-2);border-radius:999px;color:var(--ink-2)}
.article .tags a:hover{border-color:var(--sea);color:var(--sea)}
.article .cta{margin-top:48px;padding:30px 34px;background:linear-gradient(135deg,var(--sea-tint),#f3f9fc);border:1px solid #dcebf3;border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:20px}
.article .cta h3{font-size:21px;margin-bottom:6px}
.article .cta p{margin:0;color:var(--ink-2);font-size:14px}
.related{margin-top:72px;padding-top:44px;border-top:1px solid var(--line)}
.related h2{font-size:26px;margin-bottom:26px}

/* 套餐表 */
.plan-group{margin-bottom:56px}
.plan-group h3{font-size:26px;margin-bottom:6px}
.plan-group .desc{color:var(--muted);margin-bottom:24px;font-size:15px}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.plan{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;display:flex;flex-direction:column;box-shadow:var(--shadow-s);transition:transform .18s,box-shadow .18s,border-color .18s}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--sea)}
.plan .pn{font-weight:600;font-size:16px;color:var(--ink)}
.plan .pd{font-size:13px;color:var(--muted);margin:4px 0 16px;min-height:20px}
.plan .pp{font-family:var(--serif);font-size:34px;color:var(--sea);font-weight:600;line-height:1}
.plan .pp small{font-family:var(--sans);font-size:13px;color:var(--muted);font-weight:400;margin-left:4px}
.plan .po{font-size:12px;color:var(--muted);margin-top:6px;text-decoration:line-through}
.plan ul{list-style:none;padding:0;margin:18px 0 22px;display:grid;gap:9px;font-size:13.5px;color:var(--ink-2)}
.plan li{padding-left:20px;position:relative}
.plan li::before{content:"";position:absolute;left:0;top:7px;width:12px;height:12px;border-radius:50%;background:var(--sand-tint);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 6.3l2 2 4-4.3' fill='none' stroke='%238a6422' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.plan .btn{margin-top:auto;justify-content:center}
.plan.three{grid-template-columns:repeat(3,1fr)}
.plans.n3{grid-template-columns:repeat(3,1fr)}

/* FAQ */
.faq{max-width:860px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:var(--white);box-shadow:var(--shadow-s);overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:22px 52px 22px 24px;font-size:17px;font-weight:600;color:var(--ink);position:relative;font-family:var(--serif)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:22px;top:50%;width:11px;height:11px;margin-top:-6px;border-right:2px solid var(--sand-deep);border-bottom:2px solid var(--sand-deep);transform:rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.faq details[open] summary{color:var(--sea)}
.faq .ans{padding:0 24px 24px;color:var(--ink-2);font-size:15.5px}
.faq .ans p{margin:0 0 .6em}

/* 页头（内页） */
.page-head{position:relative;padding:76px 0 60px;color:#eaf1f6;overflow:hidden;background:
  radial-gradient(700px 400px at 88% -20%,rgba(202,161,90,.18),transparent 60%),
  linear-gradient(155deg,var(--sea-deep),var(--sea-ink) 70%,#061f30)}
.page-head::before{content:"";position:absolute;inset:0;opacity:.45;pointer-events:none;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1.4px);background-size:26px 26px}
.page-head .wrap{position:relative;z-index:2}
.page-head .eyebrow{color:var(--sand-2)}
.page-head .eyebrow::before{background:linear-gradient(90deg,var(--sand-2),transparent)}
.page-head h1{font-size:46px;margin-bottom:16px;color:#fff}
.page-head .lede{margin:0;color:#c6d4df}
.page-head .btn.ghost{color:#fff;border-color:rgba(255,255,255,.35)}
.page-head .btn.ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.page-head.split .wrap{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:end}

/* 两栏信息 */
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.kv{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:var(--shadow-s)}
.kv div{display:flex;justify-content:space-between;gap:20px;padding:16px 22px;border-bottom:1px solid var(--line);font-size:15px}
.kv div:last-child{border-bottom:0}
.kv div:nth-child(odd){background:#fcfbf7}
.kv div span:first-child{color:var(--muted);flex:none}
.kv div span:last-child{text-align:right;color:var(--ink);font-weight:500}
.kv b{font-family:var(--sans)}

/* 联系 */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ccard{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-s);transition:transform .18s,box-shadow .18s}
.ccard:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.ccard .k{font-size:12px;letter-spacing:.2em;color:var(--sand-deep);text-transform:uppercase;font-weight:700}
.ccard .v{font-family:var(--serif);font-size:27px;margin:12px 0 8px;color:var(--ink);word-break:break-all}
.ccard p{color:var(--muted);font-size:14px;margin:0}
.copy{font-size:12px;color:var(--sea);cursor:pointer;border:1px solid #dcebf3;background:var(--sea-tint);border-radius:5px;padding:3px 9px;margin-left:8px;font-family:var(--sans);transition:background .15s}
.copy:hover{background:#dcebf3}

/* CTA 条 */
.cta-band{position:relative;color:#fff;padding:76px 0;overflow:hidden;background:
  radial-gradient(600px 300px at 12% 120%,rgba(202,161,90,.22),transparent 60%),
  linear-gradient(130deg,var(--sea-deep),var(--sea-ink) 72%,#061f30)}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.4;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1.4px);background-size:24px 24px}
.cta-band::after{content:"";position:absolute;right:-140px;top:-140px;width:460px;height:460px;border-radius:50%;border:1px solid rgba(202,161,90,.22);box-shadow:inset 0 0 0 60px rgba(255,255,255,.015),inset 0 0 0 61px rgba(202,161,90,.12);pointer-events:none}
.cta-band .wrap{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:40px}
.cta-band h2{color:#fff;font-size:38px;margin-bottom:12px;position:relative;padding-top:18px}
.cta-band h2::before{content:"";position:absolute;top:0;left:0;width:44px;height:2px;background:linear-gradient(90deg,var(--sand-2),transparent)}
.cta-band p{color:#b7c6d2;margin:0;max-width:560px;font-size:16px}
.cta-band .btn-row{flex-shrink:0}
.cta-band .btn{background:#fff;color:var(--sea-deep);border-color:#fff}
.cta-band .btn:hover{background:#f0ede6;color:var(--sea-ink)}
.cta-band .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.cta-band .btn.ghost:hover{background:rgba(255,255,255,.1)}

/* 页脚 */
footer.site{background:var(--sea-ink);color:#9fb1bf;padding:64px 0 28px;font-size:14px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
footer h4{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:16px;font-family:var(--sans);font-weight:600}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
footer a{color:#b7c6d2}
footer a:hover{color:var(--sand-2)}
footer .about{max-width:400px}
footer .about .brand{margin-bottom:16px;color:#fff}
footer .about .brand:hover{color:#fff}
footer .about .brand .name{color:#fff}
footer .about .brand .mark{border:0}
footer .about p{color:#8ea0af;line-height:1.75}
footer .legal{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:24px;font-size:13px;color:#7f93a2}
footer .legal a{color:#8ea0af}

/* 公告条 */
.notice{background:var(--sand-tint);border:1px solid #ead9b8;border-radius:10px;padding:14px 18px;font-size:14px;color:#6d4f1a;display:flex;gap:12px;align-items:flex-start}
.notice svg{width:18px;height:18px;flex:none;margin-top:3px}

/* 响应式 */
@media (max-width:1024px){
  .hero h1{font-size:46px}
  .hero .wrap{padding-top:80px;padding-bottom:110px}
  .sec-head h2{font-size:32px}
  .feats{grid-template-columns:repeat(2,1fr)}
  .feats.wrap6{grid-template-columns:repeat(2,1fr)}
  .plans{grid-template-columns:repeat(2,1fr)}
  .plans.n3{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .contact-cards{grid-template-columns:1fr 1fr}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .topbar .links span.hide-m{display:none}
  nav.main{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 28px 20px;box-shadow:var(--shadow-m)}
  nav.main.open{display:flex}
  nav.main a{padding:14px 0;border-bottom:1px solid var(--line)}
  nav.main a:not(.btn)::after{display:none}
  nav.main .btn{margin-top:14px;justify-content:center}
  .nav-toggle{display:block}
  .hero{text-align:left}
  .hero .wrap{grid-template-columns:1fr;gap:40px;padding-top:60px;padding-bottom:96px}
  .hero h1{font-size:38px}
  .hero .waves{height:70px}
  .trust{gap:22px;flex-wrap:wrap}
  section.blk{padding:64px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:36px}
  .sec-head h2{font-size:28px}
  .biz{grid-template-columns:1fr}
  .biz-card{padding:34px 28px 30px}
  .feats,.feats.wrap6{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:18px}
  .news-grid{grid-template-columns:1fr}
  .news-list .news-card{flex-direction:column}
  .news-list .news-card a.cover{width:100%;aspect-ratio:16/9}
  .plans,.plans.n3{grid-template-columns:1fr}
  .page-head{padding:56px 0 44px}
  .page-head h1{font-size:32px}
  .page-head.split .wrap{grid-template-columns:1fr;gap:24px}
  .cols2{grid-template-columns:1fr;gap:30px}
  .contact-cards{grid-template-columns:1fr}
  .cta-band{padding:60px 0}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
  .cta-band h2{font-size:28px}
  .article h1{font-size:30px}
  .prose{font-size:16px}
  .article .cta{flex-direction:column;align-items:flex-start}
  footer .cols{grid-template-columns:1fr;gap:28px}
}