/* 2026-07-19：去除 Google Fonts 依赖（中国网络环境）。
   正文使用系统中文字体栈；宋体展示字由 ./fonts/fonts.css 自托管子集提供。 */

:root{
  --bg:#edf1ee;
  --paper:#fafbf9;
  --paper-2:#ffffff;
  --ink:#0f1713;
  --ink-2:#2c3732;
  --muted:#64716a;
  --line:#d0d8d2;
  --line-2:#b5c0b8;
  --red:#963244;
  --green:#1b6252;
  --blue:#365f7b;
  --gold:#9d7834;
  --dark:#0d1612;
  --shadow:0 20px 60px rgba(15,20,18,.085);
  --font-display:"Site Sans","PingFang SC","Microsoft YaHei",sans-serif;
  --font-sans:"Site Sans","PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif:"Siwo Calligraphy","Noto Serif SC Local","Songti SC","STSong","SimSun",serif;
  --font-cultural:"Siwo Calligraphy","Noto Serif SC Local","Songti SC","STSong","SimSun",serif;
  --font-hero:"Siwo Calligraphy","Noto Serif SC Local","Songti SC","STSong","SimSun",serif;
  --font-latin:"Aptos","Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--bg);
  font-family:var(--font-sans);
  line-height:1.62;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
.product-page{overflow-x:hidden}
::selection{color:#fff;background:var(--red)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
a:focus-visible,summary:focus-visible{
  outline:2px solid var(--red);
  outline-offset:4px;
}
.site{
  width:100%;
  max-width:1920px;
  min-height:100svh;
  margin:0 auto;
  background:linear-gradient(180deg,#fff 0%,#f1f4f1 48%,#e7ece8 100%);
}
.nav{
  position:sticky;
  top:0;
  z-index:20;
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:0 clamp(20px,5vw,88px);
  border-bottom:1px solid rgba(15,20,18,.10);
  background:rgba(250,251,249,.88);
  backdrop-filter:blur(20px) saturate(130%);
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:0;
}
.mark{
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  border:1px solid var(--red);
  border-radius:4px;
  color:#fff;
  background:var(--red);
  font-family:var(--font-serif);
  font-weight:900;
  box-shadow:0 8px 22px rgba(152,45,61,.18);
  transition:transform .2s ease,box-shadow .2s ease;
}
.brand:hover .mark{transform:translateY(-2px);box-shadow:0 12px 26px rgba(152,45,61,.24)}
.nav-links{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:4px;
  flex-wrap:wrap;
}
.nav-links a{
  position:relative;
  min-height:38px;
  display:inline-flex;
  align-items:center;
  padding:0 12px;
  border-radius:0;
  color:var(--muted);
  font-size:14px;
  font-weight:760;
}
.nav-links>a:not(.nav-cta)::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:4px;
  height:2px;
  background:var(--red);
  transform:scaleX(0);
  transform-origin:right;
  transition:transform .2s ease;
}
.nav-links>a:not(.nav-cta):hover::after,
.nav-links>a:not(.nav-cta).active::after{transform:scaleX(1);transform-origin:left}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:transparent}
.nav-links .nav-cta{
  margin-left:5px;
  border-radius:4px;
  color:#fff;
  background:var(--ink);
}
.nav-links .nav-cta:hover,.nav-links .nav-cta.active{color:#fff;background:var(--red)}
/* 主题切换按钮（跟随系统/浅色/深色），内容由 site.js 渲染 */
.theme-toggle{
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:38px;
  margin-left:5px;
  padding:0 10px;
  border:1px solid var(--line);
  border-radius:4px;
  background:transparent;
  color:var(--muted);
  font-family:inherit;
  font-size:14px;
  font-weight:760;
  cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.theme-toggle:hover{color:var(--ink);border-color:var(--line-2);background:rgba(15,20,18,.04)}
.theme-toggle:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.theme-toggle svg{width:14px;height:14px;flex:none}
.product-menu{
  position:relative;
}
.product-menu summary{
  list-style:none;
  min-height:38px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:0 12px;
  border-radius:0;
  color:var(--muted);
  font-size:14px;
  font-weight:760;
  cursor:pointer;
  user-select:none;
}
.product-menu summary::-webkit-details-marker{display:none}
.product-menu summary::after{
  content:"";
  width:6px;
  height:6px;
  border-right:1.6px solid currentColor;
  border-bottom:1.6px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
  opacity:.7;
}
.product-menu:hover summary,
.product-menu[open] summary,
.product-menu.active summary{
  color:var(--ink);
  background:transparent;
  box-shadow:inset 0 -2px 0 var(--red);
}
.product-dropdown{
  position:absolute;
  top:44px;
  left:0;
  z-index:40;
  min-width:230px;
  display:grid;
  gap:4px;
  padding:8px;
  border:1px solid rgba(15,20,18,.12);
  border-radius:4px;
  background:rgba(255,254,250,.96);
  box-shadow:0 18px 48px rgba(15,20,18,.14);
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s ease;
}
.product-menu:hover .product-dropdown,
.product-menu[open] .product-dropdown{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.product-dropdown a{
  display:grid;
  align-content:center;
  gap:2px;
  min-height:54px;
  padding:10px 12px;
  border-radius:3px;
  color:var(--ink);
}
.product-dropdown a:hover{background:rgba(31,103,86,.08);color:var(--green)}
.product-dropdown b{
  font-size:14px;
  line-height:1.2;
}
.product-dropdown span{
  color:var(--muted);
  font-size:12px;
  line-height:1.35;
}
.siwo-hero{
  position:relative;
  min-height:calc(100svh - 76px);
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  padding:clamp(84px,10vw,144px) clamp(20px,5vw,88px) clamp(64px,8vw,108px);
  background:linear-gradient(112deg,#f0f4f1 0%,#f4f4f0 52%,#f7eeea 100%);
  isolation:isolate;
}
.siwo-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-2;
  background:
    linear-gradient(90deg,rgba(15,20,18,.045) 1px,transparent 1px),
    linear-gradient(0deg,rgba(15,20,18,.035) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 58%);
  mask-image:linear-gradient(90deg,#000,transparent 58%);
}
.siwo-hero-copy{
  position:relative;
  z-index:2;
  width:min(700px,58vw);
  animation:content-rise .75s cubic-bezier(.2,.7,.2,1) both;
}
.siwo-hero h1{
  margin:12px 0 10px;
  font-family:var(--font-serif);
  font-size:180px;
  font-weight:900;
  line-height:.92;
}
.siwo-tagline{
  margin:24px 0 0;
  color:var(--ink-2);
  font-family:var(--font-display);
  font-size:44px;
  font-weight:780;
  line-height:1.28;
}
.siwo-intro{
  max-width:620px;
  margin:24px 0 0;
  color:var(--muted);
  font-size:17px;
  line-height:1.85;
}
.siwo-actions{
  display:flex;
  gap:10px;
  margin-top:34px;
}
.siwo-art{
  position:absolute;
  z-index:-1;
  right:clamp(56px,6vw,132px);
  top:51%;
  width:min(52vw,700px);
  transform:translateY(-50%);
  animation:art-arrive 1s cubic-bezier(.2,.7,.2,1) both;
}
.siwo-art::before{
  content:"SIWO / 似我";
  position:absolute;
  z-index:2;
  right:12%;
  top:9%;
  padding:8px 10px;
  border-left:2px solid var(--red);
  color:var(--ink);
  background:rgba(255,255,255,.48);
  font-size:11px;
  font-weight:900;
  letter-spacing:.08em;
  backdrop-filter:blur(10px);
}
.siwo-art::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,#f0f4f1 0%,rgba(240,244,241,.94) 15%,rgba(240,244,241,.62) 36%,rgba(240,244,241,.12) 68%,transparent 84%),
    linear-gradient(180deg,rgba(247,238,234,.20),transparent 25%,transparent 72%,rgba(247,238,234,.24));
}
.siwo-art img{
  width:100%;
  height:auto;
  opacity:.88;
  filter:saturate(.84) contrast(.96);
  mix-blend-mode:multiply;
  -webkit-mask-image:radial-gradient(ellipse at center,#000 52%,rgba(0,0,0,.88) 68%,transparent 96%);
  mask-image:radial-gradient(ellipse at center,#000 52%,rgba(0,0,0,.88) 68%,transparent 96%);
}
.siwo-index{
  position:absolute;
  right:clamp(20px,5vw,88px);
  bottom:28px;
  margin:0;
  color:rgba(15,20,18,.48);
  font-size:11px;
  font-weight:850;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.siwo-statement{
  display:grid;
  grid-template-columns:190px minmax(0,1fr);
  gap:42px;
  padding:clamp(100px,12vw,176px) clamp(20px,5vw,88px);
  border-top:1px solid rgba(15,20,18,.09);
  background:#fff;
}
.siwo-statement-label{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:8px;
  color:var(--red);
  font-size:11px;
  font-weight:900;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.siwo-statement-label b{color:var(--ink);font-size:36px;line-height:1}
.siwo-statement-copy{max-width:980px}
.siwo-statement h2{
  max-width:880px;
  margin:0;
  font-size:80px;
  line-height:1.08;
}
.siwo-statement-copy p{
  max-width:860px;
  margin:40px 0 0;
  color:var(--ink-2);
  font-size:clamp(20px,2.2vw,30px);
  line-height:1.72;
}
.siwo-access{
  padding:clamp(84px,10vw,136px) clamp(20px,5vw,88px);
  border-top:1px solid rgba(15,20,18,.09);
}
.access-list{border-top:1px solid rgba(15,20,18,.18)}
.access-row{
  min-height:128px;
  display:grid;
  grid-template-columns:90px minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
  border-bottom:1px solid rgba(15,20,18,.18);
  transition:background .18s ease,padding .18s ease;
}
.access-row.available:hover{
  padding:0 18px 0 22px;
  background:#fff;
  box-shadow:inset 4px 0 0 var(--red);
}
.access-number{
  color:var(--red);
  font-size:12px;
  font-weight:900;
  letter-spacing:.12em;
}
.access-row h3{margin:0;font-size:clamp(26px,3vw,40px);line-height:1.15}
.access-row h3{font-family:var(--font-display);font-weight:700}
.access-row p{margin:7px 0 0;color:var(--muted);font-size:14px}
.access-row strong,
.access-status{
  color:var(--ink);
  font-size:14px;
  font-weight:850;
}
.access-row.available strong{color:var(--green)}
.access-status{color:var(--muted)}
.hero{
  min-height:calc(100svh - 76px);
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(420px,.86fr);
  gap:clamp(44px,7vw,108px);
  align-items:center;
  padding:clamp(66px,8vw,122px) clamp(20px,5vw,88px) clamp(56px,7vw,100px);
  overflow:hidden;
}
.home-page .hero{
  grid-template-columns:minmax(0,1.18fr) minmax(390px,.70fr);
  gap:clamp(56px,7vw,104px);
}
.page-hero{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(320px,.48fr);
  gap:clamp(36px,6vw,86px);
  align-items:end;
  padding:clamp(72px,9vw,132px) clamp(20px,5vw,88px) clamp(56px,7vw,96px);
  border-bottom:1px solid rgba(15,20,18,.09);
}
.hero-copy,.page-copy{max-width:1000px}
.hero-copy{animation:content-rise .72s cubic-bezier(.2,.7,.2,1) both}
.page-copy{animation:content-rise .72s cubic-bezier(.2,.7,.2,1) both}
.eyebrow{
  margin:0 0 20px;
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--green);
  font-family:var(--font-latin);
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--red)}
h1{
  margin:0;
  max-width:980px;
  font-size:104px;
  line-height:.98;
  letter-spacing:0;
  font-family:var(--font-display);
  font-weight:700;
}
.page-hero h1{font-size:80px;line-height:1.03}
.company-page .page-hero h1{
  max-width:1120px;
  color:#0b1511;
  font-size:90px;
  line-height:1.02;
  font-weight:700;
}
.company-page .page-hero h1>span{display:block}
.mobile-break{display:none}
.lead{
  max-width:790px;
  margin:30px 0 0;
  color:var(--ink-2);
  font-size:clamp(19px,2vw,25px);
  line-height:1.78;
}
.page-note{
  color:var(--muted);
  font-size:18px;
  line-height:1.7;
}
.contact-page .page-note{max-width:440px}
.company-hero-art{
  position:relative;
  min-height:420px;
  overflow:hidden;
  border:1px solid rgba(15,20,18,.12);
  border-radius:4px;
  background:
    linear-gradient(90deg,rgba(15,20,18,.045) 1px,transparent 1px),
    linear-gradient(0deg,rgba(15,20,18,.035) 1px,transparent 1px),
    linear-gradient(145deg,#fffdf8 0%,#f1f3ef 62%,#e8eeea 100%);
  background-size:42px 42px,42px 42px,100% 100%;
  box-shadow:var(--shadow);
  animation:content-rise .82s cubic-bezier(.2,.7,.2,1) both;
}
.company-hero-art::before{
  content:"邃";
  position:absolute;
  right:-22px;
  bottom:-64px;
  color:rgba(152,45,61,.17);
  font-family:var(--font-serif);
  font-size:clamp(240px,26vw,420px);
  line-height:.82;
  font-weight:900;
}
.company-hero-art::after{
  content:"SUIMI QUNKE";
  position:absolute;
  left:28px;
  top:28px;
  color:rgba(15,20,18,.34);
  font-family:var(--font-latin);
  font-size:12px;
  font-weight:800;
  letter-spacing:.08em;
}
.company-seal{
  position:absolute;
  left:32px;
  right:auto;
  top:clamp(116px,30%,150px);
  bottom:auto;
  width:min(570px,calc(100% - 64px));
  display:grid;
  gap:14px;
  padding:0;
  border:0;
  background:transparent;
}
.company-seal span{
  max-width:570px;
  color:var(--ink-2);
  font-size:17px;
  font-weight:600;
  line-height:1.82;
}
.hero-actions,.actions{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  margin-top:38px;
}
.button{
  min-height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 18px;
  border:1px solid var(--ink);
  border-radius:4px;
  font-weight:850;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.button:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(15,20,18,.12)}
.button.dark{color:#fff;background:var(--ink)}
.button.dark:hover{background:var(--red);border-color:var(--red)}
.button.light{background:rgba(255,255,255,.72)}
.button.light:hover{color:var(--green);border-color:var(--green)}
.signal-strip{
  max-width:840px;
  margin-top:52px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  border-top:1px solid rgba(15,20,18,.14);
  border-bottom:1px solid rgba(15,20,18,.14);
  background:transparent;
}
.signal-strip span{
  min-height:116px;
  display:grid;
  align-content:space-between;
  gap:12px;
  padding:17px;
  border-left:1px solid rgba(15,20,18,.10);
  background:transparent;
  transition:background .2s ease,color .2s ease;
}
.signal-strip span:first-child{border-left:0}
.signal-strip span:hover{background:rgba(255,255,255,.56)}
.signal-strip b,.kicker{
  color:var(--red);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-weight:900;
}
.signal-strip em{
  color:var(--ink-2);
  font-style:normal;
  font-weight:780;
}
.command,.visual-panel{
  position:relative;
  min-height:590px;
  overflow:hidden;
  border:1px solid rgba(15,20,18,.12);
  border-radius:8px;
  background:
    linear-gradient(90deg,rgba(15,20,18,.06) 1px,transparent 1px),
    linear-gradient(0deg,rgba(15,20,18,.05) 1px,transparent 1px),
    linear-gradient(145deg,#fffdf9 0%,#edf2ee 100%);
  background-size:42px 42px,42px 42px,100% 100%;
  box-shadow:var(--shadow);
}
.home-page .command{
  min-height:540px;
  border-radius:4px;
  box-shadow:0 16px 46px rgba(15,20,18,.075);
}
.command::before{
  content:"SUIMI QUNKE";
  position:absolute;
  top:28px;
  right:28px;
  color:rgba(15,20,18,.12);
  font-size:11px;
  font-weight:900;
  letter-spacing:.18em;
}
.command-core{
  position:absolute;
  left:50%;
  top:42%;
  transform:translate(-50%,-50%);
  width:176px;
  height:176px;
  display:grid;
  place-items:center;
  border:1px solid rgba(15,20,18,.18);
  border-radius:8px;
  background:#fff;
  box-shadow:0 24px 70px rgba(15,20,18,.13);
}
.home-page .command-core{width:156px;height:156px;border-radius:4px}
.command-core strong{
  color:var(--red);
  font-family:var(--font-hero);
  font-size:82px;
  line-height:1;
}
.axis{
  position:absolute;
  width:166px;
  min-height:82px;
  display:grid;
  align-content:center;
  gap:4px;
  padding:15px;
  border:1px solid rgba(15,20,18,.13);
  border-radius:8px;
  background:rgba(255,255,255,.84);
  box-shadow:0 14px 36px rgba(15,20,18,.08);
}
.axis b{font-size:16px;color:var(--ink)}
.axis small,.mini{
  color:var(--muted);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.a1{left:34px;top:126px}.a2{right:34px;top:108px}.a3{right:46px;bottom:148px}.a4{left:56px;bottom:118px}.a5{left:50%;bottom:34px;transform:translateX(-50%)}
.timeline{
  position:absolute;
  left:34px;
  right:34px;
  bottom:28px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  border:1px solid rgba(15,20,18,.12);
  background:rgba(15,20,18,.12);
}
.timeline span{
  min-height:58px;
  padding:10px 12px;
  color:var(--ink-2);
  background:rgba(255,255,255,.78);
  font-size:12px;
  font-weight:780;
}
.section{
  padding:clamp(76px,9vw,130px) clamp(20px,5vw,88px);
  border-top:1px solid rgba(15,20,18,.09);
}
.section.white{background:var(--paper-2)}
.section-head{
  display:grid;
  grid-template-columns:190px minmax(0,1fr);
  gap:42px;
  align-items:start;
  margin-bottom:48px;
}
.label{
  color:var(--muted);
  font-size:13px;
  font-weight:900;
  letter-spacing:.16em;
  text-transform:uppercase;
}
h2{
  margin:0;
  max-width:1040px;
  font-size:64px;
  line-height:1.06;
  letter-spacing:0;
  font-family:var(--font-display);
  font-weight:700;
}
.thesis{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(320px,.42fr);
  gap:1px;
  border:1px solid rgba(15,20,18,.12);
  background:rgba(15,20,18,.12);
}
.thesis-main,.thesis-side{
  background:#fff;
  padding:clamp(30px,4vw,56px);
}
.thesis-main p{
  max-width:940px;
  margin:0;
  color:var(--ink-2);
  font-size:clamp(24px,3vw,40px);
  line-height:1.36;
  font-weight:790;
}
.company-statement{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(320px,.42fr);
  gap:1px;
  border:1px solid rgba(15,20,18,.12);
  background:rgba(15,20,18,.12);
}
.company-statement-main,
.company-statement-side{
  background:#fff;
  padding:clamp(34px,5vw,68px);
}
.company-statement-main{
  min-height:430px;
  display:grid;
  align-content:space-between;
  gap:48px;
}
.company-statement-main p{
  max-width:960px;
  margin:0;
  color:var(--ink-2);
  font-size:clamp(28px,4vw,56px);
  line-height:1.16;
  font-weight:900;
}
.company-statement-side{
  display:grid;
  align-content:end;
}
.company-statement-side p{
  margin:0;
  color:var(--muted);
  font-size:18px;
  line-height:1.75;
}
.company-principles{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  border:1px solid rgba(15,20,18,.12);
  background:rgba(15,20,18,.12);
}
.company-principle{
  min-height:300px;
  display:grid;
  align-content:space-between;
  gap:28px;
  padding:32px;
  background:#fff;
}
.company-principle b{
  color:var(--green);
  font-size:12px;
  font-weight:900;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.company-principle h3{
  margin:0;
  font-size:clamp(28px,3.1vw,42px);
  line-height:1.1;
}
.company-principle p{
  margin:0;
  color:var(--muted);
}
.origin-feature{
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  gap:0;
  align-items:stretch;
  overflow:hidden;
  border:1px solid rgba(15,20,18,.14);
  border-radius:4px;
  box-shadow:0 24px 70px rgba(15,20,18,.08);
}
.origin-poem{
  min-height:500px;
  display:grid;
  align-content:space-between;
  padding:clamp(30px,5vw,56px);
  color:#f6f3ec;
  background:
    linear-gradient(145deg,rgba(150,50,68,.22),transparent 48%),
    #24362f;
}
.origin-poem small{
  color:#cbd4d0;
  font-family:var(--font-latin);
  font-size:12px;
  font-weight:800;
  letter-spacing:.06em;
  text-transform:uppercase;
}
.origin-poem strong{
  font-family:var(--font-cultural);
  font-size:clamp(52px,6.3vw,92px);
  line-height:1.08;
  font-weight:600;
}
.origin-explain{
  min-height:500px;
  display:grid;
  align-content:end;
  gap:22px;
  padding:clamp(30px,5vw,56px);
  border-left:1px solid rgba(15,20,18,.14);
  background:#fff;
}
.origin-explain p{
  max-width:700px;
  margin:0;
  color:var(--ink-2);
  font-size:23px;
  line-height:1.75;
}
.company-page .origin-feature{
  max-width:1640px;
  grid-template-columns:minmax(320px,.72fr) minmax(0,1.28fr);
  margin:0 auto;
  box-shadow:0 18px 52px rgba(15,20,18,.065);
}
.company-page .origin-poem,
.company-page .origin-explain{min-height:382px}
.company-page .origin-poem{align-content:end;padding:clamp(30px,4vw,52px)}
.company-page .origin-poem strong{font-size:76px}
.company-page .origin-explain{padding:clamp(34px,4.5vw,64px);gap:18px}
.company-page .origin-explain p:first-of-type{
  max-width:760px;
  font-family:var(--font-serif);
  font-size:22px;
  font-weight:500;
  line-height:1.76;
}
.company-page .origin-explain p:last-of-type{
  max-width:820px;
  color:var(--muted);
  font-family:var(--font-sans);
  font-size:18px;
  line-height:1.82;
}
.label,.kicker,.siwo-statement-label,.access-number{
  font-family:var(--font-latin);
  letter-spacing:.08em;
}
.signal-strip b,.card b,.company-contact-item b,.command::before{
  font-family:var(--font-latin);
  font-weight:800;
  letter-spacing:.06em;
}
.thesis-side{
  min-height:350px;
  display:grid;
  align-content:end;
}
.thesis-side p{
  margin:0;
  color:var(--muted);
  font-size:17px;
}
.proof,.grid-4,.grid-3{
  display:grid;
  gap:1px;
  border:1px solid rgba(15,20,18,.12);
  background:rgba(15,20,18,.12);
}
.proof,.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{
  position:relative;
  min-height:230px;
  display:grid;
  align-content:space-between;
  gap:24px;
  padding:28px;
  background:#fff;
}
.card.tall{min-height:288px}
.card.dark{
  color:#fff;
  background:
    linear-gradient(135deg,rgba(159,47,63,.24),transparent 46%),
    var(--dark);
}
.card b{color:var(--green);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.card.dark b{color:#dce7e2}
.card h3{
  margin:0;
  font-family:var(--font-display);
  font-weight:700;
  font-size:27px;
  line-height:1.16;
}
.card p{
  margin:0;
  color:var(--muted);
}
.card.dark p{color:#d7dfdb}
.matrix{
  display:grid;
  grid-template-columns:1.15fr .95fr .95fr;
  gap:16px;
}
.product-panel{
  min-height:284px;
  display:grid;
  align-content:space-between;
  gap:24px;
  padding:26px;
  border:1px solid rgba(15,20,18,.12);
  border-radius:8px;
  background:#fff;
  box-shadow:0 12px 30px rgba(15,20,18,.045);
}
.product-panel.blank{
  background:
    linear-gradient(90deg,rgba(15,20,18,.04) 1px,transparent 1px),
    linear-gradient(0deg,rgba(15,20,18,.032) 1px,transparent 1px),
    #fff;
  background-size:38px 38px,38px 38px,100% 100%;
}
.product-panel.featured{
  min-height:584px;
  grid-row:span 2;
  color:#fff;
  background:
    linear-gradient(160deg,rgba(159,47,63,.24),transparent 44%),
    var(--ink);
}
.product-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.product-icon{
  width:62px;
  height:62px;
  display:grid;
  place-items:center;
  overflow:hidden;
  border:1px solid rgba(15,20,18,.12);
  border-radius:8px;
  background:#f1f2ee;
  color:var(--red);
  font-family:var(--font-hero);
  font-size:30px;
  font-weight:900;
}
.featured .product-icon{border-color:rgba(255,255,255,.24);background:#fff}
.product-icon img{width:50px;height:50px;border-radius:8px;object-fit:cover}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  padding:0 10px;
  border:1px solid rgba(31,103,86,.24);
  border-radius:999px;
  color:var(--green);
  background:rgba(31,103,86,.08);
  font-size:12px;
  font-weight:880;
  white-space:nowrap;
}
.featured .tag{color:#fff;border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.10)}
.product-panel h3{margin:0 0 10px;font-size:clamp(26px,3.2vw,42px);line-height:1.12}
.product-panel p{margin:0;color:var(--muted);font-size:16px}
.featured p{color:#d9e0dc}
.product-meta{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  margin-top:26px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.16);
}
.product-meta span{padding:14px;color:#eef4f0;background:rgba(255,255,255,.08);font-size:13px}
.origin-card{
  min-height:380px;
  display:grid;
  align-content:space-between;
  padding:36px;
  border-radius:8px;
  color:#fff;
  background:
    linear-gradient(135deg,rgba(159,47,63,.28),transparent 48%),
    var(--ink);
}
.origin-card small{color:#cbd4d0;font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}
.origin-card strong{
  font-family:var(--font-hero);
  font-size:clamp(42px,6vw,82px);
  line-height:1.08;
}
.contact{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
  padding:clamp(38px,5vw,64px);
  border-radius:4px;
  color:#fff;
  background:
    linear-gradient(135deg,rgba(159,47,63,.23),transparent 48%),
    var(--ink);
}
.home-page .contact{max-width:1500px;margin:0 auto;padding:clamp(34px,4vw,52px)}
.contact h2{max-width:880px}
.contact p{max-width:780px;margin:18px 0 0;color:#d6dfda;font-size:18px}
.contact-actions{display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap}
.contact-actions a{
  min-height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 16px;
  border:1px solid rgba(255,255,255,.32);
  border-radius:4px;
  color:#fff;
  font-weight:850;
}
.contact-actions a:first-child{color:var(--ink);background:#fff}
.company-contact-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  border:1px solid rgba(15,20,18,.12);
  background:rgba(15,20,18,.12);
}
.contact-page .company-contact-grid{
  max-width:1380px;
  margin:0 auto;
  gap:0;
  border:0;
  border-top:1px solid rgba(15,20,18,.16);
  background:transparent;
}
.company-contact-item{
  min-height:230px;
  display:grid;
  align-content:space-between;
  gap:28px;
  padding:30px;
  background:#fff;
}
.contact-page .company-contact-item{
  min-height:190px;
  border-bottom:1px solid rgba(15,20,18,.16);
  background:transparent;
}
.contact-page .company-contact-item:nth-child(odd){border-right:1px solid rgba(15,20,18,.16)}
.company-contact-item b{
  color:var(--green);
  font-size:12px;
  font-weight:900;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.company-contact-item h3{
  margin:0;
  font-family:var(--font-display);
  font-weight:700;
  font-size:28px;
  line-height:1.16;
}
.contact-blank-line{
  display:block;
  width:100%;
  height:1px;
  background:rgba(15,20,18,.14);
}
.product-page .siwo-access .section-head h2{font-size:54px}
.product-page .access-list{max-width:1560px;margin:0 auto}
.footer{
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding:28px clamp(20px,5vw,88px);
  color:var(--muted);
  border-top:1px solid rgba(15,20,18,.09);
  font-size:13px;
}
.filing-inline{white-space:nowrap}
.filing-inline a{color:inherit;text-decoration:none;transition:color .2s ease}
.filing-inline a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
@keyframes content-rise{
  from{opacity:0;transform:translateY(18px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes art-arrive{
  from{opacity:0;transform:translateY(calc(-50% + 16px)) scale(.985)}
  to{opacity:1;transform:translateY(-50%) scale(1)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
@media (min-width:1141px){
  .company-page .page-hero{align-items:center}
  .company-page .company-hero-art{min-height:448px}
}
@media (max-width:1140px){
  .hero,.page-hero,.section-head,.thesis,.contact,.company-statement,.origin-feature{grid-template-columns:1fr}
  .home-page .hero{grid-template-columns:1fr}
  h1{font-size:72px}
  .page-hero h1{font-size:68px}
  h2{font-size:52px}
  .siwo-hero h1{font-size:140px}
  .siwo-tagline{font-size:36px}
  .siwo-statement h2{font-size:68px}
  .hero,.page-hero{gap:clamp(44px,7vw,72px)}
  .page-hero{align-items:start}
  .company-hero-art{min-height:500px}
  .signal-strip,.proof,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .company-principles{grid-template-columns:1fr}
  .matrix{grid-template-columns:1fr 1fr}
  .product-panel.featured{grid-column:1/-1;min-height:430px}
  .contact-actions{justify-content:flex-start}
  .origin-explain{border-left:0;border-top:1px solid rgba(15,20,18,.14)}
  .company-page .origin-feature{grid-template-columns:1fr;max-width:840px}
  .company-page .origin-poem,
  .company-page .origin-explain{min-height:340px}
  .company-page .page-hero h1{font-size:64px}
  .company-page .origin-poem strong{font-size:64px}
}
@media (max-width:900px){
  .siwo-hero-copy{width:min(620px,64vw)}
  .siwo-hero h1{font-size:118px}
  .siwo-art{right:-8px;width:min(48vw,520px)}
  .siwo-art::before{right:8%;top:7%}
}
@media (max-width:760px){
  .nav{position:relative;align-items:flex-start;flex-direction:column;gap:10px;padding-top:14px;padding-bottom:9px}
  .nav-links{
    width:100%;
    justify-content:flex-start;
    flex-wrap:nowrap;
    overflow-x:auto;
    padding-bottom:5px;
    scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
  }
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a,.product-menu summary{min-height:44px;padding-left:10px;padding-right:10px;white-space:nowrap;font-size:13px}
  .nav-links .nav-cta{margin-left:2px}
  .product-dropdown{left:0;right:auto}
  h1{font-size:48px}
  .page-hero h1{font-size:48px}
  .company-page .page-hero h1{font-size:48px}
  h2{font-size:35px}
  .lead{font-size:17px}
  .hero{min-height:auto;padding-top:58px;padding-bottom:68px}
  .page-hero{padding-top:60px;padding-bottom:54px}
  .section,.siwo-access{padding-top:66px;padding-bottom:66px}
  .section-head{gap:18px;margin-bottom:34px}
  .signal-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .signal-strip span:nth-child(odd){border-left:0}
  .proof,.grid-3,.grid-4,.matrix{grid-template-columns:1fr}
  .siwo-statement{grid-template-columns:1fr}
  .company-contact-grid{grid-template-columns:1fr}
  .contact-page .company-contact-grid{grid-template-columns:1fr}
  .contact-page .company-contact-item:nth-child(odd){border-right:0}
  .signal-strip span{min-height:96px}
  .command{min-height:530px}
  .home-page .command{min-height:500px}
  .command-core{width:124px;height:124px}
  .home-page .command-core{width:124px;height:124px}
  .command-core strong{font-size:58px}
  .axis{width:132px;min-height:68px;padding:12px}
  .a1{left:18px;top:86px}.a2{right:18px;top:68px}.a3{right:18px;bottom:154px}.a4{left:18px;bottom:126px}.a5{bottom:22px}
  .timeline{display:none}
  .thesis-side{min-height:190px}
  .product-panel.featured{min-height:390px}
  .product-meta{grid-template-columns:1fr}
  .siwo-hero{min-height:740px;align-items:flex-start;padding-top:70px;padding-bottom:54px}
  .siwo-hero-copy{width:100%}
  .siwo-hero h1{font-size:96px}
  .siwo-tagline{font-size:30px}
  .siwo-intro{max-width:86%;font-size:16px}
  .siwo-art{width:450px;right:-132px;top:auto;bottom:-72px;transform:none;opacity:.68}
  .siwo-art{animation:none}
  .siwo-art::after{background:linear-gradient(180deg,#f0f4f1 0%,rgba(240,244,241,.76) 26%,rgba(240,244,241,.15) 62%,transparent 84%)}
  .siwo-index{display:none}
  .siwo-statement{gap:30px;padding-top:76px;padding-bottom:76px}
  .siwo-statement h2{font-size:48px}
  .product-page .siwo-access .section-head h2{font-size:35px}
  .siwo-statement-copy p{font-size:20px}
  .access-row{grid-template-columns:44px minmax(0,1fr);gap:16px;padding:24px 0}
  .access-row strong,.access-status{grid-column:2}
  .access-row.available:hover{padding:24px 12px}
  .origin-poem,.origin-explain{min-height:450px}
  .origin-explain p{font-size:20px}
  .company-page .origin-poem,
  .company-page .origin-explain{min-height:320px}
  .company-page .origin-poem strong{font-size:52px}
  .company-page .origin-explain p:first-of-type{font-size:20px}
  .company-page .origin-explain p:last-of-type{font-size:17px}
  .footer{padding-top:24px;padding-bottom:24px}
}
@media (max-width:480px){
  .nav{padding-left:16px;padding-right:16px}
  .brand{font-size:15px}
  .mark{width:34px;height:34px}
  .nav-links a,.product-menu summary{padding-left:8px;padding-right:8px;font-size:12px}
  h1,.page-hero h1{font-size:40px;line-height:1.08}
  .company-page .page-hero h1{font-size:40px;line-height:1.08}
  .mobile-break{display:inline}
  h2{font-size:32px;line-height:1.12}
  .product-page .siwo-access .section-head h2{font-size:32px}
  .eyebrow{gap:9px;margin-bottom:16px;font-size:11px}
  .eyebrow::before{width:24px}
  .hero,.page-hero,.section,.siwo-access{padding-left:18px;padding-right:18px}
  .hero{padding-top:48px}
  .page-hero{padding-top:50px;padding-bottom:46px}
  .hero-actions,.actions,.siwo-actions{gap:8px}
  .button{min-height:44px;padding:0 15px;font-size:14px}
  .signal-strip{margin-top:40px}
  .signal-strip span{min-height:88px;padding:14px}
  .command{min-height:480px}
  .home-page .command{min-height:460px}
  .command-core{top:40%;width:108px;height:108px}
  .home-page .command-core{width:108px;height:108px}
  .command-core strong{font-size:50px}
  .axis{width:116px;min-height:62px;padding:10px}
  .axis b{font-size:12px}
  .a1{left:12px;top:76px}.a2{right:12px;top:62px}.a3{right:12px;bottom:128px}.a4{left:12px;bottom:112px}.a5{bottom:18px}
  .company-hero-art{min-height:480px}
  .company-seal{left:20px;right:20px;top:132px;width:auto;padding:0}
  .company-seal span{font-size:14px;line-height:1.7}
  .origin-poem,.origin-explain{min-height:410px;padding:30px 24px}
  .origin-poem strong{font-size:52px;line-height:1.12}
  .origin-explain p{font-size:18px;line-height:1.75}
  .company-page .origin-poem,
  .company-page .origin-explain{min-height:300px;padding:28px 24px}
  .company-page .origin-poem strong{font-size:48px}
  .card,.card.tall{min-height:250px;padding:24px}
  .siwo-hero{min-height:700px;padding:56px 18px 46px}
  .siwo-hero h1{font-size:82px}
  .siwo-tagline{font-size:26px}
  .siwo-intro{max-width:100%;font-size:15px;line-height:1.75}
  .siwo-art{width:390px;right:-126px;bottom:-42px;opacity:.62}
  .siwo-art::before{display:none}
  .siwo-statement{padding:64px 18px;gap:26px}
  .siwo-statement h2{font-size:40px}
  .siwo-statement-copy p{margin-top:28px;font-size:18px}
  .access-row{min-height:112px}
  .access-row h3{font-size:24px}
  .company-contact-item{min-height:190px;padding:24px}
  .contact{padding:30px 24px}
  .home-page .contact{padding:30px 24px}
  .footer{flex-direction:column;gap:8px;padding-left:18px;padding-right:18px}
}

/* ============================================================
   2026-07-19 官网改版：东方书信方向（产品页旗舰版）
   新增组件：hero-letter / evidence(微信证据屏) / trust(承诺印章)
   pricing(定价) / finale(深色收尾) / reveal(滚动浮现)
   ============================================================ */

/* ---------- Hero：一句话 + 盖印 ---------- */
.hero-letter{
  position:relative;
  min-height:calc(100svh - 76px);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:clamp(72px,9vw,120px) clamp(20px,5vw,88px) clamp(84px,9vw,124px);
  background:linear-gradient(112deg,#f0f4f1 0%,#f6f6f2 55%,#f7eeea 100%);
  overflow:hidden;
  isolation:isolate;
}
.hero-letter::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    linear-gradient(90deg,rgba(15,20,18,.04) 1px,transparent 1px),
    linear-gradient(0deg,rgba(15,20,18,.03) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse at center,#000 28%,transparent 78%);
  mask-image:radial-gradient(ellipse at center,#000 28%,transparent 78%);
}
.hero-letter .eyebrow{justify-content:center;margin-bottom:8px}
.hero-letter .eyebrow::before{display:none}
.letter-title{
  position:relative;
  margin:26px 0 0;
  max-width:none;
  font-family:var(--font-hero);
  font-weight:900;
  font-size:clamp(58px,10.5vw,148px);
  line-height:1.14;
  letter-spacing:.06em;
  color:var(--ink);
  animation:content-rise .7s cubic-bezier(.2,.7,.2,1) both;
}
.letter-seal{
  position:relative;
  display:inline-grid;
  place-items:center;
  width:1.3em;
  height:1.3em;
  margin-left:.2em;
  vertical-align:-.16em;
  border-radius:.09em;
  color:#fff;
  background:var(--red);
  box-shadow:0 .06em .24em rgba(150,50,68,.32);
  transform:rotate(-8deg);
  animation:seal-stamp .55s cubic-bezier(.3,.9,.3,1) .95s both;
}
.letter-seal i{
  display:block;
  font-family:var(--font-hero);
  font-style:normal;
  font-weight:900;
  font-size:.36em;
  line-height:1.02;
  letter-spacing:0;
}
@keyframes seal-stamp{
  0%{opacity:0;transform:scale(2.3) rotate(-20deg)}
  55%{opacity:1;transform:scale(.94) rotate(-6deg)}
  78%{transform:scale(1.05) rotate(-9deg)}
  100%{opacity:1;transform:scale(1) rotate(-8deg)}
}
.letter-sub{
  margin:clamp(26px,3vw,38px) 0 0;
  color:var(--ink-2);
  font-size:clamp(17px,2vw,23px);
  line-height:1.7;
  animation:content-rise .7s cubic-bezier(.2,.7,.2,1) .28s both;
}
.letter-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:12px;
  margin-top:clamp(32px,4vw,46px);
  animation:content-rise .7s cubic-bezier(.2,.7,.2,1) .5s both;
}
.hero-letter .scroll-hint{
  position:absolute;
  left:50%;
  bottom:26px;
  transform:translateX(-50%);
  color:rgba(15,20,18,.42);
  font-size:11px;
  font-weight:800;
  letter-spacing:.22em;
  text-transform:uppercase;
  writing-mode:vertical-rl;
  animation:content-rise .8s ease 1.4s both;
}

/* ---------- Evidence：微信聊天证据屏 ---------- */
.evidence{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(330px,440px);
  gap:clamp(48px,7vw,120px);
  align-items:center;
  padding:clamp(92px,11vw,168px) clamp(20px,5vw,88px);
  background:#fff;
  border-top:1px solid rgba(15,20,18,.09);
}
.evidence-copy .kicker{
  color:var(--red);
  font-size:12px;
  font-weight:900;
  letter-spacing:.14em;
  text-transform:uppercase;
}
.evidence-copy h2{
  margin:18px 0 0;
  max-width:640px;
  font-family:var(--font-hero);
  font-weight:900;
  font-size:clamp(38px,4.8vw,70px);
  line-height:1.22;
  letter-spacing:.01em;
}
.evidence-copy>p{
  max-width:560px;
  margin:26px 0 0;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
}
.evidence-note{
  margin-top:34px;
  padding-top:18px;
  border-top:1px solid rgba(15,20,18,.12);
  font-size:13px;
}
.phone{
  width:min(400px,100%);
  margin:0 auto;
  padding:11px;
  border:1px solid rgba(15,20,18,.18);
  border-radius:46px;
  background:#101a15;
  box-shadow:0 44px 96px rgba(15,20,18,.24);
}
.phone-screen{
  overflow:hidden;
  border-radius:36px;
  background:#ededed;
}
.phone-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:15px 18px;
  background:#f7f7f7;
  border-bottom:1px solid rgba(15,20,18,.07);
}
.phone-nav b{font-size:16px;font-weight:700;color:#0f1713}
.phone-nav .phone-back{color:#6a7770;font-size:22px;line-height:1}
.phone-nav .phone-more{color:#6a7770;font-size:16px;letter-spacing:.1em}
.chat-body{
  min-height:400px;
  display:flex;
  flex-direction:column;
  gap:15px;
  padding:24px 16px 32px;
  background:#ededed;
}
.chat-time{
  align-self:center;
  margin:2px 0;
  color:#9aa39e;
  font-size:12px;
}
.bubble{
  max-width:80%;
  padding:11px 14px;
  border-radius:9px;
  font-size:15px;
  line-height:1.62;
  box-shadow:0 1px 2px rgba(15,20,18,.07);
}
.bubble.user{
  align-self:flex-end;
  border-top-right-radius:3px;
  color:#0b1511;
  background:#95ec69;
}
.bubble.role{
  align-self:flex-start;
  border-top-left-radius:3px;
  color:#0f1713;
  background:#fff;
}
.bubble.role-hi{
  box-shadow:0 0 0 1.5px rgba(150,50,68,.38),0 10px 26px rgba(150,50,68,.10);
}

/* ---------- Trust：三枚承诺印章 ---------- */
.trust{
  padding:clamp(84px,10vw,148px) clamp(20px,5vw,88px);
  border-top:1px solid rgba(15,20,18,.09);
}
.trust .section-head{margin-bottom:44px}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  border:1px solid rgba(15,20,18,.14);
  background:rgba(15,20,18,.14);
}
.trust-grid article{
  display:grid;
  align-content:start;
  gap:16px;
  min-height:250px;
  padding:36px 32px;
  background:var(--paper);
}
.mini-seal{
  width:54px;
  height:54px;
  display:grid;
  place-items:center;
  border:1.6px solid var(--red);
  border-radius:7px;
  color:var(--red);
  background:rgba(150,50,68,.045);
  font-family:var(--font-serif);
  font-size:19px;
  font-weight:900;
  letter-spacing:.02em;
  transform:rotate(-4deg);
}
.trust-grid h3{margin:0;font-size:21px;font-weight:800}
.trust-grid p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}

/* ---------- Pricing：明码标价 ---------- */
.pricing{
  padding:clamp(84px,10vw,148px) clamp(20px,5vw,88px);
  background:#fff;
  border-top:1px solid rgba(15,20,18,.09);
}
.pricing .section-head{margin-bottom:48px}
.price-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  align-items:stretch;
}
.price-card{
  position:relative;
  display:flex;
  flex-direction:column;
  padding:36px 32px 32px;
  border:1px solid rgba(15,20,18,.14);
  border-radius:8px;
  background:var(--paper);
  transition:transform .2s ease,box-shadow .2s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:0 22px 54px rgba(15,20,18,.10)}
.price-card .plan{color:var(--muted);font-size:14px;font-weight:850;letter-spacing:.08em}
.price-card .amount{
  margin-top:16px;
  color:var(--ink);
  font-family:var(--font-display);
  font-size:54px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.01em;
}
.price-card .amount span{font-size:26px;font-weight:700;vertical-align:.42em;margin-right:2px}
.price-card .amount small{margin-left:6px;color:var(--muted);font-size:15px;font-weight:600}
.price-card ul{
  flex:1;
  display:grid;
  align-content:start;
  gap:11px;
  margin:26px 0 28px;
  padding:24px 0 0;
  border-top:1px solid rgba(15,20,18,.10);
  list-style:none;
}
.price-card li{
  position:relative;
  padding-left:18px;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.65;
}
.price-card li::before{
  content:"";
  position:absolute;
  left:0;
  top:.68em;
  width:9px;
  height:1.6px;
  background:var(--red);
}
.price-card.featured{
  color:#fff;
  border:1px solid rgba(150,50,68,.5);
  background:#16211c;
  box-shadow:0 34px 76px rgba(15,20,18,.30);
  transform:translateY(-12px);
}
.price-card.featured::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  z-index:1;
  height:2px;
  background:linear-gradient(90deg,transparent 8%,var(--red),transparent 92%);
}
.price-card.featured:hover{transform:translateY(-16px)}
.price-card.featured .plan{color:#c8d2cd}
.price-card.featured .amount{color:#fff}
.price-card.featured .amount small{color:#a9b5ae}
.price-card.featured ul{border-top-color:rgba(255,255,255,.16)}
.price-card.featured li{color:#dde4df}
.price-card.featured .button.light{color:#fff;background:var(--red);border-color:var(--red)}
.price-card.featured .button.light:hover{color:#fff;background:#7f2a39;border-color:#7f2a39}
.choice-seal{
  position:absolute;
  top:-15px;
  right:24px;
  width:max-content;
  padding:7px 13px;
  border-radius:4px;
  color:#fff;
  background:var(--red);
  box-shadow:0 12px 28px rgba(150,50,68,.36);
  font-size:12px;
  font-weight:900;
  letter-spacing:.10em;
  transform:rotate(-3deg);
}
.pricing-note{
  margin:34px 0 0;
  color:var(--muted);
  font-size:13.5px;
  line-height:1.8;
  text-align:center;
}

/* ---------- Finale：深色收尾 ---------- */
.finale{
  position:relative;
  padding:clamp(110px,14vw,196px) clamp(20px,5vw,88px);
  text-align:center;
  color:#fff;
  background:
    linear-gradient(180deg,rgba(159,47,63,.16),transparent 46%),
    #24362f;
  overflow:hidden;
}
.finale::before{
  content:"邃";
  position:absolute;
  right:-30px;
  bottom:-90px;
  color:rgba(255,255,255,.05);
  font-family:var(--font-hero);
  font-size:clamp(260px,30vw,460px);
  font-weight:900;
  line-height:.82;
  pointer-events:none;
}
.finale-line{
  position:relative;
  margin:0;
  font-family:var(--font-hero);
  font-size:clamp(40px,6vw,86px);
  font-weight:900;
  letter-spacing:.05em;
  line-height:1.2;
}
.finale-note{
  position:relative;
  max-width:560px;
  margin:30px auto 0;
  color:#aebbb3;
  font-size:15.5px;
  line-height:1.9;
}
.finale-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:40px;
  padding-bottom:4px;
  border-bottom:1px solid rgba(255,255,255,.35);
  color:#fff;
  font-size:15px;
  font-weight:800;
  transition:border-color .18s ease,color .18s ease;
}
.finale-link:hover{color:#e9c9cf;border-bottom-color:var(--red)}

/* ---------- 滚动浮现（仅在 JS 可用时启用隐藏态） ---------- */
.js .reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.2,1);
}
.js .reveal.in{opacity:1;transform:none}
.chat-body .reveal:nth-child(2){transition-delay:.06s}
.chat-body .reveal:nth-child(3){transition-delay:.16s}
.chat-body .reveal:nth-child(4){transition-delay:.34s}
.chat-body .reveal:nth-child(5){transition-delay:.5s}
.chat-body .reveal:nth-child(6){transition-delay:.62s}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .letter-seal{animation:none;opacity:1}
}

/* ---------- 响应式 ---------- */
@media (max-width:1140px){
  .evidence{grid-template-columns:1fr;gap:54px}
  .evidence-copy h2{max-width:100%}
  .phone{width:min(400px,88%)}
}
@media (max-width:760px){
  .hero-letter{min-height:auto;padding-top:76px;padding-bottom:88px}
  .letter-title{font-size:clamp(44px,13.5vw,84px);letter-spacing:.045em;line-height:1.2;white-space:nowrap}
  .letter-seal{
    display:grid;
    margin:clamp(20px,3.5vh,30px) auto 0;
    width:clamp(66px,10vw,88px);
    height:clamp(66px,10vw,88px);
    vertical-align:initial;
  }
  .letter-seal i{font-size:clamp(21px,3vw,28px)}
  .evidence{padding-top:72px;padding-bottom:72px}
  .trust-grid{grid-template-columns:1fr}
  .trust-grid article{min-height:0;padding:28px 24px}
  .price-grid{grid-template-columns:1fr;gap:14px}
  .price-card.featured{transform:none}
  .price-card.featured:hover{transform:translateY(-4px)}
  .choice-seal{top:-13px;right:18px}
  .chat-body{min-height:360px}
  .finale-line{letter-spacing:.03em}
}
@media (max-width:480px){
  .hero-letter{padding-left:18px;padding-right:18px}
  .letter-title{font-size:clamp(40px,13.8vw,56px)}
  .letter-actions .button{width:100%;justify-content:center}
  .evidence,.trust,.pricing{padding-left:18px;padding-right:18px}
  .evidence-copy h2{font-size:32px}
  .phone{padding:9px;border-radius:38px;width:100%}
  .phone-screen{border-radius:30px}
  .bubble{font-size:14px}
  .price-card{padding:30px 24px 26px}
  .price-card .amount{font-size:46px}
  .finale{padding-left:18px;padding-right:18px}
}

/* 联系页真实信息条目 */
.company-contact-item p{margin:8px 0 0;color:var(--muted);font-size:15px;line-height:1.75}

/* ============================================================
   2026-07-19 二次修改：真实商标 logo、梅花回归、导航「关于我们」
   ============================================================ */

/* 导航品牌：商标图形标 */
.brand .mark-logo{
  width:36px;
  height:36px;
  display:block;
  border-radius:6px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.brand:hover .mark-logo{transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,20,18,.16)}

/* Hero 梅花：雪中之梅，安静落在纸角 */
.hero-plum{
  position:absolute;
  z-index:0;
  right:clamp(20px,6vw,110px);
  bottom:clamp(16px,4vh,60px);
  width:clamp(150px,17vw,270px);
  pointer-events:none;
}
.hero-plum img{
  width:100%;
  height:auto;
  opacity:.9;
  mix-blend-mode:multiply;
  filter:saturate(.92);
  -webkit-mask-image:radial-gradient(circle at 50% 46%,#000 52%,transparent 76%);
  mask-image:radial-gradient(circle at 50% 46%,#000 52%,transparent 76%);
  animation:plum-breathe 6s ease-in-out 1s infinite;
}
@keyframes plum-breathe{
  0%,100%{transform:scale(1);opacity:.86}
  50%{transform:scale(1.05);opacity:1}
}
.hero-letter .eyebrow,.letter-title,.letter-sub,.letter-actions{position:relative;z-index:1}
@media (prefers-reduced-motion:reduce){
  .hero-plum{animation:none;opacity:1}
}
@media (max-width:760px){
  .hero-plum{right:-30px;bottom:-8px;width:180px;opacity:.72}
}

/* 聊天头像：角色是梅花，用户是墨色 */
.bubble.role{margin-left:46px}
.bubble.role::before{
  content:"";
  position:absolute;
  left:-46px;
  top:0;
  width:36px;
  height:36px;
  border-radius:7px;
  background:#fff url('./promo-plum-icon-blend-sm.png') center/cover;
  box-shadow:0 1px 3px rgba(15,20,18,.16);
}
.bubble{position:relative}
.bubble.user{margin-right:46px}
.bubble.user::after{
  content:"我";
  position:absolute;
  right:-46px;
  top:0;
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  border-radius:7px;
  color:#fff;
  background:#4a5a52;
  font-size:15px;
  font-weight:700;
  box-shadow:0 1px 3px rgba(15,20,18,.16);
}
@media (max-width:480px){
  .bubble.role{margin-left:42px}
  .bubble.role::before{left:-42px;width:32px;height:32px}
  .bubble.user{margin-right:42px}
  .bubble.user::after{right:-42px;width:32px;height:32px;font-size:14px}
}

/* 宣纸颗粒：覆盖全页的极淡纸纹，统一质感 */
.page-grain{
  position:fixed;
  inset:0;
  z-index:60;
  pointer-events:none;
  opacity:.05;
  mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* 落款：产品页结尾的公司署名（替代原大黑屏 finale） */
.colophon{
  padding:clamp(64px,9vw,112px) clamp(20px,5vw,88px);
  text-align:center;
  border-top:1px solid rgba(15,20,18,.09);
}
.colophon-line{
  margin:0;
  font-family:var(--font-hero);
  font-weight:900;
  font-size:clamp(20px,2.6vw,30px);
  letter-spacing:.10em;
  color:var(--ink-2);
}
.colophon-link{
  display:inline-block;
  margin-top:22px;
  color:var(--muted);
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  border-bottom:1px solid rgba(15,20,18,.25);
  padding-bottom:3px;
  transition:color .18s ease,border-color .18s ease;
}
.colophon-link:hover{color:var(--red);border-bottom-color:var(--red)}

/* ============================================================
   2026-07-19 公司首页 hero（与产品页同一语言）
   ============================================================ */
.co-hero{
  position:relative;
  min-height:calc(100svh - 76px);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:clamp(72px,9vw,120px) clamp(20px,5vw,88px) clamp(84px,9vw,124px);
  background:linear-gradient(112deg,#f0f4f1 0%,#f6f6f2 55%,#f7eeea 100%);
  overflow:hidden;
  isolation:isolate;
}
.co-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    linear-gradient(90deg,rgba(15,20,18,.04) 1px,transparent 1px),
    linear-gradient(0deg,rgba(15,20,18,.03) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse at center,#000 28%,transparent 78%);
  mask-image:radial-gradient(ellipse at center,#000 28%,transparent 78%);
}
.co-hero .eyebrow{justify-content:center;margin-bottom:clamp(34px,5vh,52px)}
.co-hero .eyebrow::before{display:none}
.co-quiet{
  margin:0 0 clamp(18px,2.6vh,26px);
  color:var(--ink-2);
  font-size:clamp(17px,2vw,22px);
  font-weight:500;
  letter-spacing:.10em;
  animation:content-rise .8s cubic-bezier(.2,.7,.2,1) .25s both;
}
.co-title{
  margin:0;
  max-width:none;
  font-family:var(--font-hero);
  font-weight:900;
  font-size:clamp(44px,7.6vw,104px);
  line-height:1.32;
  letter-spacing:.07em;
  color:var(--ink);
  animation:content-rise .9s cubic-bezier(.2,.7,.2,1) .55s both;
}
.co-mark{
  width:clamp(84px,9vw,124px);
  height:auto;
  margin-top:clamp(34px,5vh,52px);
  border-radius:10px;
  box-shadow:0 22px 54px rgba(15,20,18,.16);
  animation:co-mark-rise 1s cubic-bezier(.2,.7,.2,1) 1.25s both;
}
@keyframes co-mark-rise{
  from{opacity:0;transform:translateY(20px) scale(.94)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.co-sub{
  max-width:620px;
  margin:clamp(28px,4vh,40px) 0 0;
  color:var(--muted);
  font-size:16px;
  line-height:1.9;
  animation:content-rise .9s cubic-bezier(.2,.7,.2,1) 1.55s both;
}
.co-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:12px;
  margin-top:clamp(30px,4.5vh,42px);
  animation:content-rise .9s cubic-bezier(.2,.7,.2,1) 1.8s both;
}
@media (prefers-reduced-motion:reduce){
  .co-quiet,.co-title,.co-mark,.co-sub,.co-actions{animation:none!important;opacity:1!important}
}
@media (max-width:760px){
  .co-hero{min-height:auto;padding-top:72px;padding-bottom:84px}
  .co-title{letter-spacing:.05em}
}

html{color-scheme:light}
@media (prefers-reduced-motion:no-preference){}
/* 深色规则已迁移至 company-site-dark.css，由 site.js 主题管理器经 <link id="dark-css"> 控制启用 */

/* 移动端产品下拉：菜单打开时解除横向滚动裁剪（:has 支持所有现代浏览器） */
.nav-links:has(.product-menu[open]){overflow-x:visible}
/* 手机端手机框阴影收敛，避免右侧硬影 */
@media (max-width:760px){
  .phone{box-shadow:0 24px 56px rgba(15,20,18,.20)}
}

/* ============================================================
   2026-07-20 鼠标氛围层（学习 Meilisearch SpotlightLayer）
   环境微光 / 聚光灯卡片 / 磁性按钮 / 尾随光标 / 首屏景深
   仅 pointer:fine 且非 reduced-motion 时由 site.js 启用。
   ============================================================ */

/* 全局环境微光：跟随鼠标的柔光 */
.cursor-glow{
  position:fixed;
  left:0;
  top:0;
  z-index:55;
  width:560px;
  height:560px;
  margin:-280px 0 0 -280px;
  border-radius:50%;
  pointer-events:none;
  opacity:0;
  transition:opacity .6s ease;
  background:radial-gradient(circle,rgba(150,50,68,.055),transparent 62%);
}
body.cursor-on .cursor-glow{opacity:1}


/* 聚光灯卡片：光随鼠标在卡内流动 */
.price-card,.trust-grid article,.access-row,.company-contact-item,.card{
  position:relative;
}
.price-card::after,.trust-grid article::after,.access-row::after,.company-contact-item::after,.card::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:0;
  transition:opacity .35s ease;
  background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%),rgba(150,50,68,.075),transparent 65%);
}
.price-card:hover::after,.trust-grid article:hover::after,.access-row:hover::after,.company-contact-item:hover::after,.card:hover::after{
  opacity:1;
}
/* 聚光灯下内容保持在上层 */
.price-card>*,.trust-grid article>*,.access-row>*,.company-contact-item>*,.card>*{position:relative;z-index:1}
/* 深色主推卡的聚光改为暖白 */
.price-card.featured::after{
  background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%),rgba(255,235,225,.14),transparent 65%);
}
/* 磁性按钮过渡 */
.nav-cta,.letter-actions .button,.co-actions .button{
  transition:transform .16s ease-out,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
/* 首屏景深层次过渡 */
.letter-title,.letter-seal,.hero-plum,.co-mark,.co-title{transition:transform .22s ease-out}

html[data-theme="dark"] .cursor-glow{background:radial-gradient(circle,rgba(255,170,140,.06),transparent 62%)}
html[data-theme="dark"] .price-card::after,html[data-theme="dark"] .trust-grid article::after,html[data-theme="dark"] .access-row::after,html[data-theme="dark"] .company-contact-item::after,html[data-theme="dark"] .card::after{
  background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.055),transparent 65%);
}
html[data-theme="dark"] .price-card.featured::after{
  background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%),rgba(150,50,68,.16),transparent 65%);
}
@media (prefers-reduced-motion:reduce){
  .cursor-glow{display:none!important}
}

/* 聚光灯卡片圆角裁切 */
.price-card,.card{overflow:hidden}

/* ============================================================
   2026-07-20 证据屏：3D 玻璃卡栈 + 轨道卫星（学习 Akile）
   聊天 / 记忆 / 日记 三层故事卡，卫星沿透视轨道环绕。
   ============================================================ */
.orbit-stage{
  --orbit-r:235px;
  position:relative;
  width:min(520px,100%);
  margin:0 auto;
  aspect-ratio:1/1.08;
}
.orbit-tilt{
  position:absolute;
  inset:0;
  transform-style:preserve-3d;
  transform:perspective(1150px) scale(var(--stage-scale,1)) rotateX(var(--tx,0deg)) rotateY(var(--ty,0deg));
  transition:transform .3s ease-out;
}
/* 轨道环 */
.orbit-ring{
  position:absolute;
  left:50%;
  top:50%;
  width:calc(var(--orbit-r)*2);
  height:calc(var(--orbit-r)*2);
  border:1px solid rgba(15,20,18,.22);
  border-radius:50%;
  transform:translate(-50%,-50%) rotateX(64deg);
}
/* 卫星旋转层 */
.orbit-spin{
  position:absolute;
  left:50%;
  top:50%;
  width:0;
  height:0;
  z-index:1;
  transform-style:preserve-3d;
  animation:orbit-spin 26s linear infinite;
}
@keyframes orbit-spin{
  from{transform:rotateX(64deg) rotateZ(0deg)}
  to{transform:rotateX(64deg) rotateZ(360deg)}
}
.sat{
  position:absolute;
  left:-22px;
  top:-22px;
  transform:rotateZ(var(--a)) translateX(var(--orbit-r)) rotateZ(calc(var(--a)*-1));
  transform-style:preserve-3d;
}
.sat-in{
  display:grid;
  place-items:center;
  transform:rotateX(-64deg);
  animation:sat-stay 26s linear infinite;
}
@keyframes sat-stay{
  from{transform:rotateX(-64deg) rotateZ(0deg)}
  to{transform:rotateX(-64deg) rotateZ(-360deg)}
}
.sat-plum{width:56px;height:56px}
.sat-plum img{
  width:100%;
  height:100%;
  filter:drop-shadow(0 10px 22px rgba(150,50,68,.32));
}
.sat-seal{
  width:48px;
  height:48px;
  display:grid;
  place-items:center;
  border-radius:11px;
  background:var(--red);
  box-shadow:0 14px 32px rgba(150,50,68,.38);
}
.sat-seal i{display:block;color:#fff;font-family:var(--font-hero);font-style:normal;font-size:16px;font-weight:900;line-height:1.05}
.sat-logo{width:40px;height:40px}
.sat-logo img{
  width:100%;
  height:100%;
  filter:drop-shadow(0 8px 18px rgba(15,20,18,.24));
}
/* 卡栈 */
.deck{
  position:absolute;
  left:56%;
  top:54%;
  z-index:2;
  width:300px;
  height:300px;
  margin:-150px 0 0 -150px;
  transform-style:preserve-3d;
  transform:rotateX(10deg) rotateY(-12deg);
}
.deck-card{
  position:absolute;
  left:0;
  top:0;
  width:300px;
  padding:18px 20px;
  border-radius:16px;
  border:1px solid rgba(15,20,18,.10);
  background:rgba(255,255,255,.48);
  backdrop-filter:blur(18px);
  box-shadow:0 30px 60px rgba(15,20,18,.14);
}
.deck-card{transition:transform 1.15s cubic-bezier(.45,.08,.2,1),opacity 1.15s ease}
.card-memory{width:280px}
.card-diary{width:264px}
.pos-front{transform:translateZ(92px);z-index:3;opacity:1}
.pos-mid{transform:translate(-68px,-58px) translateZ(46px);z-index:2;opacity:.93}
.pos-back{transform:translate(-128px,-112px) translateZ(0);z-index:1;opacity:.84}
.dc-head{
  display:flex;
  align-items:center;
  gap:9px;
  margin-bottom:12px;
  color:var(--ink);
  font-size:14px;
}
.dc-tag{
  padding:3px 9px;
  border-radius:6px;
  color:#fff;
  background:var(--ink);
  font-size:11px;
  font-weight:900;
  letter-spacing:.06em;
}
.dc-date{color:var(--muted);font-size:12px;font-weight:700}
.dc-text{margin:0;color:var(--ink-2);font-size:13.5px;line-height:1.8}
.dc-avatar{
  width:26px;
  height:26px;
  border-radius:7px;
  background:#fff url('./promo-plum-icon-blend-sm.png') center/cover;
  box-shadow:0 1px 3px rgba(15,20,18,.16);
}
.dc-on{margin-left:auto;color:var(--green);font-size:11px;font-weight:900}
.dc-on::before{content:"●";margin-right:4px;font-size:9px}
.dc-foot{
  display:flex;
  justify-content:space-between;
  margin-top:12px;
  padding-top:10px;
  border-top:1px solid rgba(15,20,18,.10);
  color:var(--muted);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.05em;
}
.mini-bubble{
  max-width:86%;
  margin-top:8px;
  padding:8px 11px;
  border-radius:9px;
  font-size:13px;
  line-height:1.55;
  box-shadow:0 1px 2px rgba(15,20,18,.07);
}
.mini-bubble.user{margin-left:auto;border-top-right-radius:3px;color:#0b1511;background:#95ec69}
.mini-bubble.role{border-top-left-radius:3px;color:#0f1713;background:#fff;box-shadow:0 0 0 1px rgba(150,50,68,.28),0 6px 16px rgba(150,50,68,.08)}
.mem-row{
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  gap:10px;
  padding:7px 0;
  border-top:1px solid rgba(15,20,18,.08);
  font-size:13px;
}
.mem-row:first-of-type{border-top:0}
.mem-row b{color:var(--red);font-size:12px;font-weight:900}
.mem-row span{color:var(--ink-2)}
.mem-spark{
  width:100%;
  height:26px;
  margin-top:8px;
  fill:none;
  stroke:var(--red);
  stroke-width:2;
  stroke-linecap:round;
  stroke-linejoin:round;
  opacity:.85;
}
/* 浮动徽章 */
.orbit-badge{
  position:absolute;
  z-index:3;
  padding:7px 13px;
  border-radius:999px;
  border:1px solid rgba(15,20,18,.10);
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(10px);
  box-shadow:0 12px 30px rgba(15,20,18,.12);
  color:var(--ink);
  font-size:12px;
  font-weight:900;
  letter-spacing:.04em;
  animation:badge-float 5s ease-in-out infinite alternate;
}
.ob-1{right:7%;top:9%}
.ob-2{left:2%;bottom:12%;animation-delay:1.4s;color:var(--red)}
@keyframes badge-float{from{transform:translateY(0)}to{transform:translateY(-10px)}}
/* 深色 */
html[data-theme="dark"] .orbit-ring{border-color:rgba(255,255,255,.14)}
html[data-theme="dark"] .sat-logo{background:#f5f6f2;border-radius:10px;padding:4px}
html[data-theme="dark"] .sat-plum img{filter:drop-shadow(0 0 20px rgba(255,170,140,.38))}
html[data-theme="dark"] .sat-seal{background:var(--red);border-color:var(--red)}
html[data-theme="dark"] .deck-card{background:rgba(24,33,28,.62);border-color:rgba(255,255,255,.12);box-shadow:0 30px 60px rgba(0,0,0,.45)}
html[data-theme="dark"] .dc-head{color:var(--ink)}
html[data-theme="dark"] .dc-tag{background:#eef2ee;color:#101713}
html[data-theme="dark"] .dc-text{color:var(--ink-2)}
html[data-theme="dark"] .dc-foot{border-top-color:rgba(255,255,255,.12)}
html[data-theme="dark"] .mem-row{border-top-color:rgba(255,255,255,.10)}
html[data-theme="dark"] .mem-row span{color:var(--ink-2)}
html[data-theme="dark"] .mini-bubble.role{background:#22302a;color:var(--ink)}
html[data-theme="dark"] .orbit-badge{background:rgba(24,33,28,.8);border-color:rgba(255,255,255,.12);color:var(--ink);box-shadow:0 12px 30px rgba(0,0,0,.4)}
html[data-theme="dark"] .ob-2{color:#e9b3bd}
/* 移动端缩放 */
@media (max-width:760px){
  .orbit-stage{--orbit-r:168px;--stage-scale:.86}
}
@media (max-width:480px){
  .orbit-stage{--orbit-r:138px;--stage-scale:.74;margin-top:20px}
  .sat-in{width:38px;height:38px;font-size:13px}
  .sat{left:-19px;top:-19px}
}

/* 主题开关按钮 */
.theme-toggle{
  width:38px;
  height:38px;
  display:inline-grid;
  place-items:center;
  margin-right:2px;
  padding:0;
  border:1px solid rgba(15,20,18,.14);
  border-radius:50%;
  background:transparent;
  color:var(--ink);
  cursor:pointer;
  transition:border-color .18s ease,background .18s ease,transform .18s ease;
}
.theme-toggle:hover{border-color:var(--red);transform:translateY(-1px)}
.theme-toggle svg{width:18px;height:18px;display:block}
.theme-toggle .icon-sun{display:none}
html[data-theme="dark"] .theme-toggle{border-color:rgba(255,255,255,.2)}
html[data-theme="dark"] .theme-toggle .icon-sun{display:block}
html[data-theme="dark"] .theme-toggle .icon-moon{display:none}

/* 梅花双图：手动/系统主题统一由 data-theme 决定 */
.hero-plum .plum-dark{display:none}
html[data-theme="dark"] .hero-plum .plum-light{display:none}
html[data-theme="dark"] .hero-plum .plum-dark{display:block}

/* 聊天卡时间分隔 */
.mini-time{
  margin:9px 0 1px;
  color:#9aa39e;
  font-size:10.5px;
  font-weight:600;
  text-align:center;
  letter-spacing:.04em;
}
/* 卫星商标 */
.sat-logo{padding:5px}
.sat-logo img{width:100%;height:100%;object-fit:contain}
html[data-theme="dark"] .mini-time{color:#7d8b83}

/* 卫星大小错落（景深节奏） */
.sat-in.sat-sm.sat-plum{width:42px;height:42px}
.sat-in.sat-sm.sat-logo{width:32px;height:32px}


/* ============================================================
   2026-07-21 修复：中等屏轨道溢出 + 小屏梅花避让
   ============================================================ */
/* 761–1400px 区间（常见笔记本宽度）：轨道环按 235px 半径会超出
   证据屏右列（≤440px），把内容顶出视口。收敛半径与整体缩放，
   小于 760px 的规则继续在下方原有媒体查询里生效。 */
@media (min-width:761px) and (max-width:1400px){
  .orbit-stage{--orbit-r:200px;--stage-scale:.92}
}
/* ≤480px：首屏梅花装饰进一步缩小外移变淡，避免与纵向堆叠的
   全宽按钮在视觉上相撞（装饰图 pointer-events:none，不影响点击） */
@media (max-width:480px){
  .hero-plum{width:132px;right:-44px;bottom:-16px;opacity:.55}
}