/* ==========================================================================
   1ke 俱乐部 · 站点样式 v4 · 与主系统 tanker.css 完全同源
   设计令牌 / 组件形态 / 字号阶梯 全部对齐 D:\huokesys-local\server\public\css\tanker.css
   主系统三要素：深色毛玻璃 menubar、#f4f7fc 底 + 白卡、#2f6df6 主蓝点缀
   ========================================================================== */

:root{
  --font: "Source Han Sans SC","Source Han Sans CN","Noto Sans SC","Noto Sans CJK SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  --mono: ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;

  /* 与 tanker.css :root 一致 */
  --accent:#2f6df6; --accent-hover:#1d5bd4; --accent-soft:#eef3ff;
  --ink:#14171e;    --ink-2:#3a4256;         --ink-3:#6b7689;
  --line:#e5e7eb;   --line-soft:#f0f2f5;
  --paper:#ffffff;  --bg:#f4f7fc;
  --ok:#1f9d57;     --ok-soft:#e7f6ee;
  --warn:#c97a00;   --warn-soft:#fff5e6;

  --r-lg:14px; --r-md:10px; --r-sm:7px;
  --nav-h:48px;
}

*{box-sizing:border-box;margin:0;padding:0;-webkit-font-smoothing:antialiased}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  font-size:14px;line-height:1.6;color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.wrap{width:100%;max-width:1100px;margin:0 auto;padding:0 20px}

/* ══════════ MENUBAR —— 与主系统同款深色毛玻璃 ══════════ */
.nav{
  position:sticky;top:0;z-index:100;height:var(--nav-h);
  background:rgba(20,22,28,.78);
  backdrop-filter:saturate(160%) blur(18px);
  -webkit-backdrop-filter:saturate(160%) blur(18px);
  color:#f3f4f7;border-bottom:1px solid rgba(255,255,255,.08);
}
.nav .wrap{height:var(--nav-h);display:flex;align-items:center;gap:12px}
.brand{
  display:flex;align-items:baseline;gap:6px;
  font-weight:700;font-size:15px;color:#fff;text-decoration:none;
}
.brand:hover{text-decoration:none}
.brand .club{font-size:10.5px;font-weight:500;letter-spacing:.16em;color:rgba(255,255,255,.55);text-transform:uppercase}
.nav .links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav .links a{
  color:#f3f4f7;font-size:13px;padding:6px 11px;border-radius:var(--r-sm);
  opacity:.9;transition:background .15s;text-decoration:none;white-space:nowrap;
}
.nav .links a:hover{background:rgba(255,255,255,.14);opacity:1;text-decoration:none}
.nav .links a.on{opacity:1;font-weight:600;background:rgba(255,255,255,.10)}
.nav .right{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.lang-btn{
  background:transparent;border:0;cursor:pointer;color:#f3f4f7;
  font-size:13px;padding:6px 11px;border-radius:var(--r-sm);opacity:.9;font-family:inherit;
}
.lang-btn:hover{background:rgba(255,255,255,.14);opacity:1}
.btn-login{
  background:var(--accent);color:#fff;font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:var(--r-sm);text-decoration:none;transition:background .15s;
}
.btn-login:hover{background:var(--accent-hover);text-decoration:none}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px 6px}
.burger span{display:block;width:16px;height:1.5px;background:#f3f4f7;margin:4px 0;border-radius:2px}

/* ══════════ HERO —— 复用主系统登录页 auth-visual 渐变 ══════════ */
.hero{
  padding:76px 0 60px;text-align:center;
  background:
    radial-gradient(120% 120% at 18% 12%, #eaf1ff 0%, rgba(234,241,255,0) 45%),
    radial-gradient(120% 120% at 85% 88%, #fdeaf3 0%, rgba(253,234,243,0) 50%),
    linear-gradient(135deg,#f4f7fc 0%,#e9eef7 55%,#eef2f8 100%);
}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;padding:3px 11px;border-radius:999px;
  background:rgba(255,255,255,.7);border:1px solid var(--line);color:var(--ink-2);
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--ok)}
.hero h1{
  margin:18px 0 12px;
  font-size:clamp(26px,4vw,34px);font-weight:700;letter-spacing:.04em;line-height:1.25;
}
.hero .sub{
  font-size:15px;color:var(--ink-3);max-width:560px;margin:0 auto;line-height:1.7;
}
.cta-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:var(--r-md);padding:11px 20px;
  font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;
  transition:background .15s,transform .05s;
}
.btn:active{transform:scale(.98)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-hover);text-decoration:none}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--line-soft);text-decoration:none}
.hero .note{margin-top:14px;font-size:12px;color:var(--ink-3)}

/* ══════════ 系统窗口外框（截图容器）══════════ */
.window{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:0 24px 60px rgba(20,23,30,.12);
  max-width:880px;margin:44px auto 0;
}
.window .bar{
  height:34px;background:rgba(20,22,28,.92);
  display:flex;align-items:center;gap:6px;padding:0 12px;
}
.window .bar i{width:10px;height:10px;border-radius:50%;display:block}
.window .bar i:nth-child(1){background:#ff5f57}
.window .bar i:nth-child(2){background:#febc2e}
.window .bar i:nth-child(3){background:#28c840}
.window .bar span{margin-left:8px;font-size:11.5px;color:rgba(255,255,255,.6);font-family:var(--mono)}
.window img{width:100%}

/* ══════════ SECTION 通用 ══════════ */
.section{padding:60px 0}
.section.alt{background:#fff;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.sec-head{max-width:640px;margin-bottom:28px}
.eyebrow{
  font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--accent);margin-bottom:8px;
}
.sec-head h2{font-size:22px;font-weight:700;letter-spacing:.02em;margin-bottom:8px}
.sec-head .sub{font-size:14px;color:var(--ink-3);line-height:1.7}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sync-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;padding:3px 10px;border-radius:999px;
  background:var(--ok-soft);color:var(--ok);font-weight:600;margin-left:8px;vertical-align:2px;
}
.sync-pill::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--ok)}

/* ══════════ 数据条 ══════════ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px 20px;box-shadow:0 1px 3px rgba(0,0,0,.03);text-align:center;
}
.stat .n{font-size:26px;font-weight:700;letter-spacing:.02em}
.stat .n small{font-size:13px;font-weight:600;color:var(--ink-3);margin-left:2px}
.stat .t{font-size:12.5px;color:var(--ink-3);margin-top:2px}

/* ══════════ 模块卡 ══════════ */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.mcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.03);
  display:flex;flex-direction:column;
  transition:transform .25s,box-shadow .25s;
}
.mcard:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(20,23,30,.08)}
.mcard .thumb{border-bottom:1px solid var(--line-soft)}
.mcard .bd{padding:16px 18px 18px;flex:1;display:flex;flex-direction:column}
.mcard h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px}
.mcard p{font-size:13.5px;color:var(--ink-2);line-height:1.65;margin:6px 0 12px;flex:1}
.mcard .more{font-size:13px;font-weight:600}

/* ══════════ 评价卡 ══════════ */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cmt{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px 20px;box-shadow:0 1px 3px rgba(0,0,0,.03);
  display:flex;flex-direction:column;gap:10px;
}
.cmt .stars{display:flex;gap:2px}
.cmt .stars svg{width:14px;height:14px}
.cmt .txt{font-size:13.5px;color:var(--ink-2);line-height:1.75;flex:1}
.cmt .who{font-size:12px;color:var(--ink-3);display:flex;justify-content:space-between;gap:10px}
.empty{
  grid-column:1/-1;text-align:center;color:var(--ink-3);
  padding:48px 20px;font-size:13px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.loading{grid-column:1/-1;text-align:center;color:var(--ink-3);padding:36px 0;font-size:13px}

/* ══════════ 套餐卡 ══════════ */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 20px;box-shadow:0 1px 3px rgba(0,0,0,.03);
  display:flex;flex-direction:column;
}
.pcard .nm{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px}
.pcard .price{font-size:28px;font-weight:700;letter-spacing:.01em;margin:12px 0 2px}
.pcard .price small{font-size:13px;font-weight:500;color:var(--ink-3)}
.pcard .alt-cycle{font-size:12px;color:var(--ink-3);min-height:17px}
.pcard .seat{font-size:13px;font-weight:600;color:var(--ink-2);margin:10px 0 4px}
.pcard .all{font-size:12.5px;color:var(--ink-3);line-height:1.6;flex:1;margin-bottom:16px}
.pcard .btn{width:100%}

/* ══════════ 功能明细 / 对比表 / FAQ ══════════ */
.fd-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.fd{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;box-shadow:0 1px 3px rgba(0,0,0,.03);
}
.fd h4{font-size:14px;font-weight:700;color:var(--accent);margin-bottom:10px}
.fd li{
  list-style:none;font-size:13.5px;color:var(--ink-2);line-height:1.6;
  padding:5px 0 5px 18px;position:relative;
}
.fd li::before{
  content:'';position:absolute;left:2px;top:13px;width:8px;height:4.5px;
  border-left:1.6px solid var(--ok);border-bottom:1.6px solid var(--ok);transform:rotate(-45deg);
}

.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden}
.tbl th,.tbl td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:13px;vertical-align:top}
.tbl th{color:var(--ink-3);font-weight:600;font-size:12px;letter-spacing:.03em;background:var(--line-soft)}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{color:var(--ink-3)}
.tbl-wrap{border:1px solid var(--line);border-radius:var(--r-lg);overflow:auto;background:#fff}
.tbl-wrap .tbl{border:0}

.faq{max-width:720px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:8px;padding:0 16px}
.faq summary{
  font-size:14px;font-weight:600;cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 0;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:18px;color:var(--ink-3);font-weight:400}
.faq details[open] summary::after{content:'–'}
.faq .a{font-size:13.5px;color:var(--ink-2);line-height:1.7;padding:0 0 14px}

/* ══════════ 手册时间线 ══════════ */
.steps{max-width:680px;margin:0 auto}
.step{display:flex;gap:16px;padding-bottom:28px;position:relative}
.step:last-child{padding-bottom:0}
.step .n{
  width:32px;height:32px;border-radius:var(--r-md);flex:0 0 32px;
  background:var(--accent-soft);color:var(--accent);
  font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;
}
.step:not(:last-child)::before{
  content:'';position:absolute;left:15.5px;top:38px;bottom:6px;width:1px;background:var(--line);
}
.step h3{font-size:15px;font-weight:700;padding-top:5px}
.step p{font-size:13.5px;color:var(--ink-2);line-height:1.7;margin-top:4px}

/* ══════════ 评价规则卡 ══════════ */
.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rule{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;box-shadow:0 1px 3px rgba(0,0,0,.03);
}
.rule .rn{font-size:22px;font-weight:700;color:var(--accent)}
.rule h3{font-size:14px;font-weight:700;margin:6px 0 4px}
.rule p{font-size:13px;color:var(--ink-3);line-height:1.65}

/* ══════════ 关于页 · 四句 ══════════ */
.aph{padding:38px 0;border-bottom:1px solid var(--line)}
.aph:last-of-type{border-bottom:0}
.aph .idx{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--accent)}
.aph h3{font-size:clamp(21px,3vw,26px);font-weight:700;letter-spacing:.02em;margin:6px 0 10px}
.aph p{max-width:620px;font-size:14px;color:var(--ink-2);line-height:1.8}
.brand-note{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;font-size:13.5px;color:var(--ink-2);line-height:1.8;box-shadow:0 1px 3px rgba(0,0,0,.03);
}

/* ══════════ CTA 收尾带（浅蓝，克制）══════════ */
.cta-band{
  background:var(--accent-soft);border-top:1px solid #dfe8fd;
  padding:64px 0;text-align:center;
}
.cta-band h2{font-size:clamp(22px,3vw,28px);font-weight:700;letter-spacing:.03em;margin-bottom:10px}
.cta-band p{font-size:14px;color:var(--ink-2);margin-bottom:24px}
.cta-band .note{margin-top:14px;font-size:12px;color:var(--ink-3)}

/* ══════════ 页脚 ══════════ */
footer.site{background:#fff;border-top:1px solid var(--line);padding:40px 0 28px;font-size:13px;color:var(--ink-3)}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:20px;margin-bottom:28px}
footer.site .fbrand{font-weight:700;font-size:15px;color:var(--ink)}
footer.site .fslogan{margin-top:6px;line-height:1.7;max-width:300px}
footer.site h5{font-size:12.5px;font-weight:600;color:var(--ink);margin-bottom:8px}
footer.site ul{list-style:none}
footer.site li{padding:3px 0}
footer.site a{color:var(--ink-3)}
footer.site a:hover{color:var(--ink)}
footer.site .bottom{border-top:1px solid var(--line-soft);padding-top:14px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:12.5px}

/* ══════════ DEMO 动画窗口（浅色系，对齐主系统窗口）══════════ */
.demo-win{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:0 6px 24px rgba(20,23,30,.08);
  transition:transform .6s cubic-bezier(.22,1,.36,1),box-shadow .6s;
  margin:34px auto 0;max-width:760px;
  transform:scale(1);will-change:transform;
}
.demo-win.play{transform:scale(1.035);box-shadow:0 24px 64px rgba(47,109,246,.22)}
.demo-win .bar{
  height:32px;background:rgba(20,22,28,.92);
  display:flex;align-items:center;gap:6px;padding:0 12px;
}
.demo-win .bar i{width:10px;height:10px;border-radius:50%;display:block}
.demo-win .bar i:nth-child(1){background:#ff5f57}
.demo-win .bar i:nth-child(2){background:#febc2e}
.demo-win .bar i:nth-child(3){background:#28c840}
.demo-win .bar span{margin-left:8px;font-size:11.5px;color:rgba(255,255,255,.6);font-family:var(--mono)}
.demo-win .body{padding:16px 18px;min-height:216px;position:relative;overflow:hidden;background:#fff}

.dw-row{
  background:var(--line-soft);border-radius:8px;padding:9px 12px;margin-bottom:7px;
  font-size:12px;color:var(--ink-2);display:flex;justify-content:space-between;align-items:center;gap:8px;
  opacity:0;transform:translateX(-22px);
}
.dw-row b{color:var(--ink);font-weight:600}
.demo-win.play .dw-row{animation:dwIn .5s cubic-bezier(.22,1,.36,1) forwards}
.demo-win.play .dw-row:nth-child(1){animation-delay:.35s}
.demo-win.play .dw-row:nth-child(2){animation-delay:.7s}
.demo-win.play .dw-row:nth-child(3){animation-delay:1.05s}
.demo-win.play .dw-row:nth-child(4){animation-delay:1.4s}
@keyframes dwIn{to{opacity:1;transform:translateX(0)}}

.dw-type{
  font-family:var(--mono);font-size:13px;color:var(--ink);
  white-space:nowrap;overflow:hidden;border-right:2px solid var(--accent);
  width:0;opacity:0;margin-bottom:12px;
}
.demo-win.play .dw-type{animation:dwType 1.15s steps(24) .4s forwards,dwCaret .7s step-end infinite}
@keyframes dwType{to{width:100%;opacity:1}}
@keyframes dwCaret{50%{border-color:transparent}}
.dw-hint{font-size:11px;color:var(--ink-3);margin-top:6px}

.dw-line{height:9px;border-radius:5px;background:var(--line-soft);margin-bottom:11px;overflow:hidden}
.dw-line i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),#6f9bff)}
.demo-win.play .dw-line:nth-child(2) i{animation:dwG1 1s cubic-bezier(.22,1,.36,1) .6s forwards}
.demo-win.play .dw-line:nth-child(3) i{animation:dwG2 1s cubic-bezier(.22,1,.36,1) .75s forwards}
.demo-win.play .dw-line:nth-child(4) i{animation:dwG3 1s cubic-bezier(.22,1,.36,1) .95s forwards}
.demo-win.play .dw-line:nth-child(5) i{animation:dwG4 1s cubic-bezier(.22,1,.36,1) 1.15s forwards}
@keyframes dwG1{to{width:78%}}
@keyframes dwG2{to{width:64%}}
@keyframes dwG3{to{width:43%}}
@keyframes dwG4{to{width:28%}}

.dw-card{
  background:var(--line-soft);border-radius:9px;padding:10px 12px;margin-bottom:8px;
  font-size:12px;color:var(--ink-2);display:flex;justify-content:space-between;align-items:center;gap:8px;
  opacity:0;transform:scale(.9);
}
.dw-card b{color:var(--ink);font-weight:600}
.demo-win.play .dw-card{animation:dwCard .45s cubic-bezier(.34,1.4,.64,1) forwards}
.demo-win.play .dw-card:nth-child(1){animation-delay:.4s}
.demo-win.play .dw-card:nth-child(2){animation-delay:.8s}
.demo-win.play .dw-card:nth-child(3){animation-delay:1.2s}
@keyframes dwCard{to{opacity:1;transform:scale(1)}}

.dw-bub{
  max-width:74%;padding:8px 12px;border-radius:12px;font-size:12px;margin-bottom:9px;line-height:1.55;
  opacity:0;transform:translateY(12px) scale(.94);
}
.dw-bub.me{margin-left:auto;background:var(--accent);color:#fff}
.dw-bub.you{background:var(--line-soft);color:var(--ink-2)}
.demo-win.play .dw-bub{animation:dwBub .45s cubic-bezier(.34,1.4,.64,1) forwards}
.demo-win.play .dw-bub:nth-of-type(1){animation-delay:.4s}
.demo-win.play .dw-bub:nth-of-type(2){animation-delay:.9s}
.demo-win.play .dw-bub:nth-of-type(3){animation-delay:1.4s}
@keyframes dwBub{to{opacity:1;transform:translateY(0) scale(1)}}

.dw-coin{position:absolute;right:26px;top:50%;font-size:20px;font-weight:700;color:var(--warn);opacity:0}
.demo-win.play .dw-coin{animation:dwCoin 1.5s ease .5s forwards}
@keyframes dwCoin{
  0%{opacity:0;transform:translateY(26px) scale(.6)}
  28%{opacity:1;transform:translateY(0) scale(1.15)}
  62%{opacity:1;transform:translateY(-8px) scale(1)}
  100%{opacity:0;transform:translateY(-42px) scale(.9)}
}

.dw-ck{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--ink-2);
  padding:7px 0;opacity:0;transform:translateX(-12px)}
.demo-win.play .dw-ck{animation:dwIn .45s ease forwards}
.demo-win.play .dw-ck:nth-child(1){animation-delay:.4s}
.demo-win.play .dw-ck:nth-child(2){animation-delay:.75s}
.demo-win.play .dw-ck:nth-child(3){animation-delay:1.1s}
.demo-win.play .dw-ck:nth-child(4){animation-delay:1.45s}
.ckbox{width:15px;height:15px;border-radius:4.5px;flex:0 0 15px;border:1.4px solid #c8ced8;position:relative}
.demo-win.play .dw-ck.done .ckbox{background:var(--accent);border-color:var(--accent);animation:ckPop .3s cubic-bezier(.34,1.56,.64,1) forwards}
.demo-win.play .dw-ck.done:nth-child(1) .ckbox{animation-delay:.55s}
.demo-win.play .dw-ck.done:nth-child(2) .ckbox{animation-delay:.9s}
.demo-win.play .dw-ck.done:nth-child(3) .ckbox{animation-delay:1.25s}
@keyframes ckPop{0%{transform:scale(.5)}100%{transform:scale(1)}}
.ckbox::after{content:'';position:absolute;left:4.2px;top:1.4px;width:4px;height:7.5px;
  border:solid #fff;border-width:0 1.8px 1.8px 0;transform:rotate(43deg);opacity:0}
.demo-win.play .dw-ck.done .ckbox::after{animation:ckShow .2s ease forwards}
.demo-win.play .dw-ck.done:nth-child(1) .ckbox::after{animation-delay:.72s}
.demo-win.play .dw-ck.done:nth-child(2) .ckbox::after{animation-delay:1.07s}
.demo-win.play .dw-ck.done:nth-child(3) .ckbox::after{animation-delay:1.42s}
@keyframes ckShow{to{opacity:1}}

/* 标签（对应主系统 .pill）*/
.dw-tag{font-size:10.5px;padding:2px 8px;border-radius:999px;white-space:nowrap;font-weight:600}
.t-blue{background:var(--accent-soft);color:var(--accent)}
.t-green{background:var(--ok-soft);color:var(--ok)}
.t-org{background:var(--warn-soft);color:var(--warn)}
.t-gray{background:var(--line-soft);color:var(--ink-3)}

/* demo 页窗口之间的说明 */
.dw-desc{max-width:760px;margin:18px auto 8px}
.dw-desc h3{font-size:16px;font-weight:700;margin-bottom:4px}
.dw-desc p{font-size:13.5px;color:var(--ink-2);line-height:1.7}

/* ══════════ 页头（内页统一）══════════ */
.page-head{padding:52px 0 8px}
.page-head .eyebrow{margin-bottom:6px}
.page-head h1{font-size:clamp(24px,3.4vw,30px);font-weight:700;letter-spacing:.03em;margin-bottom:8px}
.page-head .sub{font-size:14px;color:var(--ink-3);max-width:620px;line-height:1.7}

/* ══════════ 移动端 ══════════ */
@media (max-width:900px){
  .plans{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  footer.site .cols{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:833px){
  .burger{display:block;order:3}
  .nav .wrap{gap:8px}
  .nav .links{
    position:fixed;top:var(--nav-h);left:0;right:0;
    background:#171a21;
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 14px 14px;margin-left:0;
    border-bottom:1px solid rgba(255,255,255,.08);
    display:none;
  }
  .nav .links.open{display:flex}
  .nav .links a{padding:11px 10px;font-size:14px;border-radius:var(--r-md)}
  .nav .right{margin-left:auto;order:2}

  .hero{padding:52px 0 44px}
  .hero h1{font-size:24px}
  .hero .sub{font-size:14px}
  .section{padding:44px 0}
  .grid2,.grid3,.rules,.fd-grid{grid-template-columns:1fr;gap:12px}
  .plans{grid-template-columns:1fr}
  .window{margin-top:30px;border-radius:var(--r-md)}
  .cta-row .btn{flex:1 1 auto}
  .cta-band{padding:48px 0}
  .tbl-wrap{font-size:12.5px}
  .page-head{padding:38px 0 4px}
}
@media (max-width:420px){
  .stats{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat{padding:14px 10px}
  .stat .n{font-size:22px}
  .brand .club{display:none}
}