/* ==========================================================================
   与首页统一的设计变量
   ========================================================================== */
:root{
  --bar-h:78px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display','SF Pro Text','Inter','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  color:var(--ink-2);background:var(--bg);-webkit-font-smoothing:antialiased;
  font-size:15px;line-height:1.6;
  padding-bottom:calc(var(--bar-h) + env(safe-area-inset-bottom,0px) + 10px);
}
h1,h2,h3{letter-spacing:-0.022em;font-weight:700;line-height:1.2}
button{font-family:inherit;color:inherit;border:none;background:none;cursor:pointer}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;font-feature-settings:'tnum' 1}
.wrap{max-width:1000px;margin:0 auto;padding:0 24px}

/* ==========================================================================
   导航
   ========================================================================== */
nav{
  background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:200;
}
.nav-in{max-width:1000px;margin:0 auto;height:60px;padding:0 24px;display:flex;align-items:center;gap:8px}
.brand{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--ink-2)}
.brand span{color:var(--cyan)}
.nav-sp{flex:1}
.nav-a{
  font-size:13px;font-weight:600;color:var(--gray-1);padding:8px 12px;border-radius:8px;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.nav-a:hover{background:var(--blue-soft);color:var(--blue-d)}

/* ==========================================================================
   产品头 —— 纯文字介绍，不加装饰
   ========================================================================== */
.phead{background:#fff;border-bottom:1px solid var(--line);padding:40px 0 32px}
.ph-eyebrow{
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.15em;
  text-transform:uppercase;color:var(--blue);margin-bottom:12px;
}
.phead h1{font-size:clamp(24px,3.4vw,32px);font-weight:800;color:var(--ink);margin-bottom:12px}
.phead h1 em{font-style:normal;color:var(--blue)}
.ph-note{font-size:15px;color:var(--gray-2);line-height:1.75;max-width:64ch}
.ph-note strong{color:var(--ink-2);font-weight:600}
.ph-note.warn{color:#C81E1E}
.ph-note.warn strong{color:#9B1C1C;font-weight:700}
.ph-meta{
  display:flex;flex-wrap:wrap;gap:0 32px;margin-top:20px;padding-top:16px;
  border-top:1px solid var(--line-2);
}
.ph-meta div{display:flex;align-items:baseline;gap:8px;padding:3px 0}
.ph-meta .k{font-size:12px;color:var(--gray-3);white-space:nowrap}
.ph-meta .v{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--ink-2);white-space:nowrap}

/* ==========================================================================
   步骤条
   ========================================================================== */
.steps{
  background:#fff;border-bottom:1px solid var(--line);position:sticky;top:60px;z-index:150;
  box-shadow:0 1px 4px rgba(0,0,0,.03);
}
.steps-in{max-width:1000px;margin:0 auto;padding:0 24px;display:flex;align-items:center;height:56px;overflow-x:auto;scrollbar-width:none}
.steps-in::-webkit-scrollbar{display:none}
.stp{display:flex;align-items:center;gap:8px;flex-shrink:0;padding:8px 2px}
.stp-n{
  width:24px;height:24px;border-radius:50%;background:var(--line-2);color:var(--gray-3);
  display:flex;align-items:center;justify-content:center;font-family:var(--mono);
  font-size:12px;font-weight:700;flex-shrink:0;transition:all .25s var(--ease);
}
.stp-t{font-size:13px;font-weight:600;color:var(--gray-3);white-space:nowrap;transition:color .25s var(--ease)}
.stp.on .stp-n{background:var(--blue);color:#fff;box-shadow:0 0 0 4px rgba(0,113,227,.14)}
.stp.on .stp-t{color:var(--ink-2)}
.stp.done .stp-n{background:var(--green-soft);color:var(--green)}
.stp.done .stp-t{color:var(--gray-1)}
.stp-line{flex:1;min-width:22px;height:1.5px;background:var(--line);margin:0 12px;border-radius:4px;position:relative;overflow:hidden}
.stp-line::after{
  content:'';position:absolute;inset:0;background:var(--blue);
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);
}
.stp-line.fill::after{transform:scaleX(1)}

/* ==========================================================================
   区块
   ========================================================================== */
.sec{padding:18px 0;border-bottom:1px solid var(--line)}
.sec:last-of-type{border-bottom:none}
.sec-head{margin-bottom:12px}
.eyebrow{
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.15em;
  text-transform:uppercase;color:var(--blue);margin-bottom:8px;
}
.sec-title{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:8px}
.sec-sub{font-size:14px;color:var(--gray-2);line-height:1.65}
.sec.locked .lockbox{display:flex}
.sec.locked .secbody{display:none}
.lockbox{
  display:none;align-items:center;gap:12px;background:#fff;border:1px dashed var(--line);
  border-radius:12px;padding:24px;color:var(--gray-3);font-size:14px;justify-content:center;
}
.reveal{opacity:0;transform:translateY(14px)}
.reveal.in{opacity:1;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}

/* ==========================================================================
   套餐卡片
   ========================================================================== */
.grid-plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:8px}
.card{
  --tone:#0071E3;--tone-soft:#F0F6FE;
  position:relative;background:#fff;border:1.5px solid var(--line);
  border-left:3px solid var(--tone);border-radius:12px;
  padding:16px 16px 16px;text-align:left;display:block;width:100%;
  transition:border-color .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease);
}
.card:hover{background:var(--tone-soft)}
.card.sel{border-color:var(--tone);background:var(--tone-soft);box-shadow:inset 0 0 0 1px var(--tone)}
.card:focus-visible,.per:focus-visible,.opt:focus-visible,.cc:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

.c-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.c-name{font-size:15px;font-weight:700;color:var(--ink);line-height:1.35}
.c-type{
  flex-shrink:0;font-size:11px;font-weight:700;letter-spacing:.02em;color:var(--tone);
  background:var(--tone-soft);border:1px solid currentColor;border-radius:4px;
  padding:2px 8px;line-height:1.5;
}
.card.sel .c-type{background:#fff}
.c-loc{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--gray-2);margin-top:4px}
.c-loc svg{width:12.5px;height:12.5px;stroke:var(--tone);fill:none;stroke-width:1.9;flex-shrink:0}
.c-tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}
.c-tags span{
  background:var(--bg);border-radius:100px;padding:3.5px 8px;
  font-size:11px;font-weight:600;color:var(--gray-1);white-space:nowrap;
}
.card.sel .c-tags span{background:#fff}
.c-foot{display:flex;align-items:flex-end;justify-content:space-between;gap:8px;margin-top:12px}
.c-fl{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;min-width:0}
.c-price{display:flex;align-items:baseline;gap:3px}
.c-flag{
  display:inline-flex;align-items:center;gap:4px;flex-shrink:0;
  background:var(--green-soft);color:var(--green);border-radius:100px;
  padding:3px 8px;font-size:11px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
}
.c-flag::before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor;flex-shrink:0}
.c-amt{font-family:var(--mono);font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.03em;line-height:1.1}
.card.sel .c-amt{color:var(--tone)}
.c-per{font-size:12px;color:var(--gray-2)}
.c-tick{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--tone);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  transform:scale(0);transition:transform .26s var(--ease);
}
.card.sel .c-tick{transform:scale(1)}

/* 售空套餐 */
.card.soldout{opacity:.7;cursor:not-allowed;border-left-color:#D92D20}
.card.soldout:hover{background:#fff}
.c-soldout-badge{
  display:inline-flex;align-items:center;gap:5px;flex-shrink:0;
  background:#FDECEC;color:#D92D20;border:1px solid #F9C6C6;border-radius:100px;
  padding:4px 10px;font-size:12px;font-weight:800;letter-spacing:.02em;white-space:nowrap;
}
.c-soldout-badge::before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor;flex-shrink:0}

/* 即将上线套餐 */
.card.comingsoon{opacity:.7;cursor:not-allowed;border-left-color:#7C3AED}
.card.comingsoon:hover{background:#fff}
.c-comingsoon-badge{
  display:inline-flex;align-items:center;gap:5px;flex-shrink:0;
  background:#F3EEFE;color:#7C3AED;border:1px solid #DCC9FB;border-radius:100px;
  padding:4px 10px;font-size:12px;font-weight:800;letter-spacing:.02em;white-space:nowrap;
}
.c-comingsoon-badge::before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor;flex-shrink:0}

/* 计费周期卡片上的对勾 */
.tick{
  position:absolute;width:24px;height:24px;border-radius:50%;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  transform:scale(0);transition:transform .26s var(--ease);
}
.per.sel .tick{transform:scale(1)}

/* 国家列表 */
.searchwrap{position:relative;max-width:380px;margin-bottom:16px}
.searchwrap input{
  width:100%;padding:12px 16px 12px 40px;border:1.5px solid var(--line);border-radius:8px;
  font-size:14px;font-family:inherit;color:var(--ink-2);background:#fff;outline:none;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.searchwrap input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,113,227,.1)}
.searchwrap .ic{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--gray-3);font-size:15px;pointer-events:none}
.grid-c{display:grid;grid-template-columns:repeat(auto-fill,minmax(212px,1fr));gap:8px;max-height:360px;overflow-y:auto;padding:2px}
.cc{
  position:relative;display:flex;align-items:center;gap:12px;background:#fff;
  border:1.5px solid var(--line);border-radius:8px;padding:12px 12px;text-align:left;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease),background .18s var(--ease);
}
.cc:hover{border-color:var(--blue-line);transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,113,227,.08)}
.cc.sel{border-color:var(--blue);background:var(--blue-soft)}
.cc .fl{font-size:20px;line-height:1;flex-shrink:0}
.cc .tx{min-width:0}
.cc .n{font-size:13px;font-weight:700;color:var(--ink-2);line-height:1.35}
.cc .i{font-family:var(--mono);font-size:10px;color:var(--gray-3);line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.cc-bw{
  display:inline-flex;align-items:center;gap:3px;margin-top:4px;
  background:var(--green-soft);color:var(--green);border-radius:100px;
  padding:1.5px 7px;font-size:9.5px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
}
.cc-bw::before{content:'';width:4px;height:4px;border-radius:50%;background:currentColor;flex-shrink:0}
.empty{grid-column:1/-1;text-align:center;color:var(--gray-3);font-size:14px;padding:28px 0}

/* ==========================================================================
   配置
   ========================================================================== */
.cfgcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.cfg-g{padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--line-2)}
.cfg-g:last-child{padding-bottom:0;margin-bottom:0;border-bottom:none}
.cfg-l{
  font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:8px;
  display:flex;align-items:baseline;justify-content:space-between;gap:8px;
}
.cfg-l .hint{font-size:11px;font-weight:500;color:var(--gray-3)}
.opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(124px,1fr));gap:8px}
.opts-scroll{
  display:flex;flex-wrap:nowrap;overflow-x:auto;gap:8px;padding-bottom:2px;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.opts-scroll::-webkit-scrollbar{display:none}
.opts-scroll .opt{flex:0 0 auto;min-width:112px;scroll-snap-align:start}
.opt{
  position:relative;background:#fff;border:1.5px solid var(--line);border-radius:8px;
  padding:9px 12px;text-align:left;display:flex;flex-direction:column;gap:2px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.opt:hover{border-color:var(--blue-line);transform:translateY(-1px)}
.opt.sel{border-color:var(--blue);background:var(--blue-soft);box-shadow:0 0 0 3px rgba(0,113,227,.08)}
.opt-v{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--ink-2);letter-spacing:-.01em}
.opt.sel .opt-v{color:var(--blue-d)}
.opt-d{font-family:var(--mono);font-size:11px;color:var(--gray-3);font-weight:500}
.opt.sel .opt-d{color:var(--blue)}
.opt-d.free{color:var(--green)}
select.os{
  width:100%;max-width:340px;appearance:none;
  background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='7' viewBox='0 0 11 7'%3E%3Cpath d='M1 1l4.5 4.5L10 1' stroke='%239ca3af' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 15px center;
  border:1.5px solid var(--line);border-radius:8px;padding:12px 40px 12px 16px;
  font-family:var(--mono);font-size:13px;font-weight:500;color:var(--ink-2);cursor:pointer;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
select.os:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,113,227,.1)}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}
.qty button{width:38px;height:38px;font-size:17px;color:var(--gray-1);transition:background .15s var(--ease)}
.qty button:hover:not(:disabled){background:var(--blue-soft);color:var(--blue)}
.qty button:disabled{opacity:.3;cursor:not-allowed}
.qty span{width:46px;text-align:center;font-family:var(--mono);font-size:15px;font-weight:700;border-left:1px solid var(--line);border-right:1px solid var(--line);line-height:38px}
.fixed-note{
  display:block;background:var(--blue-soft);border:1px solid var(--blue-line-2);
  border-radius:8px;padding:10px 14px;font-size:12px;color:var(--blue-dd);line-height:1.55;
}

/* ==========================================================================
   计费周期
   ========================================================================== */
.grid-per{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.per{
  position:relative;background:#fff;border:1.5px solid var(--line);border-radius:12px;
  padding:20px 16px 16px;text-align:left;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.per:hover{border-color:var(--blue-line);box-shadow:0 8px 24px rgba(0,113,227,.09);transform:translateY(-2px)}
.per.sel{border-color:var(--blue);background:var(--blue-soft);box-shadow:0 8px 24px rgba(0,113,227,.14)}
.per.best{border-color:var(--blue-line)}
.per-badge{
  position:absolute;top:-11px;left:18px;font-family:var(--mono);font-size:11px;font-weight:700;
  letter-spacing:.02em;padding:3px 8px;border-radius:100px;color:#fff;
  background:linear-gradient(135deg,var(--green),#1F7535);box-shadow:0 3px 10px rgba(36,138,61,.28);
}
.per-badge.hot{background:linear-gradient(135deg,#0071E3,#0058B0);box-shadow:0 3px 10px rgba(0,113,227,.3)}
.per-n{font-size:15px;font-weight:700;color:var(--ink);display:block}
.per-pm{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--ink);letter-spacing:-.03em;margin-top:12px;line-height:1}
.per.sel .per-pm{color:var(--blue-d)}
.per-pm small{font-size:12px;font-weight:500;color:var(--gray-2);letter-spacing:0}
.per-tot{font-family:var(--mono);font-size:12px;color:var(--gray-2);margin-top:8px}
.per-save{font-size:11px;font-weight:700;color:var(--green);margin-top:4px}
.per-save.flat{color:var(--gray-3);font-weight:500}
.per .tick{top:16px;right:16px}

/* ==========================================================================
   付款
   ========================================================================== */
.paygrid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}
.panel-t{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:16px}
.sumlist{list-style:none;display:grid;gap:8px}
.sumlist li{display:flex;align-items:baseline;justify-content:space-between;gap:16px;font-size:13px}
.sumlist li .k{color:var(--gray-2);flex-shrink:0}
.sumlist li .v{font-family:var(--mono);font-weight:600;color:var(--ink-2);text-align:right;font-size:12px}
.sumtot{display:flex;align-items:baseline;justify-content:space-between;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line)}
.sumtot .k{font-size:14px;font-weight:700;color:var(--ink)}
.sumtot .v{font-family:var(--mono);font-size:24px;font-weight:800;color:var(--blue);letter-spacing:-.03em}
.paytabs{display:flex;gap:8px;margin-bottom:16px}
.paytab{
  flex:1;border:1.5px solid var(--line);border-radius:8px;padding:12px 8px;font-size:12px;
  font-weight:700;text-align:center;color:var(--gray-1);background:#fff;transition:all .18s var(--ease);
}
.paytab:hover{border-color:var(--blue-line)}
.paytab.sel{border-color:var(--blue);background:var(--blue-soft);color:var(--blue-d);box-shadow:0 0 0 3px rgba(0,113,227,.08)}
.pp{display:none}
.pp.on{display:block;animation:fade .3s var(--ease)}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.qr{text-align:center;padding:8px 0 2px}
.qr-box{display:inline-block;padding:12px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.06)}
.qr-box img{display:block;width:168px;height:168px}
.addr{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px dashed var(--blue-line);border-radius:8px;padding:12px 12px;margin-bottom:16px}
.addr code{flex:1;font-family:var(--mono);font-size:11px;word-break:break-all;line-height:1.55;color:var(--ink-2)}
.copy{
  flex-shrink:0;border:1.5px solid var(--line);background:#fff;border-radius:8px;padding:8px 12px;
  font-size:12px;font-weight:700;color:var(--gray-1);transition:all .18s var(--ease);
}
.copy:hover{border-color:var(--blue);color:var(--blue)}
.copy.done{border-color:var(--green);color:var(--green);background:var(--green-soft)}
.amt{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:12px 0;
  border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);margin:16px 0;
}
.amt .k{font-size:13px;font-weight:600;color:var(--gray-1)}
.amt .v{font-family:var(--mono);font-size:20px;font-weight:700;color:var(--ink)}
.tip{font-size:12px;line-height:1.7;color:var(--gray-1);background:#FFF8E8;border:1px solid #F5E1B5;border-radius:8px;padding:12px 16px}
.tip b{color:#8A5A00}
.sendrow{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.sbtn{
  flex:1;min-width:150px;text-align:center;border:1.5px solid var(--line);background:#fff;
  border-radius:8px;padding:12px 8px;font-size:13px;font-weight:700;color:var(--ink-2);
  transition:all .18s var(--ease);
}
.sbtn:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-1px)}
.sbtn.tg{background:var(--blue);border-color:var(--blue);color:#fff}
.sbtn.tg:hover{background:var(--blue-d);border-color:var(--blue-d);color:#fff}

/* ==========================================================================
   吸底结算栏
   ========================================================================== */
.bar{
  position:fixed;left:0;right:0;bottom:0;z-index:180;
  background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-top:1px solid var(--line);box-shadow:0 -4px 24px rgba(0,0,0,.06);
  padding-bottom:env(safe-area-inset-bottom,0px);
  transform:translateY(110%);transition:transform .38s var(--ease);
}
.bar.up{transform:none}
.bar-in{max-width:1000px;margin:0 auto;height:var(--bar-h);padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.bar-l{min-width:0}
.bar-k{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:600;color:var(--gray-2);letter-spacing:.02em;margin-bottom:2px}
.bar-k button{font-size:11px;font-weight:700;color:var(--blue);display:inline-flex;align-items:center;gap:3px}
.bar-k button .ar{transition:transform .25s var(--ease);font-size:10px;display:inline-block}
.bar-k button.open .ar{transform:rotate(180deg)}
.bar-v{font-family:var(--mono);font-size:24px;font-weight:800;letter-spacing:-.035em;line-height:1.1;color:var(--ink)}
.bar-v small{font-size:12px;font-weight:500;color:var(--gray-2);letter-spacing:0}
.bar-v.pop{animation:pop .34s var(--ease)}
@keyframes pop{0%{transform:translateY(5px);opacity:.45}100%{transform:none;opacity:1}}
.cta{
  flex-shrink:0;background:var(--blue);color:#fff;border-radius:8px;padding:16px 32px;
  font-size:15px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;
  transition:background .2s var(--ease),transform .15s var(--ease),box-shadow .2s var(--ease);
  box-shadow:0 4px 14px rgba(0,113,227,.28);
}
.cta:hover:not(:disabled){background:var(--blue-d);transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,113,227,.34)}
.cta:active:not(:disabled){transform:translateY(0)}
.cta:disabled{background:#C7D2DE;box-shadow:none;cursor:not-allowed}

/* 明细抽屉 */
.dw{position:fixed;inset:0;z-index:190;background:rgba(6,6,8,.45);opacity:0;pointer-events:none;transition:opacity .28s var(--ease);display:flex;align-items:flex-end}
.dw.on{opacity:1;pointer-events:auto}
.dw-in{
  width:100%;max-width:1000px;margin:0 auto;background:#fff;border-radius:16px 16px 0 0;
  padding:24px 24px calc(var(--bar-h) + 24px);max-height:76vh;overflow-y:auto;
  transform:translateY(100%);transition:transform .32s var(--ease);
}
.dw.on .dw-in{transform:none}
.dw-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.dw-h h3{font-size:15px;font-weight:800;color:var(--ink)}
.dw-x{width:30px;height:30px;border-radius:50%;background:var(--line-2);color:var(--gray-2);font-size:14px;transition:background .15s var(--ease)}
.dw-x:hover{background:var(--line)}

.foot{max-width:1000px;margin:0 auto;padding:24px 24px 40px;font-size:12px;color:var(--gray-3);line-height:1.75}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:860px){.paygrid{grid-template-columns:1fr}}
@media (max-width:640px){
  .wrap,.nav-in,.steps-in,.foot,.bar-in,.dw-in{padding-left:16px;padding-right:16px}
  .phead{padding:32px 0 32px}
  .sec{padding:14px 0}
  .sec-title{font-size:20px}
  .grid-plans{grid-template-columns:1fr}
  .grid-c{grid-template-columns:1fr 1fr;max-height:320px}
  .grid-per{grid-template-columns:1fr 1fr;gap:12px}
  .per{padding:16px 16px 16px}
  .per-pm{font-size:20px}
  .cfgcard,.panel{padding:16px}
  .opts{grid-template-columns:repeat(auto-fill,minmax(104px,1fr))}
  .bar-v{font-size:20px}
  .cta{padding:12px 20px;font-size:14px}
  .stp-t{font-size:12px}
  .stp-line{min-width:14px;margin:0 8px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* 页脚条款链接 + 下单同意提示 */
.foot a{color:var(--gray-2);text-decoration:underline;text-underline-offset:3px}
.foot a:hover{color:var(--blue)}
.agree{font-size:12px;line-height:1.7;color:var(--gray-2);margin-top:16px;
  padding:12px;background:var(--bg);border:1px solid var(--line);border-radius:8px}
.agree a{color:var(--blue);font-weight:600}
.agree b{color:var(--ink-2);font-weight:700}

/* 页脚版权 + 链接行 */
.footlinks{margin-top:10px;font-size:12.5px;color:var(--gray-3)}
.footlinks a{color:var(--gray-2);text-decoration:none}
.footlinks a:hover{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.footlinks .sep{margin:0 8px;color:var(--line)}