/* ============================================================
   逐时资讯 — 浅色科技蓝 / 资讯阅读风  styles.css
   视觉DNA: 浅蓝白底 + 主蓝 #2563EB + 青色 #06B6D4 渐变 · 圆角胶囊按钮 · 毛玻璃导航 · 白卡片
   对齐官网 zhushiai.com 视觉规范
   ============================================================ */
:root{
  --bg:#ffffff; --bg2:#f0f4ff; --panel:#ffffff; --panel2:#f6f8fc;
  --ink:#0f172a; --ink-dim:#475569; --ink-mute:#94a3b8;
  --line:#e2e8f0; --line-strong:#cbd5e1;
  --accent:#2563eb; --accent-2:#1d4ed8; --accent2:#06b6d4;
  --hl:#f59e0b;
  --grad:linear-gradient(135deg,#2563eb 0%,#06b6d4 100%);
  --grad-soft:linear-gradient(135deg,rgba(37,99,235,.10),rgba(6,182,212,.10));
  --ok:#10b981; --err:#ef4444;
  --r:14px; --r-sm:10px; --r-lg:18px; --maxw:1200px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.04),0 1px 3px rgba(15,23,42,.06);
  --shadow-md:0 4px 12px -2px rgba(15,23,42,.08),0 2px 6px -2px rgba(15,23,42,.05);
  --shadow-lg:0 18px 40px -12px rgba(37,99,235,.18),0 8px 20px -8px rgba(15,23,42,.08);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-en:"Inter","Segoe UI",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;min-width:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:820px}
.skip-link{position:absolute;left:-999px}
.skip-link:focus{left:12px;top:12px;background:var(--accent);color:#fff;padding:8px 14px;border-radius:8px;z-index:999}

/* ---------- buttons ---------- */
.btn-solid,.btn-line,.btn-ghost{font-family:inherit;font-weight:600;cursor:pointer;border:none;border-radius:100px;transition:.2s;font-size:14px;letter-spacing:.2px}
.btn-solid{background:var(--grad);color:#fff;padding:10px 22px;box-shadow:0 4px 12px -2px rgba(37,99,235,.35)}
.btn-solid:hover{transform:translateY(-1px);box-shadow:0 8px 18px -4px rgba(37,99,235,.45);filter:brightness(1.05)}
.btn-line{background:#fff;color:var(--accent);border:1.5px solid var(--line-strong);padding:10px 22px}
.btn-line:hover{border-color:var(--accent);color:var(--accent);background:var(--bg2)}
.btn-ghost{background:transparent;color:var(--ink-dim);padding:8px 14px}
.btn-ghost:hover{color:var(--accent);background:var(--bg2)}
.lg{padding:13px 30px;font-size:15px}
.block{width:100%;display:block;margin-top:6px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.78);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.head-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:42px;height:42px;display:grid;place-items:center;background:var(--grad);color:#fff;font-weight:900;font-size:22px;border-radius:12px;box-shadow:0 6px 14px -4px rgba(37,99,235,.45)}
.brand-mark.sm{width:34px;height:34px;font-size:18px}
.brand-text b{display:block;font-size:18px;font-weight:800;letter-spacing:.5px;color:var(--ink);white-space:nowrap}
.brand-text i{font-style:normal;font-size:9.5px;letter-spacing:1.5px;color:var(--ink-mute);font-family:var(--font-en);white-space:nowrap}
.main-nav{display:flex;gap:6px;margin-left:8px}
.main-nav a{padding:8px 14px;font-size:15px;color:var(--ink-dim);border-radius:8px;font-weight:600;transition:.15s}
.main-nav a:hover{color:var(--accent);background:var(--bg2)}
.main-nav a.is-active{color:var(--accent);background:var(--bg2)}
.head-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.acct-chip{display:flex;align-items:center;gap:7px;background:var(--bg2);border:1px solid var(--line);color:var(--ink);padding:8px 14px;border-radius:100px;cursor:pointer;font-weight:700;font-size:14px;transition:.15s}
.acct-chip:hover{border-color:var(--accent)}
.acct-chip .dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px}

/* ticker */
.ticker{border-top:1px solid var(--line);background:var(--bg2);overflow:hidden}
.ticker-track{display:flex;white-space:nowrap;padding:8px 0;animation:scrollx 28s linear infinite;font-size:13px;color:var(--ink-dim);font-weight:500;width:max-content}
.ticker-group{display:flex;gap:48px;padding-right:48px;flex-shrink:0}
.ticker-track span{display:inline-flex;gap:8px;align-items:center}
.ticker-track span::before{content:"●";color:var(--accent);font-size:8px}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- views ---------- */
.view{display:none}
.view.is-active{display:block;animation:fade .3s}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,#f0f4ff 0%,#ffffff 100%);border-bottom:1px solid var(--line);padding:64px 0 72px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-20%;right:-10%;width:60%;height:140%;background:radial-gradient(closest-side,rgba(6,182,212,.16),transparent 70%);pointer-events:none}
.hero::after{content:"";position:absolute;bottom:-30%;left:-10%;width:50%;height:120%;background:radial-gradient(closest-side,rgba(37,99,235,.14),transparent 70%);pointer-events:none}
.hero-grid{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1.5fr .9fr;gap:48px;align-items:center;position:relative;z-index:1}
.kicker{display:inline-block;font-size:12px;letter-spacing:3px;color:var(--accent);font-weight:700;margin-bottom:18px;background:var(--bg2);padding:6px 14px;border-radius:100px;border:1px solid rgba(37,99,235,.18)}
.hero-title{font-size:clamp(34px,5.4vw,64px);line-height:1.08;font-weight:800;letter-spacing:-1px;color:var(--ink)}
.hero-title .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--accent)}
.hero-title .hl2{color:var(--accent2)}
.hero-sub{margin:24px 0 28px;color:var(--ink-dim);font-size:17px;max-width:46ch;line-height:1.75}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-tags{list-style:none;display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;font-size:13px;color:var(--ink-dim);font-weight:600}
.hero-tags li{background:#fff;border:1px solid var(--line);padding:6px 12px;border-radius:100px}
.poster{aspect-ratio:3/4;background:var(--grad);border-radius:18px;padding:26px;display:flex;flex-direction:column;color:#fff;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.poster::after{content:"AI";position:absolute;bottom:-14px;right:10px;font-size:64px;font-weight:900;opacity:.18;letter-spacing:2px;font-family:var(--font-en)}
.poster-num{font-size:120px;font-weight:900;line-height:.9;margin-top:auto;font-family:var(--font-en)}
.poster-cap{font-size:15px;font-weight:700;margin-top:8px}
.poster-line{height:2px;background:rgba(255,255,255,.4);margin:16px 0}
.poster-foot{font-size:12px;letter-spacing:2px;opacity:.9}

/* ---------- section heads ---------- */
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:60px 0 24px;flex-wrap:wrap}
.sec-head h2{font-size:28px;font-weight:800;letter-spacing:-.5px;position:relative;padding-left:16px;color:var(--ink)}
.sec-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:5px;background:var(--grad);border-radius:3px}
.sec-note{color:var(--ink-dim);font-size:14px}
.more{color:var(--accent);font-size:14px;font-weight:700}
.more:hover{text-decoration:underline}

/* ---------- feature row ---------- */
.feature-row{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:18px}
.feat{border-radius:var(--r);overflow:hidden;background:var(--panel);border:1px solid var(--line);cursor:pointer;transition:.22s;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.feat:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-lg)}
.feat-cover{aspect-ratio:16/10;position:relative}
.feat.big .feat-cover{aspect-ratio:16/11}
.feat-cover .col-tag{position:absolute;top:12px;left:12px;background:rgba(15,23,42,.72);backdrop-filter:blur(6px);color:#fff;font-size:12px;font-weight:700;padding:5px 11px;border-radius:7px}
.feat-cover .price-tag{position:absolute;top:12px;right:12px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:5px 10px;border-radius:7px}
.feat-cover .price-tag.free{background:var(--ok);color:#fff}
.feat-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.feat-body h3{font-size:17px;font-weight:700;line-height:1.4;color:var(--ink)}
.feat.big .feat-body h3{font-size:22px}
.feat-body p{color:var(--ink-dim);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feat-meta{margin-top:auto;display:flex;gap:14px;color:var(--ink-mute);font-size:12px;padding-top:6px}

/* ---------- zone grid ---------- */
.zone-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.zone{padding:24px 22px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);cursor:pointer;transition:.22s;position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.zone:hover{transform:translateY(-3px);border-color:var(--accent);box-shadow:var(--shadow-md)}
.zone::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--za,var(--accent))}
.zone h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.zone p{color:var(--ink-dim);font-size:13.5px}
.zone .zc{margin-top:14px;font-size:12px;color:var(--za,var(--accent));font-weight:700}

/* ---------- latest grid (text-led list) ---------- */
.latest-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lrow{display:flex;gap:16px;padding:16px;border-radius:12px;background:var(--panel);border:1px solid var(--line);cursor:pointer;transition:.2s}
.lrow:hover{border-color:var(--accent);transform:translateX(3px);box-shadow:var(--shadow-sm)}
.lrow .lcover{width:96px;height:72px;border-radius:9px;flex-shrink:0;background-size:cover;background-position:center}
.lrow .lbody{display:flex;flex-direction:column;gap:6px}
.lrow h4{font-size:15.5px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--ink)}
.lrow .lmeta{margin-top:auto;font-size:12px;color:var(--ink-mute);display:flex;gap:12px}
.lrow .lmeta b{color:var(--accent);font-weight:700}
.lrow .lmeta b.free{color:var(--ok)}

/* ---------- trust ---------- */
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:48px auto 56px}
.tcard{text-align:center;padding:26px 12px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm)}
.tcard b{display:block;font-size:34px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-family:var(--font-en)}
.tcard span{color:var(--ink-dim);font-size:13px}

/* ---------- list view ---------- */
.page-title{padding:40px 0 8px}
.page-title h1{font-size:38px;font-weight:800;letter-spacing:-1px;color:var(--ink)}
.page-title p{color:var(--ink-dim);margin-top:8px}
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0 26px}
.filter-bar button{background:var(--panel);border:1px solid var(--line);color:var(--ink-dim);padding:9px 18px;border-radius:100px;cursor:pointer;font-weight:600;font-size:14px;font-family:inherit;transition:.15s}
.filter-bar button:hover{color:var(--accent);border-color:var(--accent)}
.filter-bar button.on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 4px 12px -2px rgba(37,99,235,.35)}
.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;padding-bottom:60px}
.acard{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:pointer;transition:.22s;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.acard:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-lg)}
.acard .acover{aspect-ratio:16/9;position:relative}
.acard .col-tag{position:absolute;top:10px;left:10px;background:rgba(15,23,42,.72);color:#fff;font-size:11px;font-weight:700;padding:4px 10px;border-radius:6px}
.acard .price-tag{position:absolute;top:10px;right:10px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:4px 9px;border-radius:6px}
.acard .price-tag.free{background:var(--ok);color:#fff}
.acard .abody{padding:16px;display:flex;flex-direction:column;gap:9px;flex:1}
.acard h3{font-size:17px;font-weight:700;line-height:1.4;color:var(--ink)}
.acard p{color:var(--ink-dim);font-size:13.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.acard .ameta{margin-top:auto;display:flex;gap:12px;font-size:12px;color:var(--ink-mute);padding-top:4px}

/* ---------- columns view ---------- */
.column-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;padding-bottom:60px}
.colcard{padding:26px 24px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);border-top:4px solid var(--ca,var(--accent));box-shadow:var(--shadow-sm);transition:.2s}
.colcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.colcard h3{font-size:20px;font-weight:800;margin-bottom:10px;color:var(--ink)}
.colcard p{color:var(--ink-dim);font-size:14px}
.colcard .cc-count{margin-top:18px;font-size:13px;font-weight:700;color:var(--ca,var(--accent))}

/* ---------- reports view ---------- */
.report-list{display:flex;flex-direction:column;gap:16px;padding-bottom:60px}
.repcard{display:flex;gap:22px;padding:24px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);align-items:center;flex-wrap:wrap;box-shadow:var(--shadow-sm);transition:.2s}
.repcard:hover{box-shadow:var(--shadow-md);border-color:var(--accent)}
.repcard .rep-badge{width:70px;height:90px;border-radius:10px;background:var(--grad);display:grid;place-items:center;color:#fff;font-weight:800;font-size:13px;flex-shrink:0;text-align:center;line-height:1.3;padding:8px;box-shadow:0 6px 14px -4px rgba(37,99,235,.4)}
.repcard .rep-main{flex:1;min-width:240px}
.repcard h3{font-size:19px;font-weight:700;color:var(--ink)}
.repcard p{color:var(--ink-dim);font-size:14px;margin:8px 0}
.repcard .rep-meta{font-size:12px;color:var(--ink-mute);display:flex;gap:14px}
.repcard .rep-buy{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.repcard .rep-buy b{font-size:24px;font-weight:800;color:var(--accent)}

/* ---------- prose / about ---------- */
.prose{padding-bottom:60px;font-size:16px;color:var(--ink)}
.prose p{margin:16px 0;color:var(--ink-dim);line-height:1.85}
.prose h3{margin:30px 0 10px;font-size:20px;font-weight:700;color:var(--ink)}
.prose ul{margin:12px 0 12px 22px;color:var(--ink-dim)}
.prose li{margin:7px 0;line-height:1.7}

/* ---------- DETAIL PAGE (side TOC) ---------- */
.detail-wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1fr 260px;gap:42px;align-items:start}
.detail-main{padding:36px 0 70px;min-width:0}
.detail-cover{aspect-ratio:21/9;border-radius:16px;margin-bottom:26px;background-size:cover;background-position:center}
.detail-col{display:inline-block;background:var(--grad);color:#fff;font-size:13px;font-weight:700;padding:5px 14px;border-radius:100px;margin-bottom:16px}
.detail-main h1{font-size:34px;font-weight:800;line-height:1.25;letter-spacing:-.5px;color:var(--ink)}
.detail-info{display:flex;gap:18px;color:var(--ink-mute);font-size:13px;margin:16px 0 26px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:20px}
.detail-body p{font-size:17px;line-height:1.95;margin:20px 0;color:#1e293b}
.detail-body p.locked{filter:blur(5px);user-select:none;pointer-events:none}
.lock-gate{margin:30px 0;padding:34px;text-align:center;background:var(--grad-soft);border:1px solid var(--line);border-radius:16px}
.lock-gate .lk-ic{font-size:34px}
.lock-gate h3{font-size:20px;font-weight:700;margin:10px 0 6px;color:var(--ink)}
.lock-gate p{color:var(--ink-dim);font-size:14px;margin-bottom:18px}
.lock-gate .lk-price{font-size:30px;font-weight:800;color:var(--accent);margin-bottom:16px}
.detail-side{position:sticky;top:96px;padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm)}
.detail-side h4{font-size:13px;letter-spacing:2px;color:var(--ink-mute);margin-bottom:14px;text-transform:uppercase;font-weight:700}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.toc-list li{font-size:14px;color:var(--ink-dim);cursor:pointer;padding-left:14px;border-left:2px solid var(--line);transition:.15s;line-height:1.5}
.toc-list li:hover{color:var(--accent);border-color:var(--accent)}
.side-tags{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px}
.side-tags span{font-size:12px;background:var(--bg2);color:var(--ink-dim);padding:4px 10px;border-radius:6px}
.detail-back{display:inline-flex;gap:6px;color:var(--ink-dim);font-size:14px;margin:24px 0 0;cursor:pointer}
.detail-back:hover{color:var(--accent)}

/* ---------- personal center ---------- */
.pc-head{background:var(--grad-soft);border-bottom:1px solid var(--line);padding:42px 0}
.pc-head-in{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:22px}
.pc-avatar{width:72px;height:72px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:30px;font-weight:800;color:#fff;box-shadow:0 8px 18px -4px rgba(37,99,235,.4)}
.pc-head h1{font-size:26px;font-weight:800;color:var(--ink)}
.pc-head p{color:var(--ink-dim);font-size:14px;margin-top:4px}
.pc-tabs{display:flex;gap:8px;margin:26px 0 22px;flex-wrap:wrap}
.pc-tabs button{background:var(--panel);border:1px solid var(--line);color:var(--ink-dim);padding:10px 20px;border-radius:100px;cursor:pointer;font-weight:600;font-family:inherit;font-size:14px;transition:.15s}
.pc-tabs button:hover{color:var(--accent);border-color:var(--accent)}
.pc-tabs button.on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 4px 12px -2px rgba(37,99,235,.35)}
.pc-panel{padding-bottom:60px}
.rec-row{display:flex;justify-content:space-between;gap:16px;padding:16px 18px;background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;align-items:center;flex-wrap:wrap;box-shadow:var(--shadow-sm)}
.rec-row h4{font-size:15px;font-weight:600;color:var(--ink)}
.rec-row .rec-meta{font-size:12px;color:var(--ink-mute);margin-top:4px}
.rec-row .rec-amt{font-weight:800;color:var(--accent)}
.empty{padding:50px;text-align:center;color:var(--ink-dim);background:var(--panel);border:1px dashed var(--line-strong);border-radius:14px}
.profile-form{max-width:480px;display:flex;flex-direction:column;gap:16px}

/* ---------- modals ---------- */
.modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
.modal[hidden]{display:none}
.modal-mask{position:absolute;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(4px)}
.modal-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:32px;width:100%;max-width:420px;animation:pop .26s;max-height:92vh;overflow:auto;box-shadow:0 24px 60px -12px rgba(15,23,42,.25)}
@keyframes pop{from{opacity:0;transform:scale(.94) translateY(10px)}to{opacity:1;transform:none}}
.modal-card.split{max-width:760px;display:grid;grid-template-columns:1fr 1fr;padding:0;overflow:hidden}
.split-visual{background:var(--grad);padding:38px 32px;display:flex;flex-direction:column;justify-content:center;color:#fff;position:relative;overflow:hidden}
.split-visual::after{content:"";position:absolute;bottom:-30%;right:-20%;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.12)}
.sv-kicker{font-size:12px;letter-spacing:3px;opacity:.85;margin-bottom:18px;font-family:var(--font-en);position:relative;z-index:1}
.split-visual h3{font-size:30px;font-weight:800;line-height:1.2;position:relative;z-index:1}
.sv-note{margin-top:14px;opacity:.9;font-size:14px;position:relative;z-index:1}
.split-form{padding:34px 32px;position:relative}
.modal-x{position:absolute;top:14px;right:16px;background:none;border:none;color:var(--ink-mute);font-size:26px;cursor:pointer;line-height:1}
.modal-x:hover{color:var(--ink)}
.modal-card h2{font-size:23px;font-weight:800;color:var(--ink)}
.modal-lead{color:var(--ink-dim);font-size:14px;margin:8px 0 20px}
.fld{display:block;margin-bottom:15px}
.fld>span{display:block;font-size:13px;font-weight:700;color:var(--ink-dim);margin-bottom:7px}
.fld input{width:100%;background:var(--bg2);border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;color:var(--ink);font-size:15px;font-family:inherit;transition:.15s}
.fld input:focus{outline:none;border-color:var(--accent);background:#fff}
.fld input.bad{border-color:var(--err)}
.fld-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.captcha-row{display:flex;gap:10px}
.captcha-row input{flex:1}
.captcha-img{border-radius:10px;cursor:pointer;border:1.5px solid var(--line);flex-shrink:0;background:#fff}
.agree{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--ink-dim);margin:6px 0 18px;cursor:pointer;line-height:1.5}
.agree input{margin-top:3px;flex-shrink:0;width:16px;height:16px;accent-color:var(--accent)}
.agree a{color:var(--accent);font-weight:600}
.form-alt{margin-top:16px;font-size:13.5px;color:var(--ink-dim);text-align:center}
.form-alt a{color:var(--accent);font-weight:700}
.form-alt a.r{float:right}
/* inline field error */
.field-err{display:block;color:var(--err);font-size:12.5px;margin-top:6px;font-weight:600;animation:shake .3s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}

/* pay modal */
.pay-card{max-width:560px}
.pay-body{display:grid;grid-template-columns:1fr 220px;gap:24px;margin-top:16px}
.pay-art{font-size:16px;font-weight:700;line-height:1.4;color:var(--ink)}
.pay-price{margin:16px 0;font-size:15px;color:var(--ink-dim)}
.pay-price b{font-size:30px;color:var(--accent);font-weight:800}
.pay-points{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--ink-dim)}
.pay-points li{padding-left:20px;position:relative}
.pay-points li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:900}
.pay-qr{text-align:center}
.pay-qr img{width:180px;height:180px;border-radius:12px;background:#fff;padding:8px;margin:0 auto;border:1px solid var(--line)}
.pay-qr p{font-size:13px;color:var(--ink-dim);margin:10px 0 14px}

/* ---------- toast ---------- */
.toast-host{position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:400;display:flex;flex-direction:column;gap:10px;pointer-events:none}
.toast{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--accent);color:var(--ink);padding:13px 20px;border-radius:10px;font-size:14px;font-weight:600;box-shadow:var(--shadow-lg);animation:toastin .3s}
.toast.ok{border-left-color:var(--ok)}
.toast.err{border-left-color:var(--err)}
@keyframes toastin{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}

/* ---------- footer ---------- */
.site-foot{background:var(--bg2);border-top:1px solid var(--line);margin-top:auto}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:30px;padding:50px 24px 36px}
.foot-brand .foot-name{font-size:18px;font-weight:800;margin:12px 0 8px;color:var(--ink)}
.foot-brand .foot-desc{color:var(--ink-dim);font-size:13.5px;line-height:1.6}
.foot-col h4{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--ink)}
.foot-col a,.foot-col p{display:block;color:var(--ink-dim);font-size:13.5px;margin-bottom:9px}
.foot-col a:hover{color:var(--accent)}
.foot-bar{border-top:1px solid var(--line);background:#fff}
.foot-bar-in{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 24px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-mute)}
.tech-support{font-size:12px;color:var(--ink-mute)}
.tech-support:hover{color:var(--accent)}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-right{max-width:300px}
  .feature-row{grid-template-columns:1fr 1fr}
  .detail-wrap{grid-template-columns:1fr}
  .detail-side{position:static}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .main-nav{position:fixed;inset:64px 0 auto 0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:12px 20px;gap:2px;display:none;z-index:70;box-shadow:var(--shadow-md)}
  .main-nav.open{display:flex}
  .nav-toggle{display:flex}
  .feature-row,.latest-grid,.trust-row{grid-template-columns:1fr}
  .trust-row{grid-template-columns:1fr 1fr}
  .modal-card.split{grid-template-columns:1fr}
  .split-visual{display:none}
  .pay-body{grid-template-columns:1fr}
  .pay-qr img{width:160px;height:160px}
  .fld-2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-title{font-size:clamp(30px,8vw,44px)}
  .brand-text b{font-size:15px}
}
@media(max-width:420px){
  .head-actions .btn-ghost,.head-actions .btn-solid{padding:8px 12px;font-size:13px}
  .trust-row{grid-template-columns:1fr}
}