/* ============ 品牌变量 ============ */
@font-face{
  font-family:"Nunito";
  src:url("fonts/nunito-latin.woff2") format("woff2");
  font-weight:700 900;
  font-style:normal;
  font-display:swap;
}
:root{
  --background:#fff9f1; --foreground:#201c30; --card:#fff;
  --primary:#201c30; --primary-foreground:#fff;
  --secondary:#f7efe3; --muted:#f7efe3; --muted-foreground:#6c6579;
  --border:#eee3d3; --accent:#f3e9da;
  --coral:#ff5b3d; --coral-strong:#d23a1c; --coral-shade:#a62a10; --on-coral:#fff;
  --sun:#ffc93e; --mint:#d8f3e5; --lilac:#ece5ff; --sky:#dcefff;
  --butter:#fff0c2; --peach:#ffe4d6; --leaf:#e3f5cf; --slate:#eeedf2;
  --edge:#201c30; --edge-shadow:#201c30;
  --header-surface:rgba(255,249,241,.86);
  --radius-card:24px; --radius-control:14px;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-round:"Nunito",-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}
/* 商品主题色 */
.tone-chatgpt{--tone:var(--mint);--tone-ink:#13804f}
.tone-gemini{--tone:var(--lilac);--tone-ink:#6b5cff}
.tone-duolingo{--tone:var(--leaf);--tone-ink:#3a8a00}
.tone-outlook{--tone:var(--sky);--tone-ink:#096cab}
.tone-muse{--tone:var(--peach);--tone-ink:#c1573a}
.tone-claude{--tone:var(--peach);--tone-ink:#c1573a}
.tone-x{--tone:var(--slate);--tone-ink:#201c30}
.tone-ask{--tone:var(--butter);--tone-ink:#d23a1c}

/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--background);color:var(--foreground);
  font-family:var(--font-sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background-color .25s var(--ease),color .25s var(--ease);
}
body.is-locked{overflow:hidden}
h1,h2,h3,p,ul,figure{margin:0}
ul{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img{display:block;max-width:100%;height:auto}
:focus-visible{outline:3px solid var(--coral);outline-offset:3px;border-radius:6px}
.page-width{width:min(1200px,100% - 64px);margin-inline:auto}
#catalog,#steps,#support,#main-content{scroll-margin-top:96px}
.skip-link{position:absolute;left:-999px;top:0;z-index:99;background:var(--card);padding:10px 16px;border-radius:8px}
.skip-link:focus{left:12px;top:12px}
.latin{font-family:var(--font-round)}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:30;height:76px;
  background:var(--header-surface);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:0 6px 24px -18px rgba(32,28,48,.5)}
.header-inner{display:flex;align-items:center;gap:28px;height:100%;width:min(1200px,100% - 64px);margin:auto}
.brand{display:flex;align-items:center;flex-shrink:0;gap:9px}
.brand-lockup{height:36px;width:auto}
.brand-dark{display:none;align-items:center;gap:8px}
.brand-dark .mark{height:34px;width:auto}
.brand-dark .word{height:23px;width:auto}
/* dark: prefer brand-dark; else invert lockup so logo never vanishes */
.site-nav{display:flex;align-items:center;gap:4px;margin-right:auto}
.nav-link{
  display:inline-flex;align-items:center;min-height:38px;padding:0 14px;border-radius:999px;
  font-size:14px;font-weight:650;color:var(--muted-foreground);
  transition:background-color .15s,color .15s;
}
.nav-link:hover{background:color-mix(in srgb,var(--foreground) 7%,transparent);color:var(--foreground)}
.nav-link.is-selected{background:var(--primary);color:var(--primary-foreground)}
.header-actions{display:flex;align-items:center;gap:8px}
.icon-button{
  display:grid;place-items:center;width:36px;height:36px;border-radius:12px;
  color:var(--muted-foreground);transition:background-color .15s,color .15s;
}
.icon-button:hover{background:color-mix(in srgb,var(--foreground) 7%,transparent);color:var(--foreground)}
.icon-button .sun{display:none}

/* 胶囊按钮 */
.pill-button{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:999px;
  font-size:14.5px;font-weight:800;white-space:nowrap;flex-shrink:0;
  transition:transform .15s var(--ease),box-shadow .15s var(--ease),background-color .15s;
}
.pill-button.is-small{height:38px;padding:0 16px;font-size:13.5px}
.pill-button.is-coral{background:var(--coral);color:var(--on-coral);box-shadow:0 4px 0 var(--edge-shadow)}
.pill-button.is-coral:hover{transform:translateY(-1px);box-shadow:0 5px 0 var(--edge-shadow)}
.pill-button.is-coral:active{transform:translateY(2px);box-shadow:0 1px 0 var(--edge-shadow)}
.pill-button.is-soft{background:var(--card);color:var(--foreground);box-shadow:inset 0 0 0 2px var(--border)}
.pill-button.is-soft:hover{box-shadow:inset 0 0 0 2px var(--edge)}
.pill-button.is-ink{background:var(--primary);color:var(--primary-foreground)}
.pill-button.is-block{width:100%}

/* ============ 首屏 ============ */
.home-hero{
  display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:40px;
  padding-block:44px 36px;
}
.hero-copy>*+*{margin-top:20px}
.hero-hi{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px 6px 7px;
  background:var(--card);border-radius:999px;box-shadow:inset 0 0 0 2px var(--border);
  font-size:13.5px;font-weight:700;color:var(--muted-foreground);
}
.hero-hi i{
  display:grid;place-items:center;width:26px;height:26px;border-radius:50%;
  background:var(--sun);color:#201c30;font-family:var(--font-round);font-size:13px;font-style:normal;font-weight:900;
}
h1.hero-title{
  font-size:clamp(36px,4.8vw,62px);line-height:1.14;font-weight:900;
  letter-spacing:-.02em;margin-top:18px;
}
h1.hero-title .latin{display:block;color:var(--coral);font-size:.92em}
.hero-mark{position:relative;white-space:nowrap}
.hero-mark svg{position:absolute;left:-2%;bottom:-.14em;width:104%;height:.34em;color:var(--sun);overflow:visible;z-index:-1}
.hero-lead{max-width:30em;color:var(--muted-foreground);font-size:17px;line-height:1.7}
.hero-search{
  display:flex;align-items:center;gap:10px;height:58px;padding-left:18px;max-width:520px;
  background:var(--card);border-radius:999px;color:var(--muted-foreground);
  box-shadow:inset 0 0 0 2px var(--edge),0 5px 0 var(--edge-shadow);
  transition:box-shadow .2s;
}
.hero-search:focus-within{box-shadow:inset 0 0 0 2px var(--edge),0 5px 0 var(--edge-shadow),0 0 0 5px color-mix(in srgb,var(--coral) 25%,transparent)}
.hero-search svg{flex-shrink:0}
.hero-search input{
  flex:1;min-width:0;height:100%;border:0;background:none;outline:0;
  font:inherit;font-size:15.5px;color:var(--foreground);
}
.hero-search input::placeholder{color:color-mix(in srgb,var(--muted-foreground) 78%,var(--card))}
.hero-search button{
  display:grid;place-items:center;width:44px;height:44px;margin-right:7px;flex-shrink:0;
  border-radius:50%;background:var(--coral);color:var(--on-coral);
  transition:transform .15s var(--ease);
}
.hero-search button:hover{transform:translateX(2px)}

/* 快捷入口 */
.hero-quick{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 10px;max-width:420px;margin-top:24px}
.quick-item{
  position:relative;white-space:nowrap;
  display:inline-flex;align-items:center;gap:8px;padding:7px 13px 7px 8px;
  background:var(--card);border-radius:999px;box-shadow:inset 0 0 0 1.5px var(--border);
  font-size:13px;font-weight:700;transition:box-shadow .15s,transform .15s;
}
.quick-item:hover{box-shadow:inset 0 0 0 1.5px var(--edge);transform:translateY(-1px)}
.quick-dot{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:var(--tone);color:var(--tone-ink)}
.quick-dot svg{width:14px;height:14px}
.quick-item b{font-family:var(--font-round);font-weight:900;margin-left:auto}
.quick-item em{font-style:normal;color:var(--coral-strong);font-weight:800;margin-left:-4px}

/* 首屏插画 */
.hero-art{position:relative;display:grid;place-items:center;min-height:440px}
.blob{position:absolute;border-radius:50%;filter:blur(2px)}
.blob-sun{width:min(78%,380px);aspect-ratio:1;background:var(--sun);opacity:.55}
.blob-mint{width:150px;height:150px;background:var(--mint);left:0;top:8%;opacity:.9}
.blob-sky{width:110px;height:110px;background:var(--sky);right:2%;bottom:6%}
.hero-art .mascot{
  position:relative;width:min(88%,430px);height:auto;
  filter:drop-shadow(0 24px 28px rgba(32,28,48,.18));
  animation:float 6s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.float-card{
  position:absolute;display:flex;align-items:center;gap:10px;
  padding:11px 15px;border-radius:20px;background:var(--card);
  box-shadow:0 5px 0 var(--edge-shadow);border:2px solid var(--edge);
  font-size:13px;font-weight:800;white-space:nowrap;
  animation:float 7s ease-in-out infinite;
}
.float-card .fc-dot{display:grid;place-items:center;width:28px;height:28px;border-radius:10px;background:var(--tone);color:var(--tone-ink)}
.float-card .fc-dot svg{width:16px;height:16px}
.float-card b{font-family:var(--font-round);font-weight:900;color:var(--coral-strong)}
.fc-a{left:2%;top:16%}
.fc-b{right:0;bottom:20%;animation-delay:-2.5s}
.float-badge{
  position:absolute;left:10%;bottom:12%;display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:999px;background:var(--coral);color:#fff;
  font-size:12.5px;font-weight:800;transform:rotate(-4deg);
  box-shadow:0 4px 0 var(--coral-shade);
}
.spark{position:absolute;color:var(--coral);font-size:22px;opacity:.85}
.spark-a{right:14%;top:8%}
.spark-b{right:4%;top:34%;font-size:15px}
.spark-c{left:6%;bottom:34%;font-size:13px;color:var(--sun)}

/* ============ 版块通用 ============ */
.home-block{padding-block:64px 0}
.home-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px}
.home-head h2{font-size:clamp(28px,3.4vw,42px);font-weight:900;letter-spacing:-.02em;line-height:1.2}
.home-head h2 .mark{color:var(--coral)}
.home-head p{color:var(--muted-foreground);font-size:15px;margin-top:6px}
.home-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.chip{
  min-height:40px;padding:0 17px;border-radius:999px;background:var(--card);
  box-shadow:inset 0 0 0 2px var(--border);color:var(--muted-foreground);
  font-size:13.5px;font-weight:700;transition:box-shadow .15s,color .15s,background-color .15s;
}
.chip:hover{color:var(--foreground);box-shadow:inset 0 0 0 2px var(--edge)}
.chip[aria-pressed="true"]{background:var(--coral);color:var(--on-coral);box-shadow:none}

/* ============ 商品网格 ============ */
.home-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.tile-cell{display:flex;min-width:0}
.tile-cell.is-wide{grid-column:span 2}
.home-tile{
  position:relative;
  display:flex;flex-direction:column;gap:16px;flex:1;min-width:0;padding:24px;
  background:var(--tone);border-radius:28px;text-align:left;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.home-tile:hover{transform:translateY(-4px) rotate(-.35deg)}
.home-tile:has(.tile-cover:focus-visible){outline:3px solid var(--coral);outline-offset:4px}
.tile-cover{position:absolute;inset:0;z-index:1;border-radius:inherit}
.tile-cover:focus-visible{outline:none}
.tile-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.tile-logo{
  display:grid;place-items:center;width:58px;height:58px;flex-shrink:0;
  border-radius:20px;background:var(--card);color:var(--tone-ink);
  box-shadow:0 8px 20px -10px rgba(32,28,48,.35);
}
.tile-logo svg{width:28px;height:28px}
.tile-sticker{
  display:inline-flex;align-items:center;gap:4px;
  padding:5px 11px;border-radius:999px;background:var(--card);
  font-size:12px;font-weight:800;text-align:center;transform:rotate(3deg);
  box-shadow:0 3px rgba(32,28,48,.12);
}
.tile-badges{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.tile-title{font-size:23px;font-weight:900;letter-spacing:-.012em;line-height:1.3}
.tile-spec{display:block;margin-top:4px;font-size:13.5px;color:var(--muted-foreground);line-height:1.6}
.tile-plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.tile-plans li{
  min-width:0;padding:11px 13px;border-radius:16px;
  background:color-mix(in srgb,var(--card) 78%,transparent);
  transition:background-color .15s,transform .15s;
}
.tile-plans b{display:block;font-size:12.5px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile-plans span{display:block;margin-top:3px;font-family:var(--font-round);font-size:14.5px;font-weight:900}
.tile-plans small{font-family:var(--font-sans);font-size:11px;font-weight:600;color:var(--muted-foreground)}
.tile-plans li.is-off{background:color-mix(in srgb,var(--card) 40%,transparent);color:var(--muted-foreground)}
.tile-plans li.is-off b,.tile-plans li.is-off span{color:var(--muted-foreground);font-weight:700}
.tile-plans li.is-span2{grid-column:span 2}
.tile-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:2px}
.tile-price{font-family:var(--font-round);font-size:29px;font-weight:900;line-height:1;white-space:nowrap}
.tile-price small{font-family:var(--font-sans);font-size:12px;font-weight:700;color:var(--muted-foreground);margin-left:3px}
.tile-cta{
  display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 16px;
  border-radius:999px;background:var(--primary);color:var(--primary-foreground);
  font-size:13px;font-weight:800;white-space:nowrap;
  transition:transform .15s var(--ease),background-color .15s;
}
.tile-cta:hover{transform:translateX(2px)}
.tile-cta svg{width:14px;height:14px}
.tile-ask{justify-content:space-between}
.tile-ask .tile-title{font-size:23px}
.tile-ask .tile-arrow{background:var(--coral);color:var(--on-coral)}
.tile-arrow{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--primary);color:var(--primary-foreground);flex-shrink:0}

/* 空状态 */
.empty-state{
  display:none;padding:56px 24px;text-align:center;border-radius:26px;
  background:var(--card);box-shadow:inset 0 0 0 2px var(--border);
}
.empty-state.is-on{display:block}
.empty-state strong{display:block;font-size:18px;font-weight:800;margin-bottom:6px}
.empty-state p{color:var(--muted-foreground);font-size:14px;margin-bottom:18px}

/* ============ 四步流程 ============ */
.home-steps{padding-block:78px 0}
.steps-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:30px}
.step{
  padding:22px 20px 24px;border-radius:24px;background:var(--card);
  box-shadow:inset 0 0 0 2px var(--border);text-align:center;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:inset 0 0 0 2px var(--border),0 10px 24px -18px rgba(32,28,48,.6)}
.step-number{
  display:grid;place-items:center;width:56px;height:56px;margin:0 auto 14px;
  border-radius:20px;background:var(--sun);color:#201c30;
  border:2px solid var(--edge);box-shadow:0 4px 0 var(--edge-shadow);
  font-family:var(--font-round);font-size:24px;font-weight:900;
}
.step h3{font-size:16px;font-weight:800;margin-bottom:6px}
.step p{font-size:13px;color:var(--muted-foreground);line-height:1.6}

/* ============ 客服区 ============ */
.home-support{padding-block:78px 0}
.support-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
  padding:34px;border-radius:30px;background:var(--secondary);
  box-shadow:inset 0 0 0 2px var(--border);
}
.support-copy h2{font-size:clamp(26px,3vw,36px);font-weight:900;letter-spacing:-.02em;line-height:1.25}
.support-copy p{color:var(--muted-foreground);font-size:14.5px;line-height:1.7;margin-top:10px;max-width:32em}
.support-list{display:grid;gap:10px;margin-top:22px}
.contact-row{
  display:flex;align-items:center;gap:12px;padding:10px 14px;
  background:var(--card);border-radius:16px;box-shadow:inset 0 0 0 1.5px var(--border);
}
.contact-icon{
  display:grid;place-items:center;width:36px;height:36px;flex-shrink:0;
  border-radius:12px;background:var(--tone);color:var(--tone-ink);
}
.contact-icon svg{width:18px;height:18px}
.contact-text{min-width:0;flex:1}
.contact-text b{display:block;font-size:12px;color:var(--muted-foreground);font-weight:700;line-height:1.3}
.contact-text span{display:block;font-family:var(--font-round);font-size:15px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.contact-text span.is-empty{color:var(--muted-foreground);font-family:var(--font-sans);font-weight:600;font-size:13.5px}
.copy-btn{
  display:inline-flex;align-items:center;gap:4px;height:30px;padding:0 11px;flex-shrink:0;
  border-radius:999px;background:var(--muted);color:var(--muted-foreground);
  font-size:12px;font-weight:800;transition:background-color .15s,color .15s;
}
.copy-btn:hover{background:var(--primary);color:var(--primary-foreground)}
.qr-grid{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.qr-card{
  width:180px;padding:14px;border-radius:22px;background:var(--card);text-align:center;
  box-shadow:inset 0 0 0 2px var(--border);
}
.qr-slot{
  position:relative;display:grid;place-items:center;width:100%;aspect-ratio:1;
  border-radius:14px;background:var(--muted);overflow:hidden;
}
.qr-slot img{width:100%;height:100%;object-fit:contain;position:relative;z-index:2}
.qr-slot .qr-empty{
  position:absolute;inset:0;display:grid;place-items:center;padding:12px;
  border:2px dashed var(--border);border-radius:14px;
  font-size:11.5px;line-height:1.5;color:var(--muted-foreground);text-align:center;
}
.qr-slot.has-img .qr-empty,.qr-slot:has(img) .qr-empty{display:none}
.qr-card b{display:block;margin-top:9px;font-size:13px;font-weight:800}
.qr-card small{display:block;font-size:11px;color:var(--muted-foreground)}

/* ============ 页脚 ============ */
.site-footer{margin-top:88px;border-top:1px solid var(--border);padding-top:36px}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:28px;padding-bottom:44px}
.footer-intro{max-width:320px}
.footer-intro .brand-lockup{height:30px;width:auto;margin-bottom:12px}
.footer-intro .brand-dark{margin-bottom:12px}
.footer-intro .brand-dark .mark{height:28px}
.footer-intro .brand-dark .word{height:19px}
.footer-intro p{font-size:13px;color:var(--muted-foreground);line-height:1.7}
.footer-nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-nav a,.footer-nav button{font-size:13.5px;font-weight:700;color:var(--muted-foreground);transition:color .15s}
.footer-nav a:hover,.footer-nav button:hover{color:var(--foreground)}
.footer-nav button{padding:0;line-height:inherit;vertical-align:baseline}
.footer-legal{max-width:420px}
.footer-legal b{display:block;font-size:13px;font-weight:800;margin-bottom:6px}
.footer-legal p{font-size:12.5px;color:var(--muted-foreground);line-height:1.7}
.footer-meta{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-block:16px 28px;border-top:1px solid var(--border);
  font-size:12.5px;color:var(--muted-foreground);
}

/* 悬浮客服 */
.float-support{
  position:fixed;right:22px;bottom:22px;z-index:25;
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 20px;
  border-radius:999px;background:var(--primary);color:var(--primary-foreground);
  font-size:14px;font-weight:800;box-shadow:0 6px 0 var(--edge-shadow);
  transition:transform .15s var(--ease),box-shadow .15s var(--ease);
}
.float-support:hover{transform:translateY(-2px);box-shadow:0 8px 0 var(--edge-shadow)}
.float-support svg{width:18px;height:18px}

/* ============ 弹窗 ============ */
dialog{
  width:min(520px,calc(100% - 32px));padding:0;border:0;border-radius:26px;
  background:var(--card);color:var(--foreground);
  box-shadow:0 30px 80px -30px rgba(20,16,32,.55);
  max-height:min(86vh,760px);overflow:auto;
}
dialog::backdrop{background:rgba(20,16,32,.45);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
dialog[open]{animation:pop .22s var(--ease)}
dialog:focus{outline:none}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}
.dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:24px 24px 0}
.dialog-head h2{font-size:22px;font-weight:900;letter-spacing:-.01em}
.dialog-head p{font-size:13px;color:var(--muted-foreground);margin-top:4px;line-height:1.6}
.dialog-close{
  display:grid;place-items:center;width:34px;height:34px;flex-shrink:0;
  border-radius:12px;background:var(--muted);color:var(--muted-foreground);
}
.dialog-close:hover{background:var(--border);color:var(--foreground)}
.dialog-body{padding:18px 24px 24px}
.context-chip{
  display:none;align-items:center;gap:8px;margin-bottom:16px;padding:10px 14px;
  border-radius:14px;background:var(--secondary);font-size:13px;font-weight:700;
}
.context-chip.is-on{display:flex}
.context-chip span{color:var(--muted-foreground);font-weight:600}
dialog .support-list{margin-top:0}
.qr-row{display:flex;gap:12px;margin-top:16px;justify-content:center}
.qr-row .qr-card{flex:1;width:auto;max-width:210px;padding:12px}
.pl{display:block}
.dialog-note{
  margin-top:16px;padding:12px 14px;border-radius:14px;
  background:var(--secondary);font-size:12px;line-height:1.65;color:var(--muted-foreground);
}
.faq-list{display:grid;gap:8px}
.faq-list details{border-radius:16px;background:var(--secondary);overflow:hidden}
.faq-list summary{
  padding:14px 16px;font-size:14px;font-weight:800;cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-size:18px;color:var(--coral-strong);font-weight:800}
.faq-list details[open] summary::after{content:"−"}
.faq-list p{padding:0 16px 16px;font-size:13px;line-height:1.7;color:var(--muted-foreground)}

/* 提示条 */
.toast{
  position:fixed;left:50%;bottom:32px;z-index:60;transform:translate(-50%,20px);
  padding:11px 20px;border-radius:999px;background:var(--primary);color:var(--primary-foreground);
  font-size:13.5px;font-weight:700;opacity:0;pointer-events:none;
  transition:opacity .2s,transform .2s var(--ease);
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

/* ============ 动效 ============ */
.reveal{transition:opacity .5s var(--ease),transform .5s var(--ease)}
.js-reveal .reveal{opacity:0;transform:translateY(16px)}
.js-reveal .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .home-hero{grid-template-columns:1fr;gap:24px;padding-block:28px 32px}
  .hero-art{order:-1;min-height:330px;width:100%;max-width:620px;margin-inline:auto}
  .hero-art .mascot{width:min(64%,320px)}
  .blob-sun{width:min(52%,270px)}
  .fc-a{left:0;top:10%}
  .fc-b{right:0;bottom:14%}
  .float-badge{left:2%;bottom:2%}
  .home-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tile-cell.is-wide{grid-column:span 2}
  .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .support-panel{grid-template-columns:1fr;gap:26px;padding:26px}
}
@media (max-width:900px){
  .float-card,.float-badge{display:none}
  .hero-art{min-height:270px;max-width:460px}
  .hero-art .mascot{width:min(72%,250px)}
  .blob-sun{width:min(58%,210px)}
}
@media (max-width:860px){
  .site-nav{display:none}
  .header-inner,.page-width{width:min(1200px,100% - 40px)}
  .brand-lockup{height:31px}
  .brand-dark .mark{height:29px}
  .brand-dark .word{height:20px}
  .header-actions{margin-left:auto}
}
@media (max-width:640px){
  .site-header{height:64px}
  .home-block,.home-steps,.home-support{padding-block:64px 0}
  .site-footer{margin-top:64px}
  h1.hero-title{font-size:clamp(32px,9vw,42px)}
  .hero-lead{font-size:15.5px}
  .hero-search{height:54px}
  .quick-item{font-size:12px;padding:6px 10px 6px 6px;gap:6px}
  .quick-dot{width:20px;height:20px;border-radius:7px}
  .quick-dot svg{width:12px;height:12px}
  .quick-item em{font-size:11px}
  .home-grid{grid-template-columns:1fr;gap:14px}
  .tile-cell.is-wide{grid-column:auto}
  .home-tile{padding:18px;border-radius:22px}
  .tile-plans{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps-grid{grid-template-columns:1fr;gap:12px}
  .step{display:grid;grid-template-columns:auto 1fr;text-align:left;column-gap:14px;padding:16px 18px}
  .step-number{grid-row:span 2;width:44px;height:44px;margin:0;font-size:19px;border-radius:15px}
  .step h3{margin-bottom:2px;align-self:end}
  .step p{grid-column:2}
  .support-panel{padding:20px;border-radius:24px}
  .qr-card{width:calc(50% - 8px)}
  .float-support{display:none}
  .footer-inner{flex-direction:column;gap:22px}
  .qr-row{flex-direction:column;align-items:center}
}

.hsearch{display:flex;align-items:center;gap:10px;cursor:text}
.hsearch input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;font:inherit;font-size:15px;font-weight:700;color:var(--foreground);
}
.hsearch input::placeholder{color:var(--muted-foreground);font-weight:600}
.hsearch.is-disabled{opacity:.55;pointer-events:none}
.htile.is-hidden-filter{display:none!important}

/* F22 home 320 */
@media (max-width:360px){
  .hgrid{grid-template-columns:minmax(0,1fr)!important}
  .htile,.hagent{min-width:0;max-width:100%}
  .site-header .header-inner{padding-inline:0}
}