/* AI 快捷通首页 · 「透明小票」设计：暖白票据纸 + 深墨蓝 + 信号黄，红色印章只用于「杜绝黑充」。 */
:root{
  --ink:#0b1830;--ink-2:#1d2d48;--muted:#5d6a7e;--paper:#f4f0e6;--paper-2:#ebe5d6;--card:#fffdf7;
  --line:#d8d0bd;--yellow:#ffd23f;--yellow-2:#ffe68a;--red:#d8412a;--green:#1c7a52;--green-bg:#e3f1e8;--red-bg:#fbe6e1;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --sans:"PingFang SC","Hiragino Sans GB","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --radius:14px;--wrap:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
/* 票据纸的细横纹，给大面积底色一点质感 */
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background:repeating-linear-gradient(0deg,rgba(11,24,48,.018) 0 1px,transparent 1px 4px)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}
.wrap{width:min(var(--wrap),100% - 40px);margin-inline:auto}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px;border-radius:6px}

/* 本地/模拟环境横幅（服务端注入） */
.store-environment{background:var(--yellow-2);color:#5a4300;text-align:center;font-size:13px;padding:7px 16px;border-bottom:1px solid #e8cf6a}

/* 顶栏 */
.site-header{position:sticky;top:0;z-index:30;background:rgba(244,240,230,.88);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid rgba(11,24,48,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.01em}
.logo-mark{display:flex;transition:transform .3s cubic-bezier(.3,1.6,.5,1)}
.logo:hover .logo-mark{transform:rotate(-8deg) scale(1.06)}
.nav-links{display:flex;gap:28px;font-size:15px;color:var(--ink-2)}
.nav-links a{position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--ink);transition:right .25s}
.nav-links a:hover::after{right:0}
.nav-cta{border:1.5px solid var(--ink);padding:8px 18px;border-radius:999px;font-weight:700;font-size:14px;transition:background .2s,color .2s}
.nav-cta:hover{background:var(--ink);color:var(--paper)}

/* 首屏 */
.hero{padding:72px 0 88px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-180px;top:-160px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(255,210,63,.42),rgba(255,210,63,0) 68%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;position:relative;z-index:1}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--ink-2);background:var(--card);border:1px solid var(--line);padding:6px 14px 6px 6px;border-radius:999px}
.kicker-flag{font-family:var(--mono);font-size:11px;font-weight:800;letter-spacing:.08em;background:var(--ink);color:var(--yellow);padding:3px 8px;border-radius:999px}
.hero-title{font-size:clamp(44px,6.4vw,84px);line-height:1.08;font-weight:900;letter-spacing:-.02em;margin:26px 0 24px}
.hero-title .line{display:block;opacity:0;transform:translateY(18px);animation:rise .7s cubic-bezier(.2,.8,.2,1) forwards}
.hero-title .line:nth-child(2){animation-delay:.1s}
.hero-title .line:nth-child(3){animation-delay:.2s}
.hero-title mark{background:linear-gradient(transparent 58%,var(--yellow) 58% 92%,transparent 92%);color:inherit;padding:0 .04em}
.hero-lede{font-size:18px;color:var(--ink-2);max-width:34em;opacity:0;animation:rise .7s .3s cubic-bezier(.2,.8,.2,1) forwards}
.hero-lede b{font-weight:800;color:var(--ink);background:linear-gradient(transparent 62%,var(--yellow-2) 62%);padding:0 2px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:32px 0 26px;opacity:0;animation:rise .7s .4s cubic-bezier(.2,.8,.2,1) forwards}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:54px;padding:0 26px;border-radius:12px;font-weight:800;font-size:16px;border:2px solid var(--ink);transition:transform .15s,box-shadow .15s,background .2s}
.btn-solid{background:var(--ink);color:var(--paper);box-shadow:4px 4px 0 var(--yellow)}
.btn-solid:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--yellow)}
.btn-solid:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--yellow)}
.btn-price{font-family:var(--mono);font-size:13px;background:var(--yellow);color:var(--ink);padding:3px 8px;border-radius:6px}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--card)}
.hero-chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;color:var(--muted);opacity:0;animation:rise .7s .5s cubic-bezier(.2,.8,.2,1) forwards}
.hero-chips li{display:flex;align-items:center;gap:6px}
.hero-chips li::before{content:"✓";display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--green-bg);color:var(--green);font-size:11px;font-weight:900}

/* 小票 */
.receipt{position:relative;justify-self:center;width:min(380px,100%);opacity:0;animation:drop .9s .25s cubic-bezier(.2,.9,.25,1.1) forwards}
.receipt-paper{position:relative;background:var(--card);padding:30px 28px 34px;transform:rotate(1.6deg);box-shadow:0 1px 0 var(--line),0 24px 48px -20px rgba(11,24,48,.35);
  -webkit-mask:radial-gradient(circle at 8px 0,transparent 6px,#000 6.5px) 0 0/16px 51% repeat-x,radial-gradient(circle at 8px 100%,transparent 6px,#000 6.5px) 0 100%/16px 51% repeat-x;
  mask:radial-gradient(circle at 8px 0,transparent 6px,#000 6.5px) 0 0/16px 51% repeat-x,radial-gradient(circle at 8px 100%,transparent 6px,#000 6.5px) 0 100%/16px 51% repeat-x}
.receipt-head{text-align:center;display:grid;gap:2px}
.receipt-head strong{font-size:20px;font-weight:900;letter-spacing:.06em}
.receipt-head span{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--muted)}
.receipt-rule{border-top:2px dashed var(--line);margin:18px 0}
.receipt-rows{display:grid;gap:11px;font-size:14px}
.receipt-rows div{display:flex;align-items:baseline;gap:8px}
.receipt-rows dt{color:var(--muted);white-space:nowrap}
.receipt-rows div::after{content:"";order:1;flex:1;border-bottom:1px dotted #bfb59d;transform:translateY(-4px)}
.receipt-rows dd{order:2;font-weight:700;white-space:nowrap}
.receipt-rows dd::after{content:" ✓";color:var(--green)}
.receipt-total{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.receipt-total span{font-weight:800}
.receipt-total strong{font-family:var(--mono);font-size:20px;font-weight:800;text-align:right}
.receipt-total strong.is-price{font-size:28px}
.receipt-foot{margin-top:14px;text-align:center;font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.04em}
.stamp{position:absolute;z-index:2;right:-34px;top:-30px;width:104px;height:104px;border-radius:50%;border:3px solid var(--red);color:var(--red);display:grid;place-content:center;text-align:center;line-height:1.1;transform:rotate(-16deg);opacity:0;animation:stamp .45s 1s cubic-bezier(.3,1.8,.5,1) forwards;
  background:radial-gradient(circle,transparent 42px,var(--red) 42.5px 44px,transparent 44.5px)}
.stamp span{font-size:13px;font-weight:800;letter-spacing:.3em;padding-left:.3em}
.stamp b{font-size:24px;font-weight:900;letter-spacing:.08em}

/* 滚动字条 */
.ticker{background:var(--ink);color:var(--paper);overflow:hidden;padding:14px 0;border-block:3px solid var(--yellow)}
.ticker-track{display:flex;width:max-content;animation:scroll 128s linear infinite;font-weight:800;font-size:17px;letter-spacing:.06em;white-space:nowrap}
/* 每组末尾补一个间距（padding-right），两组宽度严格相等，移动 -50% 正好是一组，接缝处不跳。文案重复 4 遍，时长按原速度同比放大到 128s。 */
.ticker-group{display:flex;flex:none;gap:28px;padding-right:28px}
.ticker i{color:var(--yellow);font-style:normal}

/* 通用段落 */
.section{padding:104px 0}
.sec-head{display:grid;grid-template-columns:auto 1fr;grid-template-areas:"no no" "h side";gap:12px 48px;align-items:end;margin-bottom:48px}
.sec-head.is-stack{display:block;margin-bottom:0}
.sec-no{grid-area:no;font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--muted);margin-bottom:6px}
.sec-no::before{content:"";display:inline-block;width:22px;height:3px;background:var(--yellow);vertical-align:middle;margin-right:10px;transform:translateY(-2px)}
.sec-head h2{grid-area:h;font-size:clamp(32px,4.2vw,52px);line-height:1.15;font-weight:900;letter-spacing:-.015em}
.sec-side{grid-area:side;justify-self:end;max-width:26em;color:var(--muted);font-size:15px}
.sec-lede{margin-top:20px;color:var(--ink-2);font-size:16px;max-width:30em}
.br-m{display:none}

/* 价签商品卡 */
.tag-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(264px,1fr));gap:22px}
.tag-grid[data-count="3"]{grid-template-columns:repeat(3,minmax(0,1fr))}
.tag-grid[data-count="2"]{grid-template-columns:repeat(2,minmax(0,1fr))}
.tag-grid[data-count="1"]{grid-template-columns:minmax(0,420px)}
.price-tag{position:relative;display:flex;flex-direction:column;background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);padding:26px 24px 22px;transition:transform .2s,box-shadow .2s;box-shadow:0 0 0 var(--ink)}
.price-tag:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--ink)}
.price-tag::before{content:"";position:absolute;top:16px;right:18px;width:14px;height:14px;border-radius:50%;border:2px solid var(--ink);background:var(--paper)}
.price-tag.is-featured{background:var(--yellow)}
.price-tag.is-featured::before{background:var(--yellow-2)}
.tag-badge{align-self:flex-start;font-size:12px;font-weight:800;background:var(--red);color:#fff;padding:3px 10px;border-radius:6px;margin-bottom:12px;transform:rotate(-2deg)}
.tag-name{font-size:19px;font-weight:800;line-height:1.35;padding-right:26px}
.tag-price{display:flex;align-items:flex-start;gap:2px;margin:14px 0 4px;font-family:var(--mono);font-weight:800;line-height:1}
.tag-price small{font-size:20px;margin-top:6px}
.tag-price strong{font-size:52px;letter-spacing:-.03em}
.tag-price em{font-style:normal;font-size:22px;margin-top:4px}
.tag-points{list-style:none;display:grid;gap:7px;margin:16px 0 22px;padding-top:16px;border-top:2px dashed rgba(11,24,48,.22);font-size:14px;color:var(--ink-2)}
.tag-points li{display:flex;gap:8px}
.tag-points li::before{content:"✓";color:var(--green);font-weight:900}
.price-tag.is-featured .tag-points li::before{color:var(--ink)}
.tag-state{font-size:12px;font-weight:700;color:var(--muted);margin-bottom:10px}
.tag-cta{margin-top:auto;display:flex;align-items:center;justify-content:center;height:48px;border-radius:10px;background:var(--ink);color:var(--paper);font-weight:800;border:0;width:100%;transition:background .2s}
.tag-cta:hover{background:var(--ink-2)}
.tag-cta.is-contact{background:transparent;color:var(--ink);border:2px solid var(--ink)}
.tag-cta.is-contact:hover{background:rgba(11,24,48,.06)}
.store-status{grid-column:1/-1;text-align:center;padding:48px 20px;border:2px dashed var(--line);border-radius:var(--radius);color:var(--muted);background:rgba(255,253,247,.6)}
.store-retry{margin-top:12px;border:2px solid var(--ink);background:var(--card);padding:8px 18px;border-radius:999px;font-weight:700}

/* 为什么便宜 */
.why{background:var(--paper-2)}
.why-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.compare{background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);overflow:hidden;box-shadow:8px 8px 0 var(--ink)}
.compare-row{display:grid;grid-template-columns:1fr 1.15fr 1fr;border-top:1px solid var(--line)}
.compare-row>span{padding:16px 18px;font-size:15px}
.compare-row>span:first-child{color:var(--muted);font-size:14px}
.compare-top{border-top:0;background:var(--ink);color:var(--paper)}
.compare-top>span{font-weight:800;font-size:14px}
.compare-top .is-good{background:var(--yellow);color:var(--ink)}
.compare-top .is-bad{color:#f6b6a8}
.compare-row:not(.compare-top) .is-good{font-weight:800;background:var(--green-bg)}
.compare-row:not(.compare-top) .is-good::before{content:"✓ ";color:var(--green)}
.compare-row:not(.compare-top) .is-bad{color:#8a3a2c;text-decoration:line-through;text-decoration-color:rgba(216,65,42,.55);text-decoration-thickness:2px}

/* 怎么充 */
.step-list{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step-list li{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px 28px}
.step-list li:not(:last-child)::after{content:"→";position:absolute;right:-19px;top:36px;z-index:1;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--yellow);font-weight:900;font-size:14px}
.step-no{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--ink);color:var(--yellow);font-family:var(--mono);font-size:22px;font-weight:800;margin-bottom:18px}
.step-list h3{font-size:20px;font-weight:800;margin-bottom:8px}
.step-list p{color:var(--muted);font-size:15px}

/* 质保 */
.warranty{background:var(--ink);color:var(--paper)}
.warranty .sec-no{color:#9fb0c9}
.warranty .sec-lede{color:#c9d3e2}
.warranty-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:64px;align-items:center}
.promise-list{list-style:none;display:grid;gap:0;border-top:1px solid rgba(255,255,255,.14)}
.promise-list li{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.promise-list b{color:var(--yellow);font-size:17px}
.promise-list span{color:#dfe6f0}

/* 常见问题：收尾段，紧凑排布 */
.faq{padding:64px 0 72px}
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:56px;align-items:start}
.faq-grid .sec-head{position:sticky;top:96px}
.faq-grid .sec-head h2{font-size:clamp(26px,3vw,36px)}
.faq-list details{border-bottom:1px solid rgba(11,24,48,.18)}
.faq-list details:first-child{border-top:2px solid var(--ink)}
.faq-list details:last-child{border-bottom:2px solid var(--ink)}
.faq-list summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:13px 2px;font-size:15.5px;font-weight:700;cursor:pointer}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--ink);font-family:var(--mono);font-size:13px;transition:transform .25s,background .2s}
.faq-list summary:hover{color:var(--ink-2)}
.faq-list details[open] summary::after{transform:rotate(45deg);background:var(--yellow)}
.faq-body{padding:0 38px 14px 2px;color:var(--ink-2);font-size:14.5px}

/* 客服二维码：放在常见问题左栏标题下方，后台开启且配置了图片才显示 */
.faq-contact{margin-top:28px;background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);padding:18px 18px 16px;box-shadow:5px 5px 0 var(--yellow);max-width:360px}
.faq-contact-title{font-weight:800;font-size:15px;margin-bottom:12px}
.qr-grid{display:flex;gap:12px;flex-wrap:wrap}
.qr-card{text-align:center;font-weight:700;font-size:12px;color:var(--ink-2)}
.qr-box{background:#fff;border:1.5px solid var(--ink);border-radius:10px;padding:6px;margin-bottom:6px}
.qr-box img{width:132px;height:132px;object-fit:contain}
.contact-tip{margin-top:10px;font-size:13px;color:var(--muted)}

/* 页脚 */
.site-footer{background:var(--ink);color:#c9d3e2;padding:40px 0 48px;border-top:3px solid var(--yellow)}
.footer-inner{display:grid;grid-template-columns:auto 1fr;gap:16px 40px;align-items:center}
.footer-brand{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.footer-brand strong{color:#fff;font-size:18px}
.footer-links{display:flex;gap:24px;justify-content:flex-end;font-size:14px}
.footer-links a:hover{color:var(--yellow)}
.footer-legal{grid-column:1/-1;font-size:12px;color:#8494ad;border-top:1px solid rgba(255,255,255,.1);padding-top:16px}

/* 教程卡片：首页「热门教程」、教程列表和推荐阅读共用（服务端渲染） */
.nav-links a.is-current::after{right:0}
.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.article-card{display:flex;flex-direction:column;gap:12px;background:var(--card);border:1.5px solid var(--line);border-radius:var(--radius);padding:24px 24px 22px;transition:transform .2s,box-shadow .2s,border-color .2s}
.article-card:hover{transform:translate(-3px,-3px);border-color:var(--ink);box-shadow:6px 6px 0 var(--ink)}
.card-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:800;line-height:1;padding:6px 10px;border-radius:999px;background:var(--paper-2);color:var(--ink-2)}
.tag.is-featured{background:var(--yellow);color:var(--ink)}
.card-title{font-size:18px;line-height:1.5;font-weight:800;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-summary{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:6px;display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card-more{font-size:14px;font-weight:800;color:var(--ink)}
.card-date{font-family:var(--mono);font-size:12px;color:var(--muted)}
.article-card:hover .card-more{text-decoration:underline;text-decoration-color:var(--yellow);text-decoration-thickness:3px;text-underline-offset:4px}
.home-more{margin-top:32px;text-align:center}

/* 用户评价 + 统计条 */
.home-reviews{background:var(--paper-2)}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.review-grid[data-count="1"]{grid-template-columns:minmax(0,560px)}
.review-grid[data-count="2"]{grid-template-columns:repeat(2,minmax(0,1fr))}
.review-card{display:flex;flex-direction:column;gap:16px;background:var(--card);border:1.5px solid var(--line);border-radius:var(--radius);padding:26px 26px 22px}
.review-card blockquote{font-size:15px;color:var(--ink-2);line-height:1.85}
.stars{position:relative;display:inline-block;align-self:flex-start;font-size:18px;line-height:1;letter-spacing:3px;color:#d3c9b1}
.stars::before{content:"★★★★★"}
.stars>span{position:absolute;left:0;top:0;overflow:hidden;white-space:nowrap;color:#e2a400}
.stars>span::before{content:"★★★★★"}
.stars.r10>span{width:20%}.stars.r15>span{width:30%}.stars.r20>span{width:40%}.stars.r25>span{width:50%}.stars.r30>span{width:60%}
.stars.r35>span{width:70%}.stars.r40>span{width:80%}.stars.r45>span{width:90%}.stars.r50>span{width:100%}
.review-person{display:flex;align-items:center;gap:12px;margin-top:auto}
.review-avatar{flex:none;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--yellow-2);color:var(--ink);font-weight:900;font-size:18px}
.review-person strong{display:block;font-size:15px}
.review-person small{display:block;font-size:12.5px;color:var(--muted)}
.review-tags{display:flex;flex-wrap:wrap;gap:8px}
.review-tags span{max-width:100%;overflow-wrap:anywhere;line-height:1.4;font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px;background:var(--paper-2);color:var(--ink-2)}
.stat-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:32px;background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);box-shadow:6px 6px 0 var(--ink);padding:26px 12px}
.stat-bar[data-count="1"]{grid-template-columns:1fr}.stat-bar[data-count="2"]{grid-template-columns:repeat(2,minmax(0,1fr))}.stat-bar[data-count="3"]{grid-template-columns:repeat(3,minmax(0,1fr))}
.stat-bar>div{display:flex;flex-direction:column-reverse;align-items:center;gap:6px;text-align:center;padding:0 8px}
.stat-bar>div+div{border-left:1px dashed var(--line)}
.stat-bar dt{font-size:14px;color:var(--muted)}
.stat-bar dd{font-family:var(--mono);font-size:clamp(30px,3.6vw,44px);font-weight:800;line-height:1.1;letter-spacing:-.02em}
.stat-bar dd small{font-size:.55em;margin-left:2px}

/* 联系客服弹窗 */
.contact-dialog{margin:auto;border:2px solid var(--ink);border-radius:18px;padding:0;background:var(--card);color:var(--ink);box-shadow:8px 8px 0 var(--ink);max-width:min(460px,calc(100% - 32px))}
.contact-dialog::backdrop{background:rgba(11,24,48,.55)}
.contact-dialog-body{padding:28px;text-align:center;display:grid;gap:12px}
.contact-dialog-body h3{font-size:20px;font-weight:900}
.contact-dialog-product{color:var(--muted);font-size:14px}
.contact-dialog-qr{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.contact-dialog-qr img{width:170px;height:170px;border:2px solid var(--ink);border-radius:10px;background:#fff;padding:6px}
.contact-dialog-note{font-size:14px;color:var(--ink-2)}
.contact-dialog-loading{color:var(--muted);padding:24px 0}
.contact-dialog-close{height:46px;border-radius:10px;border:0;background:var(--ink);color:var(--paper);font-weight:800}

/* 手机底部快捷栏 */
.float-bar{display:none}

@keyframes rise{to{opacity:1;transform:none}}
@keyframes drop{from{opacity:0;transform:translateY(-26px) rotate(-3deg)}to{opacity:1;transform:none}}
@keyframes stamp{from{opacity:0;transform:rotate(-16deg) scale(1.9)}to{opacity:.92;transform:rotate(-16deg) scale(1)}}
@keyframes scroll{to{transform:translateX(-50%)}}

@media (max-width:980px){
  .tag-grid[data-count="3"]{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav-links{display:none}
  .hero{padding:44px 0 64px}
  .hero-grid,.why-grid,.warranty-grid,.faq-grid{grid-template-columns:1fr;gap:44px}
  .receipt{width:min(360px,100%)}
  .sec-head{grid-template-columns:1fr;grid-template-areas:"no" "h" "side"}
  .sec-side{justify-self:start}
  .step-list{grid-template-columns:1fr}
  .step-list li:not(:last-child)::after{content:"↓";right:auto;left:34px;top:auto;bottom:-19px}
  .faq-grid .sec-head{position:static}
  .faq-grid{gap:24px}
}
@media (max-width:640px){
  .tag-grid[data-count]{grid-template-columns:minmax(0,1fr)}
  .wrap{width:calc(100% - 32px)}
  .section{padding:72px 0}
  .br-m{display:inline}
  .hero-title{margin:20px 0 18px}
  .hero-lede{font-size:16px}
  .btn{flex:1 1 auto;padding:0 18px}
  .receipt-paper{padding:26px 20px 30px;transform:rotate(1deg)}
  .stamp{right:-8px;top:-34px;width:88px;height:88px;background:radial-gradient(circle,transparent 35px,var(--red) 35.5px 37px,transparent 37.5px)}
  .stamp b{font-size:20px}
  .compare-row{grid-template-columns:.8fr 1fr 1fr}
  .compare-row>span{padding:12px 10px;font-size:13px}
  .compare-row>span:first-child{font-size:12px}
  .promise-list li{grid-template-columns:1fr;gap:4px}
  .faq-body{padding-right:8px}
  .faq{padding:52px 0 56px}
  .faq-contact{max-width:none}
  .qr-grid{justify-content:center}
  .qr-box img{width:128px;height:128px}
  .footer-inner{grid-template-columns:1fr}
  .footer-links{justify-content:flex-start;flex-wrap:wrap;gap:12px 20px}
  body{padding-bottom:76px}
  .float-bar{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:8px;position:fixed;left:12px;right:12px;bottom:12px;z-index:40;background:rgba(11,24,48,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-radius:16px;padding:8px;box-shadow:0 12px 30px -10px rgba(11,24,48,.6)}
  .float-bar a{display:grid;place-items:center;height:44px;border-radius:10px;color:var(--paper);font-weight:700;font-size:15px}
  .float-bar .f-cta{background:var(--yellow);color:var(--ink);font-weight:900}
}
@media (max-width:980px){
  .article-grid,.review-grid,.review-grid[data-count="2"]{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-bar,.stat-bar[data-count="3"]{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:22px}
  .stat-bar>div:nth-child(odd){border-left:0}
}
@media (max-width:640px){
  .article-grid,.review-grid,.review-grid[data-count]{grid-template-columns:minmax(0,1fr)}
  .article-card,.review-card{padding:20px 18px 18px}
  .stat-bar{padding:20px 6px;box-shadow:4px 4px 0 var(--ink)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;transition:none!important}
  .ticker-track{animation:none}
  html{scroll-behavior:auto}
}

/* 页脚第二行：固定页面入口（2026-09-29），字号小一号。 */
.footer-pages{font-size:12.5px;opacity:.85}