/* 到家啦 · 共用版式。颜色和字体在 theme-a.css / theme-b.css */
*{box-sizing:border-box}
html{font-size:19px;-webkit-text-size-adjust:100%}
html.big{font-size:22px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.8;
  padding-bottom:84px;-webkit-font-smoothing:antialiased;font-feature-settings:"palt" 0}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:4px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:680px;margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--bg);padding:8px;z-index:99}
.mono{font-family:"SF Mono",ui-monospace,Menlo,"Roboto Mono","DejaVu Sans Mono",monospace}

/* 页头 */
.top{background:var(--bg);border-bottom:1px solid var(--rule)}
.top .bar{display:flex;align-items:center;justify-content:space-between;min-height:60px}
.mark{font-family:var(--display);font-weight:var(--mark-w);font-size:1.25rem;color:var(--ink);letter-spacing:.06em}
.mark:hover{text-decoration:none}
.fontbtn{background:none;border:0;font:inherit;font-size:.82rem;color:var(--muted);min-height:44px;padding:0 0 0 12px;cursor:pointer}
.nav{display:flex;gap:20px;overflow-x:auto;scrollbar-width:none;margin:0 -22px;padding:0 22px}
.nav::-webkit-scrollbar{display:none}
.nav a{flex:none;color:var(--muted);font-size:.86rem;line-height:44px;border-bottom:2px solid transparent}
.nav a[aria-current]{color:var(--ink);border-bottom-color:var(--ink);font-weight:600}
.nav a:hover{text-decoration:none;color:var(--ink)}

/* 排版 */
main{padding:var(--space-top) 0 24px}
h1{font-family:var(--display);font-weight:var(--h-w);font-size:var(--h1);line-height:1.32;letter-spacing:var(--h-ls);margin:0 0 20px}
h2{font-family:var(--display);font-weight:var(--h-w);font-size:1.3rem;line-height:1.45;margin:0 0 14px;letter-spacing:var(--h-ls)}
h3{font-size:1.05rem;font-weight:600;line-height:1.55;margin:0 0 4px}
p{margin:0 0 14px}
.lead{font-size:1.06rem;color:var(--ink2)}
.meta,.src,.cap{color:var(--muted)}
.meta{font-size:.8rem}
.src{font-size:.74rem;margin:6px 0 0}
.cap{font-size:.78rem;margin:8px 0 0}
section{padding:var(--sec) 0 0}
.rule{border-top:1px solid var(--rule)}
.kicker{display:block;font-size:.76rem;color:var(--muted);letter-spacing:.12em;margin-bottom:10px}
.todo{color:var(--muted);border-bottom:1px dotted var(--muted)}
ul.plain{margin:0 0 14px;padding-left:1.1em}ul.plain li{margin:6px 0}

/* 运费折扣券 */
.code{margin:28px 0 8px;padding:22px 0 18px;border-top:1px solid var(--ink);border-bottom:1px solid var(--rule)}
.code .lbl{font-size:.82rem;color:var(--muted);margin:0 0 2px;letter-spacing:.08em}
.code .row{display:flex;align-items:center;justify-content:space-between;gap:16px}
.code .val{font-size:2.4rem;font-weight:500;letter-spacing:.14em;line-height:1.2;color:var(--ink);user-select:all;-webkit-user-select:all}
.btn{font:inherit;font-size:1rem;font-weight:600;cursor:pointer;border-radius:var(--radius);min-height:52px;padding:0 26px;
  background:var(--accent);color:var(--on-accent);border:1px solid var(--accent);flex:none}
.btn:active{opacity:.85}
.btn.ok{background:var(--ink);border-color:var(--ink)}
.code .how{font-size:.9rem;color:var(--ink2);margin:14px 0 0}
.note{font-size:.92rem;color:var(--ink2);margin:20px 0 0;padding-left:14px;border-left:2px solid var(--accent)}
.note b{color:var(--ink)}

/* 步骤 */
ol.steps{list-style:none;margin:0;padding:0;counter-reset:s}
ol.steps>li{counter-increment:s;display:grid;grid-template-columns:var(--num-w) 1fr;column-gap:8px;padding:20px 0;border-top:1px solid var(--rule)}
ol.steps>li:last-child{border-bottom:1px solid var(--rule)}
ol.steps>li::before{content:counter(s);font-family:var(--num-font);font-size:var(--num-size);line-height:1.2;color:var(--accent);font-weight:var(--num-w8)}
ol.steps>li>*{grid-column:2}
ol.steps p{margin:0 0 6px;color:var(--ink2)}
.sub{margin:16px 0 0}
.sub .t{font-weight:600;color:var(--ink);margin:0 0 10px}
.sub .t code{font-family:"SF Mono",ui-monospace,Menlo,"Roboto Mono","DejaVu Sans Mono",monospace;letter-spacing:.06em}
.shot{max-width:300px;border:1px solid var(--rule);border-radius:var(--img-r);overflow:hidden}

/* 链接列表 */
.links{list-style:none;margin:0;padding:0}
.links li{border-top:1px solid var(--rule)}
.links li:last-child{border-bottom:1px solid var(--rule)}
.links a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:15px 0;color:var(--ink);min-height:56px}
.links a:hover{text-decoration:none;color:var(--accent)}
.links a span small{display:block;font-size:.8rem;color:var(--muted);line-height:1.5;margin-top:2px}
.links a::after{content:"→";color:var(--muted);flex:none}
.more{display:inline-block;margin-top:14px;font-weight:600;min-height:44px;line-height:44px}

/* 求助顺序 */
ol.help{margin:0;padding:0;list-style:none;counter-reset:h}
ol.help li{counter-increment:h;padding:12px 0 12px 34px;position:relative;border-top:1px solid var(--rule)}
ol.help li:last-child{border-bottom:1px solid var(--rule)}
ol.help li::before{content:counter(h);position:absolute;left:0;top:12px;color:var(--accent);font-weight:600;font-family:var(--num-font)}
ol.help li b{display:block;font-weight:600}
ol.help li span{color:var(--ink2);font-size:.92rem}

/* FAQ */
.faq details{border-top:1px solid var(--rule)}
.faq details:last-of-type{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;padding:16px 36px 16px 0;font-weight:600;position:relative;min-height:56px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:4px;top:26px;width:10px;height:10px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(45deg);transition:transform .15s}
.faq details[open] summary::after{transform:rotate(-135deg);top:31px}
.faq .a{padding:0 0 18px;color:var(--ink2)}
.faq .a p:last-of-type{margin-bottom:6px}
.jump{font-size:.86rem;color:var(--muted);margin:0 0 6px}
.jump a{margin-right:14px;display:inline-block;line-height:2}

/* 对比 */
dl.cmp{margin:0}
dl.cmp>div{padding:16px 0;border-top:1px solid var(--rule)}
dl.cmp>div:last-child{border-bottom:1px solid var(--rule)}
dl.cmp dt{font-weight:600;margin-bottom:6px}
dl.cmp dd{margin:0;display:grid;grid-template-columns:5.2em 1fr;gap:8px;font-size:.94rem;color:var(--ink2)}
dl.cmp dd+dd{margin-top:4px}
dl.cmp dd.one{display:block}
dl.cmp dd i{font-style:normal;color:var(--muted);font-size:.84rem;padding-top:2px}
blockquote{margin:0 0 16px;padding:0 0 0 18px;border-left:2px solid var(--ink);font-size:1.04rem}

/* 页脚 */
footer{margin-top:48px;border-top:1px solid var(--rule);padding:24px 0 36px;font-size:.78rem;color:var(--muted)}
footer p{margin:0 0 8px}
footer .fine{margin:16px 0 0;padding-top:12px;border-top:1px solid var(--rule);font-size:.68rem;line-height:1.6;opacity:.85}
footer a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}

/* 底部码条 */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--bg);border-top:1px solid var(--rule);padding:8px 0 calc(8px + env(safe-area-inset-bottom))}
.dock .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px}
.dock .t{font-size:.8rem;color:var(--muted);line-height:1.3}
.dock .t b{font-size:1.2rem;color:var(--ink);font-weight:500;letter-spacing:.12em;margin-left:8px}
.dock .btn{min-height:46px;padding:0 22px;font-size:.92rem}
/* v19 R03：提示可以换行、不超出屏幕 */
.toast{position:fixed;left:50%;bottom:calc(76px + env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:8px;font-size:.88rem;line-height:1.5;z-index:50;display:none;width:max-content;max-width:calc(100vw - 32px);white-space:normal;overflow-wrap:anywhere;text-align:center;box-sizing:border-box}

@media (min-width:760px){
  .top .bar{min-height:68px}
  .top .wrap{display:flex;align-items:center;justify-content:space-between}
  .nav{margin:0;padding:0}
}
h2 .no{display:none}
.masthead{display:none}

/* ---------- 图片 ---------- */
:root{--tint:rgba(0,0,0,.035);--ph:#ECECEA}
.photo{display:block;width:100%;overflow:hidden;background:var(--ph);border-radius:var(--img-r)}
.photo img{width:100%;height:100%;object-fit:cover}
.photo.ph{display:flex;align-items:flex-end;justify-content:flex-start}
.photo.ph span{font-size:.7rem;color:var(--muted);padding:10px 12px;letter-spacing:.04em}
.photo.hero{margin:0 -22px 26px;width:calc(100% + 44px);border-radius:0}
main{padding-top:0}
main .wrap>h1:first-child{margin-top:var(--space-top)}
.photo.wide{margin:18px 0 6px}
.app{display:block}
.app img{width:100%;border:1px solid var(--rule);border-radius:var(--img-r)}

/* 首页步骤：文字 + 右侧截图 */
ol.steps.thumbs>li{grid-template-columns:var(--num-w) 1fr 108px;align-items:start}
ol.steps.thumbs>li>div{grid-column:2}
ol.steps.thumbs>li>.app{grid-column:3;grid-row:1}
ol.steps.thumbs>li::before{grid-row:1}

/* 教程截图 */
.shotfig{margin:14px 0 4px;max-width:300px}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0 0}
.pair .shotfig{margin:0;max-width:none}

/* 流程图 */
.flow{margin:6px 0 0;display:grid;grid-template-columns:1fr 18px 1fr 18px 1fr;align-items:start;text-align:center}
.flow .node{display:flex;flex-direction:column;align-items:center;gap:6px}
.flow .ic{color:var(--accent);width:52px;height:52px;padding:6px;border-radius:50%;background:var(--tint)}
.flow b{font-size:.9rem;font-weight:600;line-height:1.35}
.flow span{font-size:.74rem;color:var(--muted);line-height:1.4}
.flow .arrow{height:52px;position:relative}
.flow .arrow::after{content:"";position:absolute;left:0;right:0;top:26px;border-top:1px solid var(--muted)}
.flow .arrow::before{content:"";position:absolute;right:0;top:22px;width:7px;height:7px;border-top:1px solid var(--muted);border-right:1px solid var(--muted);transform:rotate(45deg)}

/* 文章卡片 */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:20px 14px}
.card{display:block;color:var(--ink)}
.card:hover{text-decoration:none}
.card .photo{margin-bottom:10px}
.card b{display:block;font-weight:600;font-size:.95rem;line-height:1.45}
.card span{display:block;font-size:.78rem;color:var(--muted);line-height:1.5;margin-top:2px}

/* FAQ 分组 */
.fgroup{margin-top:34px}
.fgroup:first-child{margin-top:18px}
h2.gh{display:flex;align-items:center;gap:10px;font-size:1.15rem;margin:0 0 6px}
h2.gh .ic{color:var(--accent)}
.diagram{margin:10px 0 14px;max-width:320px;color:var(--ink2)}
.diagram svg{width:100%;height:auto;display:block}
.formula{font-weight:600;color:var(--ink);font-size:.95rem;margin-top:4px}

/* 时效条 */
.bars{margin:6px 0 22px}
.tb{margin:0 0 14px}
.tb p{display:flex;justify-content:space-between;gap:10px;margin:0 0 6px;font-size:.88rem}
.tb p span{color:var(--muted);text-align:right}
.track{height:10px;background:var(--tint);border-radius:5px;position:relative;overflow:hidden}
.track i{position:absolute;left:0;top:0;bottom:0;border-radius:5px}
.track i.me{background:var(--muted)}
.track i.us{background:var(--accent);opacity:.3}
.track i.lo{background:var(--accent)}

@media (min-width:760px){
  .photo.hero{margin:0 0 30px;width:100%;border-radius:var(--img-r)}
  main .wrap>.photo.hero:first-child{margin-top:32px}
  ol.steps.thumbs>li{grid-template-columns:var(--num-w) 1fr 150px}
  .cards{grid-template-columns:1fr 1fr 1fr 1fr}
}
ol.steps.thumbs .app img{height:190px;object-fit:cover;object-position:top}
ol.steps.thumbs .app.bottom img{object-position:bottom}

/* ---------- 10/20 上手指南版 ---------- */
.top .bar .right{display:flex;align-items:center;gap:18px}
.top .nav{margin:0;padding:0;overflow:visible}
.top .nav a{line-height:44px;border-bottom:0}
.top .nav a[aria-current]{border-bottom:0}
@media (min-width:760px){.top .wrap{display:block}}

/* 目录 */
.toc{display:flex;flex-wrap:wrap;gap:4px 18px;margin:22px 0 0;font-size:.86rem}
.toc a{line-height:2.1}

/* 为什么选菜鸟 */
ol.why{list-style:none;margin:6px 0 0;padding:0}
ol.why>li{padding:22px 0;border-top:1px solid var(--rule)}
ol.why h3{font-size:1.2rem;display:flex;align-items:baseline;gap:10px;margin-bottom:8px}
ol.why h3 .n{font-size:.9rem;color:var(--accent);font-weight:600;min-width:1em}
ol.why p{color:var(--ink2)}
ol.why .bars{margin:14px 0 8px}
ol.why>li.ours{border-top:1px solid var(--ink)}
ol.why>li.ours .kicker{color:var(--accent);margin-bottom:4px}
ol.why .more{margin-top:4px}
.shotfig.wide{max-width:420px}

/* 码行（无说明） */
.code.slim{margin:14px 0 6px;padding:14px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.code.slim .val{font-size:2rem}

/* 指南步骤 */
ol.steps.guide>li{scroll-margin-top:12px}
ol.steps.guide>li h3{font-size:1.12rem;margin-bottom:8px}
ol.steps.guide>li.key{border-top:2px solid var(--accent)}
ol.steps.guide>li.key::before{font-size:1.5rem}
ol.steps.guide>li.key h3{color:var(--accent);font-size:1.3rem}
ol.steps.guide .shotfig{max-width:260px}
ol.steps.guide .pair .shotfig{max-width:none}
section[id]{scroll-margin-top:12px}

/* 常见的坑 */
ul.pits{list-style:none;margin:0;padding:0}
ul.pits li{padding:12px 0;border-top:1px solid var(--rule)}
ul.pits li:last-child{border-bottom:1px solid var(--rule)}
ul.pits b{display:block;font-weight:600}
ul.pits span{color:var(--ink2);font-size:.94rem}

.flinks a{margin-right:16px;display:inline-block;line-height:2}

/* ---------- 首页首屏 hero（10/20，CONFIG["HERO"]） ---------- */
.hero{--gut:22px;padding:0}
.hero h1{margin:0;font-size:2.05rem;line-height:1.24;letter-spacing:-.02em;font-weight:700}
.hero .eyebrow{font-size:.76rem;letter-spacing:.08em;margin:0 0 12px;font-weight:500}
.hero .lead{margin:0;font-size:.98rem;line-height:1.7}
.hcode .lbl{font-size:.76rem;letter-spacing:.12em;margin:0 0 2px;color:var(--muted)}
.hcode .row{display:flex;align-items:center;justify-content:space-between;gap:16px}
.hcode .val{font-size:2.3rem;font-weight:500;letter-spacing:.14em;line-height:1.2;color:var(--ink);user-select:all;-webkit-user-select:all}
.hcode .how{font-size:.84rem;color:var(--ink2);margin:8px 0 0;line-height:1.6}
.trust{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.trust li{display:flex;flex-direction:column;gap:8px;font-size:.74rem;line-height:1.5;color:var(--ink2)}
.trust li b{font-weight:600;color:var(--ink)}
.trust .ic{color:var(--accent);width:26px;height:26px;flex:none}
body.has-hero main .wrap>.toc:first-child{margin-top:26px}

/* 方案 1：满版照片 */
.hero-photo{display:grid;grid-template-columns:var(--gut) minmax(0,1fr) var(--gut)}
.hero-photo .hbg,.hero-photo .scrim{grid-column:1/-1;grid-row:1}
.hero-photo .hbg{position:relative;height:min(92vw,356px);overflow:hidden;background:#3a3833}
.hero-photo .hbg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:25% 46%}
.hero-photo .scrim{position:relative;background:linear-gradient(180deg,rgba(12,13,15,.62) 0%,rgba(12,13,15,.4) 30%,rgba(12,13,15,0) 52%)}
.hero-photo .hcopy{grid-column:2;grid-row:1;align-self:start;padding-top:26px;color:#fff;position:relative}
.hero-photo .eyebrow{color:rgba(255,255,255,.8)}
.hero-photo h1{color:#fff}
.hero-photo .lead{grid-column:2;grid-row:2;color:var(--ink2);padding:16px 0 0}
.hero-photo .hcode{grid-column:2;grid-row:3;padding:16px 0 16px;margin-top:16px;border-top:1px solid var(--ink);border-bottom:1px solid var(--rule)}
.hero-photo .trust{grid-column:2;grid-row:4;padding:16px 0 2px}

/* 方案 2：白底 + App 截图 */
.hero-product .hx{padding:28px var(--gut) 0;display:grid;grid-template-columns:minmax(0,1fr)}
.hero-product .eyebrow{color:var(--accent)}
.hero-product h1{color:var(--ink)}
.hero-product .lead{color:var(--ink2);margin-top:14px}
.hero-product .hcode{margin-top:20px;padding-top:14px;border-top:1px solid var(--ink)}
.hvis{position:relative;margin:22px 0 0;height:300px;overflow:hidden;border-radius:var(--img-r);background:#F2F2EF;
  display:grid;grid-template-columns:minmax(0,1fr) 150px;grid-template-rows:1fr auto;column-gap:12px;padding:22px 18px 0 18px}
.hvis .panel{display:none}
.hvis .trust{grid-column:1;grid-row:1;grid-template-columns:1fr;gap:14px;align-content:start}
.hvis .trust li{flex-direction:row;align-items:flex-start;gap:10px}
.hvis .trust .ic{width:24px;height:24px}
.hvis .phone{grid-column:2;grid-row:1/3;width:150px;filter:drop-shadow(0 18px 28px rgba(17,17,17,.16)) drop-shadow(0 3px 8px rgba(17,17,17,.08))}
.hvis .phone img{width:100%;height:auto}
.hvis figcaption{grid-column:1;grid-row:2;padding:0 0 16px;font-size:.66rem;line-height:1.5;color:var(--muted)}
.hero-product .tr-d{display:none}

@media (min-width:960px){
  body.has-hero .top .wrap{max-width:1120px;padding:0 40px}
  .hero{--gut:40px}
  .hero h1{font-size:3.1rem;line-height:1.16}
  .hero .lead{font-size:1.02rem;max-width:30em}
  .trust{gap:28px}
  .trust li{flex-direction:row;align-items:flex-start;gap:12px;font-size:.84rem}
  .trust .ic{width:30px;height:30px}

  .hero-photo{grid-template-columns:minmax(40px,1fr) minmax(0,1040px) minmax(40px,1fr);grid-template-rows:auto auto 1fr auto}
  .hero-photo .hbg,.hero-photo .scrim{grid-row:1/4}
  .hero-photo .hbg{height:auto;min-height:580px}
  .hero-photo .hbg img{inset:auto;left:0;top:50%;width:118%;max-width:none;height:auto;transform:translateY(-56%) scaleX(-1)}
  .hero-photo .scrim{background:linear-gradient(90deg,rgba(12,13,15,.66) 0%,rgba(12,13,15,.56) 32%,rgba(12,13,15,.18) 52%,rgba(12,13,15,0) 64%),linear-gradient(0deg,rgba(12,13,15,.3) 0%,rgba(12,13,15,0) 40%)}
  .hero-photo .hcode .how,.hero-photo .lead,.hero-photo h1,.hero-photo .eyebrow{text-shadow:0 1px 12px rgba(0,0,0,.28)}
  .hero-photo .hcopy{padding-top:88px;max-width:560px}
  .hero-photo .lead{grid-row:2;color:rgba(255,255,255,.9);padding:20px 0 0;position:relative;max-width:27em}
  .hero-photo .hcode{grid-row:3;align-self:end;width:480px;margin:34px 0 64px;padding:16px 0 0;border-top:1px solid rgba(255,255,255,.4);border-bottom:0;position:relative}
  .hero-photo .hcode .lbl{color:rgba(255,255,255,.74)}
  .hero-photo .hcode .val{color:#fff}
  .hero-photo .hcode .how{color:rgba(255,255,255,.88)}
  .hero-photo .trust{grid-row:4;padding:24px 0 24px;border-bottom:1px solid var(--rule)}

  .hero-product .hx{max-width:1120px;margin:0 auto;padding:56px 40px 0;grid-template-columns:minmax(0,1fr) 460px;column-gap:72px}
  .hero-product .hcopy{grid-column:1;grid-row:1;align-self:center;max-width:600px}
  .hero-product .tr-d{gap:20px}
  .hero-product .tr-d li{font-size:.8rem}
  .hero-product .hcode{max-width:440px}
  .hvis{grid-column:2;grid-row:1;margin:0;height:590px;overflow:visible;border-radius:0;background:none;display:block;padding:0}
  .hvis .panel{display:block;position:absolute;left:0;right:0;top:70px;bottom:34px;background:#F2F2EF;border-radius:var(--img-r)}
  .hvis .phone{position:absolute;width:250px;left:50%;top:0;transform:translateX(-50%)}
  .hvis .tr-m{display:none}
  .hvis figcaption{position:absolute;left:0;width:100%;bottom:0;padding:0;text-align:center;font-size:.72rem}
  .hero-product .tr-d{display:grid;margin-top:44px;padding-top:22px;border-top:1px solid var(--rule)}
}
.dock{transition:transform .2s ease}.dock.away{transform:translateY(110%)}
.point{font-size:1.02rem;line-height:1.6;font-weight:600;color:var(--ink)!important;margin-bottom:8px}