:root{
  --bg:#f4f7fc;
  --card:#ffffff;
  --ink:#182234;
  --ink-2:#5b6779;
  --ink-3:#98a3b8;
  --mint:#10b981;
  --sky:#3b82f6;
  --violet:#8b5cf6;
  --amber:#f59e0b;
  --grad:linear-gradient(115deg,#10b981,#3b82f6 60%,#8b5cf6);
  --line:#e8edf5;
  --r:26px;
  --shadow:0 10px 34px rgba(23,50,90,.07);
  --shadow-lift:0 16px 44px rgba(23,50,90,.10);
  --mono:ui-monospace,"SF Mono",Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{min-height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","MiSans","Microsoft YaHei",sans-serif;
  background:#e8edf5;color:var(--ink);display:flex;justify-content:center;overflow-x:hidden}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ===== 极光背景（缓慢漂移） ===== */
.mesh{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.mesh i{position:absolute;border-radius:50%;opacity:.55;animation:drift 18s ease-in-out infinite alternate}
.mesh i:nth-child(1){width:430px;height:430px;right:-130px;top:-150px;background:radial-gradient(circle,rgba(16,185,129,.35),transparent 65%)}
.mesh i:nth-child(2){width:460px;height:460px;left:-170px;top:120px;background:radial-gradient(circle,rgba(59,130,246,.28),transparent 65%);animation-delay:-6s}
.mesh i:nth-child(3){width:420px;height:420px;right:-110px;top:620px;background:radial-gradient(circle,rgba(139,92,246,.24),transparent 65%);animation-delay:-12s}
.mesh i:nth-child(4){width:360px;height:360px;left:-120px;bottom:-140px;background:radial-gradient(circle,rgba(16,185,129,.22),transparent 65%);animation-delay:-3s}
@keyframes drift{to{transform:translate(40px,30px) scale(1.08)}}
.mesh::after{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E")}

.page{position:relative;z-index:1;width:100%;max-width:430px;min-height:100vh;
  padding:34px 18px calc(40px + env(safe-area-inset-bottom));}
@media(min-width:500px){.page{background:var(--bg);box-shadow:0 0 80px rgba(23,50,90,.12);}}

/* ===== 入场动画 ===== */
.rise{animation:none}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* ===== 品牌区 ===== */
.brand{text-align:center;margin-bottom:20px;position:relative;padding:10px 34px 0}
.pill{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.85);
  
  border:1px solid rgba(255,255,255,.9);border-radius:999px;padding:6px 15px;
  font-size:11px;color:var(--ink-2);letter-spacing:.8px;box-shadow:var(--shadow)}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--mint);position:relative;flex:none}
.pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;background:rgba(16,185,129,.35);animation:ping 1.8s ease-out infinite}
@keyframes ping{0%{transform:scale(.4);opacity:1}100%{transform:scale(1.7);opacity:0}}

.brand h1{font-size:31px;font-weight:900;letter-spacing:1.5px;margin:15px 0 13px;display:inline-block;position:relative;
  background:linear-gradient(115deg,#0ea472,#2563eb 45%,#7c3aed 62%,#0ea472 100%);
  background-size:250% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradMove 6s ease-in-out infinite alternate}
@keyframes gradMove{to{background-position:100% 0}}
.brand h1 .hq{position:absolute;right:-26px;top:-4px;font-size:19px;color:var(--amber);animation:float2 3s ease-in-out infinite}
@keyframes float2{0%,100%{transform:translateY(0) rotate(8deg)}50%{transform:translateY(-5px) rotate(14deg)}}
.underline{display:block;width:0;height:9px;border-radius:999px;margin:-9px auto 0;
  background:var(--grad);opacity:.85;animation:lineGrow 1s .5s cubic-bezier(.22,.9,.36,1) forwards}
@keyframes lineGrow{to{width:74%}}
.brand .sub{margin-top:13px;font-size:11.5px;color:var(--ink-3);letter-spacing:.4px;line-height:1.85}

/* 悬浮装饰徽章 */
.float-badge{position:absolute;width:42px;height:42px;border-radius:14px;background:#fff;
  box-shadow:var(--shadow-lift);display:grid;place-items:center;z-index:2;
  animation:floaty 3.6s ease-in-out infinite}
.float-badge svg{width:20px;height:20px}
.fb-1{left:-8px;top:16px;color:var(--sky);transform:rotate(-8deg);animation-delay:0s}
.fb-2{right:-6px;top:44px;color:var(--amber);transform:rotate(9deg);animation-delay:-1.2s}
.fb-3{left:2px;bottom:2px;color:var(--mint);transform:rotate(6deg);animation-delay:-2.4s}
@keyframes floaty{0%,100%{margin-top:0}50%{margin-top:-7px}}
/* 闪烁星星 */
.spark{position:absolute;color:var(--amber);font-size:12px;opacity:.7;animation:twk 2.4s ease-in-out infinite}
.sp-1{left:52px;top:0;font-size:10px}
.sp-2{right:60px;bottom:8px;animation-delay:-1.1s}
.sp-3{left:16px;top:56px;font-size:9px;color:var(--sky);animation-delay:-1.8s}
@keyframes twk{0%,100%{opacity:.15;transform:scale(.8)}50%{opacity:.9;transform:scale(1.15)}}

/* ===== 好评社交证明 ===== */
.social{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:20px}
.avatars{display:flex}
.avatars i{width:34px;height:34px;border-radius:50%;border:2.5px solid #fff;margin-left:-9px;
  box-shadow:0 3px 8px rgba(23,50,90,.15)}
.avatars i:first-child{margin-left:0}
.avatars i.more{display:grid;place-items:center;color:#fff;font-size:9.5px;font-weight:800;
  background:linear-gradient(135deg,#3b82f6,#8b5cf6)}
.social .txt{text-align:left}
.social .txt b{font-size:13px;display:block;margin-bottom:2px}
.stars{color:var(--amber);font-size:11px;letter-spacing:2px}
.social .txt span{font-size:10.5px;color:var(--ink-3)}

/* ===== Bento 数据 ===== */
.bento{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.9)}
.cell-main{grid-column:span 2;display:flex;align-items:center;gap:18px;padding:19px 20px;position:relative;overflow:hidden}
.cell-main::after{content:"";position:absolute;right:-30px;top:-40px;width:130px;height:130px;border-radius:50%;
  background:radial-gradient(circle,rgba(59,130,246,.08),transparent 70%)}
.ring{width:86px;height:86px;flex:none;position:relative}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:7;stroke-linecap:round}
.ring .bg{stroke:#e9eef6}
.ring .fg{stroke:url(#ringGrad);stroke-dasharray:226.2;stroke-dashoffset:226.2;transition:stroke-dashoffset 1.6s cubic-bezier(.3,.8,.3,1)}
.ring .c{position:absolute;inset:0;display:grid;place-items:center;text-align:center}
.ring .c b{font-size:14px;font-weight:900;display:block}
.ring .c span{font-size:8.5px;color:var(--ink-3);letter-spacing:.5px}
.cm-k{font-size:11px;color:var(--ink-3);letter-spacing:1px;margin-bottom:7px}
.cm-v{font-family:var(--mono);font-size:22px;font-weight:800;letter-spacing:.5px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cm-v small{font-size:11px;-webkit-text-fill-color:var(--ink-3);font-weight:400;margin:0 4px 0 1px}
.cm-d{font-size:10.5px;color:var(--ink-3);margin-top:8px;display:flex;align-items:center;gap:5px}
.cm-d b{color:var(--mint);font-weight:700}
.cm-d svg{width:12px;height:12px;color:var(--mint)}
.cell{padding:16px}
.cell .k{font-size:10.5px;color:var(--ink-3);letter-spacing:1px;margin-bottom:8px}
.cell .v{font-size:22px;font-weight:900;font-family:var(--mono)}
.cell .v em{font-style:normal;font-size:10.5px;color:var(--ink-3);font-weight:400;margin-left:3px;font-family:inherit}
.cell .delta{display:inline-flex;align-items:center;gap:3px;margin-top:7px;font-size:10px;font-weight:700;
  color:var(--mint);background:rgba(16,185,129,.09);border-radius:999px;padding:2.5px 8px}
.cell .delta svg{width:9px;height:9px}

/* ===== 注册/登录入口卡 ===== */
.auth{padding:24px 19px 21px;margin-bottom:24px;position:relative;overflow:hidden}
.auth::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--grad)}
.entry-tip{display:flex;align-items:center;justify-content:center;gap:6px;margin-bottom:16px;
  font-size:11px;color:var(--ink-3);letter-spacing:.5px;flex-wrap:wrap}
.entry-tip svg{width:13px;height:13px;color:var(--mint);flex:none}
.btn-main{width:100%;height:58px;border:0;border-radius:18px;cursor:pointer;font-family:inherit;text-decoration:none;
  display:flex;align-items:center;justify-content:center;gap:10px;
  background:var(--grad);background-size:150% 100%;color:#fff;font-size:16.5px;font-weight:900;letter-spacing:3px;
  box-shadow:0 12px 28px rgba(34,150,180,.38);transition:transform .15s,background-position .5s,box-shadow .25s;
  position:relative;overflow:hidden}
.btn-main svg{width:20px;height:20px;flex:none}
.btn-main .badge{font-size:10px;font-weight:700;letter-spacing:1px;flex:none;
  background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.35);border-radius:99px;padding:3.5px 10px}
.btn-main::after{content:"";position:absolute;top:0;left:-80%;width:45%;height:100%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.4),transparent);transform:skewX(-18deg);
  animation:btnshine 3.6s ease-in-out infinite}
@keyframes btnshine{0%,25%{left:-80%}65%,100%{left:150%}}
.btn-main:active{transform:scale(.97)}
.btn-main:hover{background-position:100% 0;box-shadow:0 14px 34px rgba(34,150,180,.45)}
.btn-ghost{width:100%;height:52px;margin-top:11px;border-radius:17px;cursor:pointer;font-family:inherit;text-decoration:none;
  display:flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:14.5px;font-weight:800;letter-spacing:2px;transition:.2s}
.btn-ghost svg{width:17px;height:17px;color:var(--mint);flex:none;transition:transform .2s}
.btn-ghost:hover{border-color:rgba(16,185,129,.45);background:#f6fdfa;color:var(--ink)}
.btn-ghost:hover svg{transform:translateX(3px)}
.btn-ghost:active{transform:scale(.97)}
.entry-note{margin-top:14px;text-align:center;font-size:10.5px;color:var(--ink-3);line-height:1.9}
.entry-note a{color:var(--mint);text-decoration:none;font-weight:700}

/* ===== 使用流程 ===== */
.sec-head{display:flex;align-items:center;gap:12px;margin-bottom:13px;font-size:14px;font-weight:900;letter-spacing:2px}
.sec-head::before,.sec-head::after{content:"";flex:1;height:1.5px;border-radius:2px;
  background:linear-gradient(90deg,transparent,#dfe6f0,transparent)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}
.step{background:var(--card);border-radius:20px;padding:16px 8px 14px;text-align:center;box-shadow:var(--shadow);
  position:relative;transition:transform .2s}
.step:hover{transform:translateY(-3px)}
.step .num{width:34px;height:34px;margin:0 auto 10px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:900;box-shadow:0 6px 14px rgba(34,150,180,.3)}
.step b{display:block;font-size:13px;font-weight:800;margin-bottom:5px}
.step span{font-size:10px;color:var(--ink-3);line-height:1.6;display:block}

/* ===== 主推服务卡 ===== */
.svc-featured{position:relative;border-radius:24px;padding:19px 18px;margin-bottom:12px;overflow:hidden;cursor:pointer;
  background:linear-gradient(135deg,#e7f9f1 0%,#e3efff 55%,#f0e9fe 100%);
  border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow-lift);transition:transform .2s}
.svc-featured:hover{transform:translateY(-3px)}
.svc-featured::before{content:"";position:absolute;right:-46px;top:-52px;width:170px;height:170px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,92,246,.14),transparent 70%)}
.svc-featured::after{content:"";position:absolute;left:-36px;bottom:-60px;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle,rgba(16,185,129,.14),transparent 70%)}
.sf-row{display:flex;align-items:center;gap:14px;position:relative;z-index:1}
.sf-ic{width:54px;height:54px;border-radius:18px;background:var(--grad);color:#fff;display:grid;place-items:center;
  flex:none;box-shadow:0 10px 22px rgba(34,150,180,.35)}
.sf-ic svg{width:26px;height:26px}
.sf-t{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:900;margin-bottom:5px}
.tg{font-size:9.5px;font-weight:800;letter-spacing:1px;border-radius:6px;padding:2.5px 8px}
.tg.core{color:#fff;background:linear-gradient(115deg,#f59e0b,#f97316);box-shadow:0 4px 10px rgba(245,158,11,.35)}
.tg.free{color:var(--mint);background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.25)}
.sf-d{font-size:11.5px;color:var(--ink-2);line-height:1.7}
.sf-chips{display:flex;gap:8px;margin-top:13px;position:relative;z-index:1;flex-wrap:wrap}
.sf-chip{font-size:10px;font-weight:700;color:var(--ink-2);background:rgba(255,255,255,.75);
  border:1px solid rgba(255,255,255,.9);border-radius:999px;padding:4px 11px;display:flex;align-items:center;gap:4px;
  }
.sf-chip svg{width:11px;height:11px;color:var(--mint)}

/* ===== 普通服务卡 ===== */
.svc{display:flex;align-items:center;gap:14px;padding:17px;margin-bottom:12px;cursor:pointer;transition:transform .2s}
.svc:hover{transform:translateY(-2px)}
.svc:active{transform:scale(.98)}
.svc-ic{width:50px;height:50px;border-radius:17px;display:grid;place-items:center;flex:none}
.svc-ic.g{background:linear-gradient(140deg,#e7f9f1,#d3f0e6);color:var(--mint)}
.svc-ic.b{background:linear-gradient(140deg,#e9f1fe,#d9e8fd);color:var(--sky)}
.svc-ic svg{width:24px;height:24px}
.svc-b{flex:1;min-width:0}
.svc-t{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:800;margin-bottom:5px}
.svc-d{font-size:11.5px;color:var(--ink-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.chev{color:#c5cedd;flex:none}.chev svg{width:16px;height:16px}

/* ===== 用户评价 ===== */
.quotes{display:flex;flex-direction:column;gap:11px;margin-bottom:24px}
.quote{background:var(--card);border-radius:22px;padding:16px 17px;box-shadow:var(--shadow);position:relative}
.quote::before{content:""";position:absolute;right:16px;top:6px;font-size:44px;font-weight:900;
  color:#eef2f8;font-family:Georgia,serif;line-height:1}
.q-head{display:flex;align-items:center;gap:11px;margin-bottom:10px}
.q-av{width:38px;height:38px;border-radius:50%;flex:none;display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800}
.q-name{font-size:13px;font-weight:800}
.q-meta{font-size:10px;color:var(--ink-3);margin-top:2px}
.q-stars{margin-left:auto;color:var(--amber);font-size:10px;letter-spacing:2px}
.quote p{font-size:12px;color:var(--ink-2);line-height:1.85}
.quote p b{color:var(--ink)}

/* ===== 渐变描边横幅 ===== */
.banner{position:relative;display:flex;align-items:center;gap:15px;padding:19px;margin-top:2px;border-radius:var(--r)}
.banner::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1.5px;
  background:linear-gradient(120deg,#10b981,#3b82f6,#8b5cf6);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.banner .fill{position:absolute;inset:0;border-radius:inherit;background:linear-gradient(120deg,rgba(16,185,129,.06),rgba(59,130,246,.06),rgba(139,92,246,.08))}
.banner .c{position:relative;display:flex;align-items:center;gap:15px;width:100%}
.bn-ic{width:52px;height:52px;border-radius:17px;background:var(--grad);display:grid;place-items:center;
  flex:none;color:#fff;box-shadow:0 10px 20px rgba(34,150,180,.3);animation:floaty2 3.4s ease-in-out infinite}
@keyframes floaty2{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.bn-ic svg{width:26px;height:26px}
.bn-t{font-size:15px;font-weight:900;letter-spacing:1px;margin-bottom:5px}
.bn-d{font-size:11.5px;color:var(--ink-2);line-height:1.7}
.bn-arrow{margin-left:auto;width:34px;height:34px;border-radius:12px;background:#fff;display:grid;place-items:center;flex:none;color:var(--sky);box-shadow:var(--shadow)}
.bn-arrow svg{width:16px;height:16px}

footer{text-align:center;font-size:10px;color:#b4bdcd;letter-spacing:1px;margin-top:28px;line-height:2}

.toast{position:fixed;left:50%;bottom:86px;transform:translateX(-50%) translateY(16px);
  background:rgba(24,34,52,.94);color:#fff;font-size:13px;padding:11px 22px;border-radius:999px;
  opacity:0;pointer-events:none;transition:.3s;z-index:99;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ===== 桌面版（≥900px）双栏落地页 ===== */
@media(min-width:900px){
  body{background:#e9eef7}
  .page{max-width:1440px;min-height:100vh;margin:0 auto;padding:62px 48px 48px;
    display:grid;grid-template-columns:1.06fr .94fr;column-gap:56px;row-gap:26px;align-items:start;
    background:transparent;box-shadow:none;border-radius:0}
  .page>*{margin-bottom:0}
  .page>*:nth-child(1){grid-column:1;grid-row:1}
  .page>*:nth-child(2){grid-column:1;grid-row:2}
  .page>*:nth-child(3){grid-column:1;grid-row:3}
  .page>*:nth-child(4){grid-column:2;grid-row:1;margin-top:6px;padding:30px 26px 26px}
  .page>*:nth-child(5){grid-column:2;grid-row:2}
  .page>*:nth-child(6){grid-column:2;grid-row:3}
  .page>*:nth-child(7){grid-column:1/-1;grid-row:4}
  .page>*:nth-child(8){grid-column:1;grid-row:5}
  .page>*:nth-child(9){grid-column:2;grid-row:5;align-self:stretch}
  .page>*:nth-child(10){grid-column:1/-1;grid-row:6}
  .page>*:nth-child(11){grid-column:1/-1;grid-row:7;display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .page>*:nth-child(12){grid-column:1/-1;grid-row:8}
  .page>*:nth-child(13){grid-column:1/-1;grid-row:9;margin-top:8px}
  header.brand{text-align:left;padding-top:4px}
  header.brand h1{font-size:44px;margin:18px 0 15px}
  .underline{margin:0 0 15px}
  .float-badge{display:none}
}