/* ==========================================================================
   熵一 · 保质期库存 — 官网样式
   配色取自 App 设计令牌：brand #15803D / deep #166534 / mint #E3F4EA
   页面底 #FAF7F4，文字 #2B2622，警示琥珀 #C77005
   ========================================================================== */

:root{
  --cream:#FAF7F4;
  --cream-2:#F5F1EC;
  --ink:#2B2622;
  --ink-2:#7E6E63;
  --ink-3:#A79A8E;
  --line:#E8DFD6;
  --line-2:#F1EAE3;

  --deep:#166534;
  --brand:#15803D;
  --soft:#16A34A;
  --bright:#22C55E;
  --mint:#E3F4EA;
  --mint-2:#F1FAF4;

  --amber:#C77005;
  --amber-soft:#FBF0DC;
  --red:#D92D20;
  --yellow:#C79305;

  --r-lg:26px;
  --r-md:18px;
  --r-sm:12px;

  --shadow-xs:0 1px 2px rgba(43,38,34,.05);
  --shadow-sm:0 6px 24px -12px rgba(43,38,34,.18);
  --shadow-md:0 24px 60px -28px rgba(43,38,34,.28);
  --shadow-lg:0 44px 100px -40px rgba(22,101,52,.35);

  --ease:cubic-bezier(.22,1,.36,1);
  --sans:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",
         "Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,p,ul,figure{margin:0}
ul{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
::selection{background:var(--mint);color:var(--deep)}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 28px}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:600;letter-spacing:.12em;
  color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(21,128,61,.12);
}
.eyebrow .sep{
  width:3px;height:3px;border-radius:50%;background:currentColor;
  opacity:.45;margin:0 2px;
}
h1{
  font-size:clamp(42px,5.6vw,76px);
  line-height:1.1;
  letter-spacing:-.015em;
  font-weight:800;
  margin:20px 0 0;
}
h2{
  font-size:clamp(30px,3.6vw,46px);
  line-height:1.2;
  letter-spacing:-.01em;
  font-weight:800;
  margin:16px 0 0;
}
h3{font-size:18.5px;line-height:1.4;font-weight:700;letter-spacing:-.005em}
.lede{
  margin-top:18px;
  font-size:clamp(15px,1.35vw,17.5px);
  line-height:1.85;
  color:var(--ink-2);
  text-wrap:pretty;
}
.hl{color:var(--deep);background:linear-gradient(180deg,transparent 70%,rgba(22,163,74,.20) 70%)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:650;letter-spacing:.01em;white-space:nowrap;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),
             background .25s ease,color .25s ease,border-color .25s ease;
}
.btn svg{width:18px;height:18px;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn--primary{
  background:var(--brand);color:#fff;
  box-shadow:0 14px 30px -14px rgba(21,128,61,.75);
}
.btn--primary:hover{background:var(--deep);transform:translateY(-2px);box-shadow:0 20px 38px -16px rgba(21,128,61,.7)}
.btn--dark{background:var(--ink);color:var(--cream)}
.btn--dark:hover{background:#3b342e;transform:translateY(-2px)}
.btn--ghost{
  background:rgba(255,255,255,.72);color:var(--ink);
  border:1px solid var(--line);backdrop-filter:blur(8px);
}
.btn--ghost:hover{border-color:#cfc3b6;background:#fff;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn--light{background:#fff;color:var(--deep);box-shadow:0 16px 34px -18px rgba(0,0,0,.5)}
.btn--light:hover{transform:translateY(-2px);background:#F1FAF4}
.btn--sm{height:42px;padding:0 20px;font-size:13.5px}
.btn--full{width:100%}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;inset:0 0 auto;z-index:60;
  transition:background .4s ease,box-shadow .4s ease,backdrop-filter .4s ease;
}
.nav.is-stuck{
  background:rgba(250,247,244,.82);
  backdrop-filter:blur(18px) saturate(1.3);
  box-shadow:0 1px 0 rgba(43,38,34,.07);
}
.nav__in{
  max-width:1180px;margin:0 auto;padding:16px 28px;
  display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand__mark{width:36px;height:36px;display:block;object-fit:contain;filter:drop-shadow(0 6px 12px rgba(21,128,61,.28))}
.brand__mark--sm{width:32px;height:32px;filter:none}
.brand__text{
  display:flex;align-items:baseline;gap:7px;
  font-size:17px;font-weight:750;letter-spacing:.02em;
}
.brand__text em{
  font-style:normal;font-size:12px;font-weight:500;
  color:var(--ink-2);letter-spacing:.02em;
}
.nav__links{display:flex;gap:4px;margin-left:auto}
.nav__links a{
  position:relative;padding:8px 14px;border-radius:999px;
  font-size:14px;color:var(--ink-2);font-weight:550;
  transition:color .25s ease,background .25s ease;
}
.nav__links a:hover{color:var(--ink);background:rgba(43,38,34,.05)}
.nav__links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1.5px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .35s var(--ease);
}
.nav__links a:hover::after{transform:scaleX(1)}
.nav__cta{flex:none}
.burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.7);margin-left:auto;
}
.burger span{display:block;height:2px;width:18px;margin:0 auto;background:var(--ink);border-radius:2px;transition:transform .3s var(--ease),opacity .3s ease}
.burger[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position:relative;overflow:hidden;
  padding:132px 0 78px;
  isolation:isolate;
}
.hero__aura{
  position:absolute;z-index:-2;pointer-events:none;
  width:1100px;height:1100px;right:-320px;top:-380px;
  background:
    radial-gradient(circle at 50% 50%,rgba(22,163,74,.16),rgba(22,163,74,0) 62%),
    radial-gradient(circle at 68% 62%,rgba(199,112,5,.10),rgba(199,112,5,0) 55%);
  filter:blur(10px);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-3;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(43,38,34,.045) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(43,38,34,.045) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 78% 66% at 50% 32%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 78% 66% at 50% 32%,#000 20%,transparent 78%);
}
.hero__lines{
  position:absolute;inset:0;z-index:-1;width:100%;height:100%;
  pointer-events:none;opacity:.9;
}
.line{stroke-dasharray:5 16;animation:dashflow 22s linear infinite}
.line--b{animation-duration:28s;animation-direction:reverse}
.line--c{animation-duration:34s}
.line--d{animation-duration:26s;animation-direction:reverse}
@keyframes dashflow{to{stroke-dashoffset:-420}}

.hero__in{
  display:grid;grid-template-columns:1.02fr .98fr;
  gap:48px;align-items:center;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

/* 指标 */
.metrics{
  display:flex;flex-wrap:wrap;gap:0;
  margin-top:44px;padding-top:24px;
  border-top:1px solid rgba(43,38,34,.08);
}
.metric{
  min-width:104px;padding-right:26px;margin-right:26px;
  border-right:1px solid rgba(43,38,34,.08);
}
.metric:last-child{border-right:0;margin-right:0;padding-right:0}
.metric b{
  display:block;font-size:26px;font-weight:750;line-height:1.2;
  color:var(--deep);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.metric b small{font-size:15px;font-weight:600;margin:0 1px;color:var(--ink-2)}
.metric span{font-size:12px;color:var(--ink-2);letter-spacing:.02em}

/* ---------- 手机 ---------- */
.hero__device{position:relative;display:flex;justify-content:center}
.phone-wrap{position:relative;perspective:1400px}
.phone{
  position:relative;
  transform:rotateY(calc(-11deg + var(--mx,0) * 7deg)) rotateX(calc(3deg + var(--my,0) * -5deg)) rotateZ(-2.5deg);
  transform-style:preserve-3d;
  transition:transform .5s var(--ease);
  will-change:transform;
}
.phone__frame{
  position:relative;
  width:306px;aspect-ratio:9/19.4;
  padding:9px;border-radius:46px;
  background:linear-gradient(150deg,#3a332d,#1d1916 45%,#2e2823);
  box-shadow:
    0 2px 0 rgba(255,255,255,.14) inset,
    0 -2px 0 rgba(0,0,0,.4) inset,
    0 60px 90px -40px rgba(22,101,52,.45),
    0 30px 50px -30px rgba(43,38,34,.35);
}
.phone__frame::after{
  content:"";position:absolute;left:-2px;top:120px;width:3px;height:56px;
  border-radius:2px;background:linear-gradient(#4a423a,#2a2521);
}
.phone__notch{
  position:absolute;left:50%;top:16px;transform:translateX(-50%);
  width:84px;height:22px;border-radius:999px;background:#141110;z-index:4;
}
.phone__screen{
  position:relative;height:100%;overflow:hidden;
  border-radius:38px;background:var(--cream);
  padding:10px 12px 0;
  display:flex;flex-direction:column;
}
/* 真实截图屏 */
.phone__screen--shot{padding:0;background:#0b0a09}
.phone__shot{
  display:block;width:100%;height:100%;
  object-fit:cover;object-position:top center;
}

/* 屏内状态栏 */
.p-status{
  display:flex;align-items:center;justify-content:space-between;
  padding:4px 8px 0;height:26px;flex:none;
}
.p-status__time{font-size:9.5px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums}
.p-status__sig{display:flex;align-items:flex-end;gap:2px}
.p-status__sig i{width:2.5px;border-radius:1px;background:var(--ink);opacity:.8}
.p-status__sig em{width:13px;height:6.5px;margin-left:4px;border:1px solid rgba(43,38,34,.55);border-radius:2px;position:relative}
.p-status__sig em::after{content:"";position:absolute;inset:1px;right:3px;background:var(--brand);border-radius:1px}

.p-head{padding:12px 6px 10px;flex:none}
.p-date{font-size:8.5px;color:var(--ink-2);letter-spacing:.04em}
.p-head h3{font-size:17px;font-weight:800;margin-top:2px;letter-spacing:-.01em}

/* 五档摘要卡 */
.p-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  border-radius:15px;overflow:hidden;
  background:rgba(255,255,255,.16);
  background-color:var(--deep);
  background-image:linear-gradient(145deg,#166534,#15803D 52%,#16A34A);
  box-shadow:0 14px 26px -16px rgba(22,101,52,.6);
  flex:none;
}
.p-stat{
  padding:9px 8px 8px;text-align:left;
  background:transparent;
  display:flex;flex-direction:column;gap:1px;
}
.p-stat b{font-size:17px;font-weight:750;color:#fff;line-height:1.15;font-variant-numeric:tabular-nums}
.p-stat span{font-size:7.5px;color:rgba(255,255,255,.72);letter-spacing:.03em}
.p-stat--hot b{color:#FFD9D6}
.p-stat--all{
  flex-direction:row;align-items:center;justify-content:space-between;
  font-size:8px;color:rgba(255,255,255,.9);
}
.p-stat--all svg{width:12px;height:12px;color:#fff;opacity:.8}

.p-sec{
  margin:14px 6px 6px;font-size:8.5px;font-weight:700;
  color:var(--ink-2);letter-spacing:.06em;flex:none;
}
/* 到期列表 */
.p-rows{display:flex;flex-direction:column;gap:5px;flex:none}
.p-row{
  display:flex;align-items:center;gap:8px;
  padding:8px 9px;border-radius:11px;background:#fff;
  box-shadow:0 1px 2px rgba(43,38,34,.05);
}
.dot{width:6px;height:6px;border-radius:50%;flex:none}
.dot--red{background:var(--red);box-shadow:0 0 0 3px rgba(217,45,32,.12)}
.dot--amber{background:var(--amber);box-shadow:0 0 0 3px rgba(199,112,5,.12)}
.dot--yellow{background:var(--yellow);box-shadow:0 0 0 3px rgba(199,121,5,.12)}
.dot--green{background:var(--brand);box-shadow:0 0 0 3px rgba(21,128,61,.12)}
.p-row__t{min-width:0;flex:1}
.p-row__t b{display:block;font-size:9.5px;font-weight:650;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.p-row__t span{display:block;font-size:7.5px;color:var(--ink-3);line-height:1.4}
.tag{
  font-style:normal;font-size:7.5px;font-weight:700;
  padding:2.5px 6px;border-radius:999px;flex:none;
}
.tag--red{background:#FEF3F2;color:var(--red)}
.tag--amber{background:var(--amber-soft);color:var(--amber)}
.tag--yellow{background:#FDF6E3;color:var(--yellow)}
.tag--green{background:var(--mint);color:var(--deep)}

/* 扫描光 */
.p-scan{position:absolute;left:0;right:0;top:0;bottom:0;pointer-events:none;overflow:hidden;z-index:2}
.p-scan span{
  position:absolute;left:0;right:0;height:64px;
  background:linear-gradient(to bottom,rgba(34,197,94,0),rgba(34,197,94,.06) 45%,rgba(34,197,94,.26) 88%,rgba(255,255,255,0) 100%);
  animation:scanSweep 5.2s cubic-bezier(.45,0,.55,1) infinite;
}
.p-scan span::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:1.5px;
  background:linear-gradient(90deg,transparent,#22C55E 20%,#ADF0EA 50%,#22C55E 80%,transparent);
  box-shadow:0 0 12px rgba(34,197,94,.9);
}
@keyframes scanSweep{
  0%{transform:translateY(-70px);opacity:0}
  12%{opacity:1}
  50%{transform:translateY(300px)}
  78%{opacity:1}
  100%{transform:translateY(660px);opacity:0}
}

/* 底部 tab */
.p-tabs{
  margin-top:auto;display:grid;grid-template-columns:repeat(4,1fr);
  padding:8px 2px 14px;border-top:1px solid rgba(43,38,34,.06);
  background:linear-gradient(to bottom,rgba(250,247,244,0),var(--cream) 30%);
  flex:none;
}
.p-tab{display:flex;flex-direction:column;align-items:center;gap:2px;color:#B4A89D}
.p-tab svg{width:14px;height:14px}
.p-tab span{font-size:7px;letter-spacing:.02em}
.p-tab.is-on{color:var(--brand)}

/* 浮动小卡 */
.float-card{
  position:absolute;z-index:5;
  display:flex;align-items:center;gap:9px;
  padding:10px 13px 10px 10px;border-radius:14px;
  background:rgba(255,255,255,.94);
  border:1px solid rgba(232,223,214,.9);
  box-shadow:0 18px 36px -18px rgba(43,38,34,.28);
  backdrop-filter:blur(10px);
  animation:floaty 6s ease-in-out infinite;
}
.float-card b{display:block;font-size:12px;font-weight:700;line-height:1.35}
.float-card span{display:block;font-size:10.5px;color:var(--ink-2);line-height:1.4}
.float-card__ico{
  width:28px;height:28px;border-radius:9px;flex:none;
  display:grid;place-items:center;
  background:var(--mint);color:var(--brand);
}
.float-card__ico svg{width:15px;height:15px}
.float-card__ico--amber{background:var(--amber-soft);color:var(--amber)}
.float-card--top{left:-158px;top:104px;animation-delay:-1.4s}
.float-card--bottom{right:-166px;bottom:112px;animation-delay:-3.2s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

.hero__fade{
  position:absolute;left:0;right:0;bottom:0;height:120px;pointer-events:none;
  background:linear-gradient(to bottom,rgba(250,247,244,0),var(--cream));
}

/* ==========================================================================
   区块通用
   ========================================================================== */
.section{padding:clamp(72px,9vw,124px) 0;position:relative;scroll-margin-top:84px}
.sec-head{max-width:640px}
.sec-head--split{
  max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:40px;
}
.sec-head--center{max-width:660px;margin:0 auto;text-align:center}
.sec-head--center .eyebrow{justify-content:center}
.sec-head__aside{
  font-size:14.5px;line-height:1.8;color:var(--ink-2);max-width:330px;
}
.sec-head--center .sec-head__aside{margin:14px auto 0}

/* ==========================================================================
   流程
   ========================================================================== */
.flow{padding-top:clamp(56px,7vw,88px)}
.flow__track{position:relative;margin-top:64px}
.flow__steps{
  position:relative;display:grid;grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.step{
  position:relative;padding:0 8px;
  transition:transform .5s var(--ease);
}
.step:hover{transform:translateY(-5px)}
.step::after{
  content:"";position:absolute;right:-23px;top:118px;
  width:26px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(21,128,61,.10),rgba(21,128,61,.55),rgba(199,112,5,.45),rgba(21,128,61,.10));
  background-size:220% 100%;
  animation:linkFlow 3.2s linear infinite;
}
.step:nth-child(2)::after{animation-delay:-1.1s}
.step:last-child::after{display:none}
@keyframes linkFlow{from{background-position:220% 0}to{background-position:-20% 0}}
.step__num{
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--ink-3);margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step__art{
  border-radius:var(--r-md);
  background:linear-gradient(160deg,#fff,#FBF8F5);
  border:1px solid var(--line);
  padding:14px;
  box-shadow:var(--shadow-xs);
  transition:border-color .4s ease,box-shadow .4s ease;
}
.step:hover .step__art{border-color:rgba(21,128,61,.32);box-shadow:var(--shadow-sm)}
.step__art svg{width:100%;height:auto}
.step h3{margin-top:18px}
.step p{margin-top:7px;font-size:14.5px;line-height:1.75;color:var(--ink-2);max-width:280px}

.flow__note{
  display:flex;align-items:center;gap:10px;
  margin-top:52px;padding-left:4px;
  font-size:13.5px;color:var(--ink-2);
}
.dot-mark{
  width:8px;height:8px;border-radius:50%;flex:none;
  background:var(--amber);box-shadow:0 0 0 4px rgba(199,112,5,.12);
}

/* ==========================================================================
   功能卡
   ========================================================================== */
.features{background:#fff;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.grid{display:grid;gap:20px;margin-top:56px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.card{
  position:relative;
  padding:22px 22px 26px;
  border-radius:var(--r-lg);
  background:var(--cream);
  border:1px solid rgba(232,223,214,.75);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),
             border-color .45s ease,background .45s ease;
}
.card:hover{
  transform:translateY(-5px);
  background:#fff;
  border-color:rgba(21,128,61,.28);
  box-shadow:var(--shadow-md);
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  opacity:0;transition:opacity .45s ease;
  background:radial-gradient(240px circle at var(--px,50%) var(--py,50%),rgba(22,163,74,.10),transparent 72%);
}
.card:hover::after{opacity:1}
.card__art{
  border-radius:var(--r-md);
  background:linear-gradient(150deg,var(--mint-2),#fff 70%);
  border:1px solid rgba(21,128,61,.08);
  padding:10px;
  margin-bottom:20px;
  overflow:hidden;
}
.card__art svg{width:100%;height:auto}
.card p{margin-top:8px;font-size:14px;line-height:1.72;color:var(--ink-2)}

/* ==========================================================================
   保质期（深色区）
   ========================================================================== */
.expiry{
  background:
    radial-gradient(900px 420px at 12% 8%,rgba(34,197,94,.22),transparent 62%),
    radial-gradient(700px 400px at 92% 92%,rgba(199,112,5,.16),transparent 60%),
    linear-gradient(155deg,#0D3B21,#166534 55%,#11512B);
  color:#fff;
  overflow:hidden;
}
.expiry::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 50%,#000,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 50%,#000,transparent 75%);
}
.expiry .wrap{position:relative;z-index:1}
.expiry__in{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.expiry h2{color:#fff}
.expiry .lede{color:rgba(255,255,255,.72)}
.expiry .eyebrow{color:#ADF0EA}
.expiry .eyebrow::before{background:#ADF0EA;box-shadow:0 0 0 4px rgba(173,240,234,.16)}

.legend{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:32px}
.legend li{
  display:flex;align-items:center;gap:9px;
  padding:9px 14px 9px 11px;border-radius:999px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.10);
  font-size:12.5px;
}
.legend i{
  width:9px;height:9px;border-radius:50%;flex:none;
  background:var(--c);box-shadow:0 0 10px var(--c);
}
.legend b{font-weight:700;color:#fff}
.legend span{color:rgba(255,255,255,.6);font-size:11.5px}

.expiry__panel{
  padding:26px;
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(12px);
  box-shadow:0 40px 80px -50px rgba(0,0,0,.8);
}
.racks{display:flex;flex-direction:column;gap:16px}
.rack{display:grid;grid-template-columns:54px 1fr 32px;align-items:center;gap:14px}
.rack__tag{font-size:11.5px;font-weight:650;color:rgba(255,255,255,.62);letter-spacing:.03em}
.rack__tag--red{color:#FF9B95}
.rack__tag--amber{color:#F3B765}
.rack__tag--yellow{color:#E8CE7A}
.rack__tag--green{color:#8FE0A9}
.rack__tag--deep{color:#ADF0EA}
.rack__bar{height:9px;border-radius:99px;background:rgba(255,255,255,.10);overflow:hidden}
.rack__bar i{
  display:block;height:100%;width:var(--w);border-radius:99px;
  background:linear-gradient(90deg,color-mix(in srgb,var(--c) 70%,transparent),var(--c));
  box-shadow:0 0 14px -2px var(--c);
  transform:scaleX(1);transform-origin:left;
}
.js .rack__bar i{transform:scaleX(.02)}
.js .is-in .rack__bar i{animation:barGrow 1.15s var(--ease) forwards}
.rack:nth-child(1) .rack__bar i{animation-delay:.05s}
.rack:nth-child(2) .rack__bar i{animation-delay:.13s}
.rack:nth-child(3) .rack__bar i{animation-delay:.21s}
.rack:nth-child(4) .rack__bar i{animation-delay:.29s}
.rack:nth-child(5) .rack__bar i{animation-delay:.37s}
@keyframes barGrow{to{transform:scaleX(1)}}
.rack b{font-size:14px;font-weight:700;text-align:right;font-variant-numeric:tabular-nums;color:#fff}

.modes{
  margin-top:26px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.mode{display:flex;gap:11px;align-items:flex-start}
.mode svg{width:34px;height:34px;flex:none;opacity:.95}
.mode b{display:block;font-size:13.5px;font-weight:700;color:#fff}
.mode span{display:block;font-size:11.5px;line-height:1.65;color:rgba(255,255,255,.6);margin-top:2px}

/* ==========================================================================
   打印
   ========================================================================== */
.print__stage{
  display:grid;grid-template-columns:1.02fr .98fr;
  gap:56px;align-items:center;margin-top:60px;
}
.print__art{
  position:relative;height:470px;
  display:flex;align-items:flex-end;justify-content:center;gap:4px;
  padding:44px 30px 40px;
  border-radius:var(--r-lg);
  background:
    radial-gradient(60% 60% at 30% 20%,rgba(22,163,74,.10),transparent 70%),
    linear-gradient(160deg,#F7F3EE,#EFE9E2);
  border:1px solid var(--line);
  overflow:hidden;
}
.print__art::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(43,38,34,.10) 1px,transparent 1px);
  background-size:18px 18px;
  mask-image:radial-gradient(ellipse at 50% 50%,#000,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 50%,#000,transparent 72%);
}
/* A4 */
.paper{
  position:relative;flex:none;
  width:280px;min-height:352px;
  padding:20px 18px;
  background:#fff;border-radius:4px;
  box-shadow:0 30px 60px -30px rgba(43,38,34,.4),0 0 0 1px rgba(43,38,34,.05);
  transform:rotate(-3.2deg);
  overflow:hidden;
}
.paper__head{display:flex;align-items:center;gap:10px;padding-bottom:12px;border-bottom:1.5px solid #EFE9E2}
.paper__logo{width:22px;height:22px;border-radius:6px;background:var(--brand);flex:none;
  box-shadow:inset -4px 0 0 rgba(255,255,255,.55)}
.paper__head b{display:block;font-size:12.5px;font-weight:750;letter-spacing:.04em}
.paper__head i{display:block;font-style:normal;font-size:8px;color:var(--ink-3);letter-spacing:.02em}
.paper__table{margin-top:12px}
.tr{
  display:grid;grid-template-columns:1.5fr 1fr .5fr;
  gap:6px;padding:7px 0;border-bottom:1px solid #F5F1EC;
  font-size:8.5px;color:var(--ink-2);
}
.tr span:last-child{text-align:right;font-variant-numeric:tabular-nums;color:var(--ink)}
.tr--th{font-size:8px;font-weight:700;color:var(--ink-3);letter-spacing:.04em;
  border-bottom:1px solid #E8DFD6;padding-top:0}
.paper__foot{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:14px;padding-top:10px;border-top:1.5px solid #EFE9E2;
  font-size:9px;color:var(--ink-2);
}
.paper__foot b{font-size:13px;color:var(--deep);font-variant-numeric:tabular-nums}
.paper__scan{
  position:absolute;left:0;right:0;height:56px;
  background:linear-gradient(to bottom,rgba(34,197,94,0),rgba(34,197,94,.16),rgba(34,197,94,0));
  animation:paperScan 4.6s ease-in-out infinite;
}
.paper__scan::after{
  content:"";position:absolute;left:10%;right:10%;bottom:50%;height:1px;
  background:linear-gradient(90deg,transparent,#22C55E,transparent);
}
@keyframes paperScan{0%{top:-60px}50%{top:300px}100%{top:-60px}}

/* 小票 */
.receipt{
  position:relative;flex:none;
  align-self:flex-end;margin:0 0 16px 8px;
  filter:drop-shadow(0 26px 34px rgba(43,38,34,.28));
  transform:rotate(4deg);
}
.js .receipt{animation:receiptIn 1.1s var(--ease) both .2s}
@keyframes receiptIn{from{transform:translateY(40px) rotate(4deg);opacity:0}to{transform:translateY(0) rotate(4deg);opacity:1}}
.receipt__paper{
  position:relative;width:158px;padding:16px 14px 24px;
  background:#fff;border-radius:3px 3px 0 0;
}
.receipt__paper::after{
  content:"";position:absolute;left:0;right:0;bottom:-7px;height:8px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8'%3E%3Cpath d='M0 0h8L4 8z' fill='%23fff'/%3E%3C/svg%3E");
  background-size:8px 8px;
  background-repeat:repeat-x;
}
.receipt__title{display:block;text-align:center;font-size:11px;font-weight:800;letter-spacing:.1em}
.receipt__sub{display:block;text-align:center;font-size:7px;color:var(--ink-3);margin-top:2px;letter-spacing:.04em}
.receipt__rows{margin:11px 0;padding:9px 0;border-top:1px dashed #DED5CB;border-bottom:1px dashed #DED5CB}
.receipt__rows div{display:flex;justify-content:space-between;font-size:8px;color:var(--ink-2);padding:3px 0}
.receipt__rows i{font-style:normal;color:var(--ink);font-variant-numeric:tabular-nums}
.receipt__sum{display:flex;justify-content:space-between;font-size:9px;font-weight:700;color:var(--ink)}
.receipt__sum i{font-style:normal;color:var(--deep);font-variant-numeric:tabular-nums}
.receipt__code{
  margin-top:12px;height:22px;border-radius:2px;
  background:repeating-linear-gradient(90deg,#2B2622 0 1.5px,transparent 1.5px 3px,#2B2622 3px 5px,transparent 5px 8px);
  opacity:.8;
}

/* 打印说明列表 */
.print__list{display:flex;flex-direction:column;gap:2px}
.plist{
  display:grid;grid-template-columns:44px 1fr;gap:16px;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.plist:first-child{padding-top:0}
.plist:last-child{border-bottom:0;padding-bottom:0}
.plist__no{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:var(--mint);color:var(--deep);
  font-size:13px;font-weight:750;
}
.plist h3{font-size:16.5px}
.plist p{margin-top:5px;font-size:14px;line-height:1.7;color:var(--ink-2);max-width:360px}
.plist em{
  grid-column:2;font-style:normal;justify-self:start;margin-top:9px;
  font-size:11px;letter-spacing:.08em;font-weight:650;
  color:var(--brand);background:rgba(21,128,61,.07);
  padding:4px 10px;border-radius:999px;
}

/* ==========================================================================
   协作
   ========================================================================== */
.team{background:#fff;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.team__in{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.team__art{display:grid;place-items:center}
.team__art svg{width:100%;max-width:480px;height:auto}
.team__facts{display:flex;gap:14px;margin-top:34px}
.fact{
  flex:1;padding:18px 20px;border-radius:var(--r-md);
  background:var(--cream);border:1px solid var(--line);
}
.fact b{
  display:block;font-size:34px;font-weight:800;line-height:1;
  color:var(--deep);letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}
.fact span{display:block;margin-top:6px;font-size:12.5px;color:var(--ink-2)}
.fact em{display:block;font-style:normal;font-size:11.5px;color:var(--ink-3);margin-top:2px}

/* ==========================================================================
   定价
   ========================================================================== */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px;align-items:stretch}
.plan{
  position:relative;display:flex;flex-direction:column;
  padding:30px 26px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-xs);
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s ease;
}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(21,128,61,.25)}
.plan header h3{font-size:17px;letter-spacing:.04em}
.plan header p{font-size:12.5px;color:var(--ink-3);margin-top:3px}
.plan__price{
  display:flex;align-items:baseline;gap:0;
  margin:22px 0 4px;color:var(--ink);
}
.plan__price small{font-size:19px;font-weight:650;color:var(--ink-2);margin-right:2px}
.plan__price b{
  font-size:52px;font-weight:800;line-height:1;letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;
}
.plan__price i{font-style:normal;font-size:13px;color:var(--ink-3);margin-left:5px}
.plan ul{
  margin:24px 0 28px;padding-top:22px;
  border-top:1px solid var(--line-2);
  display:flex;flex-direction:column;gap:11px;
}
.plan li{
  position:relative;padding-left:24px;
  font-size:13.5px;color:var(--ink-2);line-height:1.6;
}
.plan li::before{
  content:"";position:absolute;left:0;top:6px;
  width:14px;height:14px;border-radius:50%;
  background-color:var(--mint);
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M3.6 7.2l2.2 2.2 4.6-4.6' fill='none' stroke='%2315803D' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-position:center;
  background-size:10px;
  background-repeat:no-repeat;
}
.plan .btn{margin-top:auto}
.plan--hero{
  background:linear-gradient(158deg,#0F4A28,#166534 55%,#15803D);
  border-color:transparent;color:#fff;
  box-shadow:0 40px 80px -40px rgba(22,101,52,.65);
  transform:translateY(-10px);
}
.plan--hero:hover{transform:translateY(-16px);box-shadow:0 50px 90px -40px rgba(22,101,52,.7)}
.plan--hero header p{color:rgba(255,255,255,.6)}
.plan--hero .plan__price{color:#fff}
.plan--hero .plan__price small{color:rgba(255,255,255,.75)}
.plan--hero .plan__price i{color:rgba(255,255,255,.6)}
.plan--hero ul{border-top-color:rgba(255,255,255,.16)}
.plan--hero li{color:rgba(255,255,255,.82)}
.plan--hero li::before{
  background-color:rgba(255,255,255,.18);
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath d='M3.6 7.2l2.2 2.2 4.6-4.6' fill='none' stroke='%23ffffff' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.plan__badge{
  position:absolute;right:22px;top:-13px;
  padding:6px 13px;border-radius:999px;
  background:linear-gradient(100deg,#C77005,#E8A33D);
  color:#fff;font-size:11px;font-weight:700;letter-spacing:.03em;
  box-shadow:0 10px 22px -10px rgba(199,112,5,.8);
}
.freebar{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  margin-top:28px;padding:20px 24px;
  border-radius:var(--r-md);
  background:var(--mint-2);
  border:1px solid rgba(21,128,61,.14);
}
.freebar__tag{
  flex:none;font-size:12px;font-weight:700;letter-spacing:.04em;
  color:var(--deep);background:#fff;border:1px solid rgba(21,128,61,.2);
  padding:5px 12px;border-radius:999px;
}
.freebar p{font-size:13.5px;color:var(--ink-2);line-height:1.7;flex:1;min-width:240px}
.freebar b{color:var(--deep);font-weight:750;font-variant-numeric:tabular-nums}
.freebar__hint{font-size:12.5px;color:var(--ink-3);flex:none}

/* ==========================================================================
   收尾
   ========================================================================== */
.closer{padding:0 0 clamp(72px,8vw,110px)}
.closer__in{
  position:relative;overflow:hidden;
  border-radius:34px;
  padding:clamp(48px,7vw,86px) 40px;
  text-align:center;
  color:#fff;
  background:
    radial-gradient(600px 300px at 20% 0%,rgba(34,197,94,.30),transparent 60%),
    radial-gradient(500px 300px at 85% 100%,rgba(199,112,5,.22),transparent 60%),
    linear-gradient(155deg,#0D3B21,#166534 60%,#11512B);
  box-shadow:0 50px 90px -50px rgba(22,101,52,.6);
}
.closer__in::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 34px);
  mask-image:linear-gradient(to bottom,#000,transparent 70%);
  -webkit-mask-image:linear-gradient(to bottom,#000,transparent 70%);
}
.closer__mark{
  width:56px;height:56px;margin:0 auto 22px;
  background:#fff;border-radius:18px;padding:6px;
  box-sizing:content-box;
  box-shadow:0 12px 26px -10px rgba(0,0,0,.45);
}
.closer h2{color:#fff;font-size:clamp(30px,3.8vw,48px)}
.closer p{margin-top:14px;color:rgba(255,255,255,.66);font-size:14.5px}
.closer .btn{margin-top:30px;position:relative}

/* ==========================================================================
   页脚
   ========================================================================== */
.footer{padding:36px 0 44px;border-top:1px solid var(--line)}
.footer__in{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.footer__brand{display:flex;align-items:center;gap:10px}
.footer__brand b{display:block;font-size:13.5px;font-weight:750;line-height:1.3}
.footer__brand span{display:block;font-size:11px;color:var(--ink-3)}
.footer__note{margin-left:auto;font-size:12.5px;color:var(--ink-2)}
.footer__note a{
  color:var(--brand);font-weight:650;
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;
}
.footer__note a:hover{color:var(--deep)}
.footer__copy{
  font-size:11.5px;color:var(--ink-3);width:100%;padding-top:18px;border-top:1px solid var(--line-2);margin-top:6px;
  display:flex;align-items:center;justify-content:space-between;gap:6px 18px;flex-wrap:wrap;
}
.footer__icp{color:inherit;text-decoration:none;white-space:nowrap}
.footer__icp:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* ==========================================================================
   入场动画
   ========================================================================== */
.js [data-reveal]{opacity:0}
.js [data-reveal].is-in{
  animation:revealIn .85s var(--ease) var(--d,0s) forwards;
}
@keyframes revealIn{
  from{opacity:0;transform:translateY(22px)}
  to{opacity:1;transform:none}
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1300px){
  .float-card--bottom{display:none}
}

@media (max-width:1080px){
  .hero__in{grid-template-columns:1fr .9fr;gap:28px}
  .float-card--top{left:-126px}
  .float-card--bottom{right:-132px}
  .expiry__in,.team__in{gap:40px}
  .print__stage{gap:36px}
}

@media (max-width:940px){
  .nav__links{
    position:absolute;left:20px;right:20px;top:70px;
    flex-direction:column;gap:2px;
    padding:10px;border-radius:18px;
    background:rgba(255,255,255,.97);
    border:1px solid var(--line);
    box-shadow:var(--shadow-md);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .3s ease,transform .3s var(--ease),visibility .3s;
  }
  .nav__links.is-open{opacity:1;visibility:visible;transform:none}
  .nav__links a{padding:12px 14px;font-size:15px}
  .nav__links a::after{display:none}
  .nav__cta{display:none}
  .burger{display:flex}

  .hero{padding:124px 0 72px}
  .hero__in{grid-template-columns:1fr;gap:56px}
  .float-card--top{left:-174px}
  .float-card--bottom{display:flex;right:-170px}
  .hero__copy{text-align:left}
  .hero__device{margin-top:8px}
  .metrics{margin-top:36px}
  .phone__frame{width:min(300px,72vw)}

  .sec-head--split{flex-direction:column;align-items:flex-start;gap:18px}
  .flow__steps{grid-template-columns:1fr;gap:32px}
  .step::after{display:none}
  .step{display:grid;grid-template-columns:96px 1fr;column-gap:18px;align-items:start}
  .step__num{grid-column:1 / -1}
  .step__art{grid-row:2 / span 2;padding:8px}
  .step h3{margin-top:0;align-self:end}
  .step p{max-width:none}

  .grid--3{grid-template-columns:repeat(2,1fr)}
  .card__art svg{max-height:196px;margin:0 auto}
  .expiry__in{grid-template-columns:1fr;gap:40px}
  .print__stage{grid-template-columns:1fr;gap:44px}
  .print__art{height:430px}
  .team__in{grid-template-columns:1fr;gap:24px}
  .team__art{order:2}
  .plans{grid-template-columns:1fr;gap:16px}
  .plan--hero{transform:none}
  .plan--hero:hover{transform:translateY(-6px)}
}

@media (max-width:640px){
  .float-card{display:none}
  .wrap{padding:0 20px}
  .nav__in{padding:12px 20px}
  .brand__text{font-size:15.5px}
  .brand__text em{display:none}
  h1{font-size:clamp(36px,9vw,46px)}
  h2{font-size:clamp(26px,7vw,34px)}
  .lede{font-size:14.5px}
  .hero{padding-top:112px}
  .metrics{gap:0}
  .metric{min-width:calc(50% - 1px);padding:12px 16px 0 0;margin:0;border-right:0}
  .metric:nth-child(-n+2){border-bottom:1px solid rgba(43,38,34,.07);padding-bottom:12px}
  .metric:nth-child(2){padding-left:0}
  .metric b{font-size:22px}
  .float-card--top{left:-6px;top:70px;transform:scale(.92)}
  .float-card--bottom{right:-6px;bottom:56px;transform:scale(.92)}
  .grid--3{grid-template-columns:1fr}
  .expiry__panel{padding:20px}
  .rack{grid-template-columns:42px 1fr 28px;gap:10px}
  .modes{grid-template-columns:1fr}
  .print__art{height:390px;padding:30px 16px 30px}
  .paper{width:236px;padding:16px 14px;min-height:300px}
  .receipt{margin-left:14px;margin-bottom:10px}
  .receipt__paper{width:132px;padding:12px 11px 20px}
  .team__facts{flex-direction:column}
  .freebar{padding:18px}
  .freebar__hint{width:100%}
  .closer__in{padding:44px 24px;border-radius:26px}
  .footer__note{margin-left:0;width:100%;order:3}
}

@media (max-width:400px){
  .phone__frame{width:min(268px,80vw)}
  .float-card{display:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .js [data-reveal]{opacity:1;transform:none}
}