/* ============================================================
   Cairnova · 磐星 — 共享设计系统
   石光 / Craft 方向。深绿 + 黄铜新星 + 纸墨中性；
   随心 = 朱红强调，桌伴 = 青灰强调。明暗双主题。
   ============================================================ */

/* ============ TOKENS ============ */
:root{
  /* brand greens */
  --green-abyss:#081712;
  --green-deep:#0F2E24;
  --green-forest:#1A4A39;
  --green-moss:#6FA98E;

  /* nova / brass — the light */
  --brass:#C9A24B;
  --brass-lit:#E9CD85;
  --nova:#F6E7BE;

  /* neutrals, biased warm-green */
  --paper:#F3EEE1;
  --paper-elev:#FBF7EC;
  --paper-deep:#ECE3D0;
  --ink:#16261E;
  --ink-soft:#3F5147;

  /* product accents */
  --vermilion:#8A3324;       /* 随心 */
  --vermilion-lit:#C75A48;
  --teal:#4E7570;            /* 桌伴（暂定）*/
  --teal-lit:#7FA9A2;

  /* semantic (flip by theme) */
  --bg:var(--paper);
  --bg-elev:var(--paper-elev);
  --bg-sunk:var(--paper-deep);
  --text:var(--ink);
  --text-muted:var(--ink-soft);
  --hairline:rgba(22,38,30,.15);
  --hairline-soft:rgba(22,38,30,.09);
  --accent:#9A7A2E;                 /* site accent = brass on paper */

  /* primary button: brass fill, dark ink label (AA both themes) */
  --btn-fill:var(--brass);
  --btn-ink:#20160a;

  --card-shadow:0 1px 2px rgba(22,38,30,.05), 0 18px 40px -24px rgba(22,38,30,.22);

  --font-display:"Fraunces","Songti SC","STSong",Georgia,"Times New Roman",serif;
  --font-body:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,"Segoe UI",Roboto,sans-serif;

  --wrap:1120px;
  --radius:18px;
  --radius-sm:12px;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:var(--green-abyss);
    --bg-elev:#0E2A21;
    --bg-sunk:#061410;
    --text:#EDE6D5;
    --text-muted:#9DB4A7;
    --hairline:rgba(201,162,75,.20);
    --hairline-soft:rgba(201,162,75,.10);
    --accent:var(--brass-lit);
    --btn-fill:var(--brass-lit);
    --card-shadow:0 1px 2px rgba(0,0,0,.4), 0 24px 50px -28px rgba(0,0,0,.7);
  }
}
:root[data-theme="light"]{
  --bg:var(--paper);--bg-elev:var(--paper-elev);--bg-sunk:var(--paper-deep);
  --text:var(--ink);--text-muted:var(--ink-soft);
  --hairline:rgba(22,38,30,.15);--hairline-soft:rgba(22,38,30,.09);
  --accent:#9A7A2E;--btn-fill:var(--brass);
  --card-shadow:0 1px 2px rgba(22,38,30,.05), 0 18px 40px -24px rgba(22,38,30,.22);
}
:root[data-theme="dark"]{
  --bg:var(--green-abyss);--bg-elev:#0E2A21;--bg-sunk:#061410;
  --text:#EDE6D5;--text-muted:#9DB4A7;
  --hairline:rgba(201,162,75,.20);--hairline-soft:rgba(201,162,75,.10);
  --accent:var(--brass-lit);--btn-fill:var(--brass-lit);
  --card-shadow:0 1px 2px rgba(0,0,0,.4), 0 24px 50px -28px rgba(0,0,0,.7);
}

/* ============ BILINGUAL DISPLAY ============ */
/* 每条可见文案成对：一份 lang="zh"、一份 lang="en"，按 <html data-lang> 只显一份 */
html[data-lang="en"] [lang="zh"]{display:none}
html[data-lang="zh"] [lang="en"]{display:none}

/* ============ BASE ============ */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-body);font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;transition:background .5s ease,color .5s ease;
}
/* faint grain for craft texture */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.5;
  mix-blend-mode:soft-light;
  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='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--font-display);font-weight:500;line-height:1.1;text-wrap:balance;margin:0}
p{margin:0}
::selection{background:var(--brass);color:#1a1206}
:focus-visible{outline:2.5px solid var(--brass);outline-offset:3px;border-radius:4px}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(20px,5vw,40px)}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* eyebrow with cairn marker */
.eyebrow{
  display:inline-flex;align-items:center;gap:.6em;
  font-size:.74rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent);
}
.eyebrow .mark{width:15px;height:20px;flex:none}
.eyebrow--onlight{color:rgba(246,231,190,.85)}

/* ============ CAIRN + NOVA MOTIF ============ */
.nova-glow{transform-origin:center;animation:novaPulse 6.5s ease-in-out infinite}
.twinkle{transform-origin:center;animation:twinkle 5s ease-in-out infinite}
.stone{animation:riseIn 1s cubic-bezier(.2,.8,.2,1) both}
.stone.s1{animation-delay:.05s}.stone.s2{animation-delay:.16s}
.stone.s3{animation-delay:.27s}.stone.s4{animation-delay:.38s}.stone.s5{animation-delay:.49s}
@keyframes novaPulse{0%,100%{opacity:.75;transform:scale(1)}50%{opacity:1;transform:scale(1.09)}}
@keyframes twinkle{0%,100%{opacity:.9;transform:scale(1) rotate(0deg)}50%{opacity:1;transform:scale(1.14) rotate(8deg)}}
@keyframes riseIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* ============ SHARED HEADER (site.js injects markup) ============ */
#site-header{position:sticky;top:0;z-index:100}
.nav-shell{
  background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:saturate(1.4) blur(14px);
  -webkit-backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid var(--hairline-soft);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:13px}
.brand{display:inline-flex;align-items:center;gap:11px}
.brand svg{width:27px;height:36px;flex:none}
.brand .wordmark{
  font-family:var(--font-display);font-size:1.34rem;font-weight:500;letter-spacing:.01em;color:var(--text);
}
.brand .wordmark b{font-weight:600;color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.nav-links a{
  font-size:.95rem;color:var(--text-muted);position:relative;padding-block:4px;transition:color .25s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-1px;height:1.5px;
  background:var(--accent);transition:right .3s ease;
}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a:hover::after,.nav-links a.active::after{right:0}
.nav-actions{display:flex;align-items:center;gap:12px}

/* language switch (both labels always visible; active highlighted) */
.lang-toggle{
  display:inline-flex;align-items:center;border:1px solid var(--hairline);
  border-radius:100px;overflow:hidden;background:var(--bg-elev);
}
.lang-toggle button{
  appearance:none;border:0;background:transparent;color:var(--text-muted);
  font:inherit;font-size:.8rem;line-height:1;padding:6px 11px;cursor:pointer;transition:.2s;
}
.lang-toggle button:hover{color:var(--text)}
.lang-toggle button.on{background:var(--text);color:var(--bg)}

/* theme toggle */
.icon-btn{
  display:inline-grid;place-items:center;width:36px;height:36px;flex:none;
  border:1px solid var(--hairline);border-radius:50%;background:var(--bg-elev);
  color:var(--text-muted);cursor:pointer;transition:.25s;
}
.icon-btn:hover{border-color:var(--accent);color:var(--accent);transform:rotate(15deg)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-size:.98rem;font-weight:500;
  font-family:var(--font-body);padding:13px 24px;border-radius:100px;cursor:pointer;
  border:1px solid transparent;transition:transform .2s,box-shadow .3s,background .3s,border-color .3s;
}
.btn .arrow{transition:transform .25s}
.btn:hover .arrow{transform:translateX(4px)}
.btn-primary{background:var(--btn-fill);color:var(--btn-ink);box-shadow:0 10px 30px -12px rgba(201,162,75,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -12px rgba(201,162,75,.72)}
.btn-ghost{border-color:var(--hairline);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-onlight{border-color:rgba(237,230,213,.32);color:#EDE6D5}
.btn-onlight:hover{border-color:var(--brass-lit);color:#fff;transform:translateY(-2px)}
.nav-cta{padding:9px 18px;font-size:.9rem}

/* store buttons (App Store / Google Play) — placeholder look, ink chip */
.store-btn{
  display:inline-flex;align-items:center;gap:11px;padding:11px 18px;border-radius:14px;
  background:var(--ink);color:var(--paper);font-size:.9rem;
  transition:transform .2s,box-shadow .3s;
}
:root[data-theme="dark"] .store-btn{background:#EDE6D5;color:#0d2b21}
:root[data-theme="light"] .store-btn{background:var(--ink);color:var(--paper)}
@media (prefers-color-scheme:dark){.store-btn{background:#EDE6D5;color:#0d2b21}}
:root[data-theme="light"] .store-btn{background:var(--ink);color:var(--paper)}
.store-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(0,0,0,.55)}
.store-btn .glyph{width:19px;height:19px;flex:none}
.store-btn .l1{font-size:.66rem;opacity:.75;line-height:1;display:block;letter-spacing:.02em}
.store-btn .l2{font-size:.98rem;font-weight:600;line-height:1.15;display:block}
.store-btn[aria-disabled="true"]{cursor:default}
.store-btn[aria-disabled="true"]:hover{transform:none;box-shadow:none}

/* ============ HERO (dark bookend — always dark, craft style) ============ */
.hero{position:relative;overflow:hidden;color:#EDE6D5;isolation:isolate;border-bottom:1px solid var(--hairline-soft)}
.hero-bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(120% 80% at 78% -8%, rgba(233,205,133,.16), transparent 46%),
    radial-gradient(90% 70% at 12% 4%, rgba(26,74,57,.65), transparent 55%),
    linear-gradient(178deg, #0d2b21 0%, #0a2018 46%, #071812 100%);
}
.hero-bg svg{position:absolute;inset:0;width:100%;height:100%;opacity:.5}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;
  padding-block:clamp(56px,10vw,120px);
}
.hero-wordmark{display:inline-flex;align-items:center;gap:16px;margin-bottom:26px}
.hero-wordmark svg{width:44px;height:59px;flex:none}
.hero-wordmark .wm{font-family:var(--font-display);font-size:clamp(1.7rem,3vw,2.2rem);font-weight:500;color:#F4EBD6;letter-spacing:.01em}
.hero-wordmark .wm b{font-weight:600;color:var(--brass-lit)}
.hero-wordmark .wm i{font-style:normal;color:rgba(237,230,213,.6);font-size:.72em;margin-left:.4em}
.hero h1{
  font-size:clamp(2.15rem,4.6vw,3.5rem);font-weight:400;letter-spacing:-.01em;
  color:#F6EFDD;max-width:15em;
}
.hero h1 em{font-style:italic;color:var(--brass-lit)}
.hero .lead{
  margin-top:24px;max-width:40ch;font-size:clamp(1.02rem,1.4vw,1.16rem);
  color:rgba(237,230,213,.8);line-height:1.72;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* hero art: cairn + nova */
.hero-art{position:relative;display:grid;place-items:center;min-height:420px}
.hero-art svg{width:min(100%,400px);height:auto;overflow:visible}

/* ============ SECTION SHELL ============ */
section{position:relative;z-index:2}
.section,.sec{padding-block:clamp(64px,9vw,108px)}
.sec-head{max-width:640px;margin-bottom:clamp(38px,5vw,58px)}
.sec-head h2{font-size:clamp(1.95rem,3.6vw,2.95rem);margin-top:16px;letter-spacing:-.01em}
.sec-head p{margin-top:16px;color:var(--text-muted);font-size:1.08rem;max-width:52ch}

/* ============ CARD (generic) ============ */
.card{
  position:relative;background:var(--bg-elev);border:1px solid var(--hairline);
  border-radius:var(--radius);box-shadow:var(--card-shadow);overflow:hidden;
}

/* ============ PRODUCT MATRIX ============ */
.matrix{display:grid;grid-template-columns:1.55fr 1fr;gap:26px}

.pcard{
  position:relative;background:var(--bg-elev);border:1px solid var(--hairline);
  border-radius:var(--radius);box-shadow:var(--card-shadow);overflow:hidden;
  transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s,border-color .35s;
}
.pcard::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--pa,var(--brass)),transparent 70%);opacity:.85}
.pcard:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--pa,var(--brass)) 45%,var(--hairline))}

/* flagship = 随心 (vermilion) */
.flagship{--pa:var(--vermilion);--pa-lit:var(--vermilion-lit)}
@media (prefers-color-scheme:dark){.flagship{--pa:var(--vermilion-lit)}}
:root[data-theme="dark"] .flagship{--pa:var(--vermilion-lit)}
:root[data-theme="light"] .flagship{--pa:var(--vermilion)}
.flagship-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:8px;align-items:stretch}
.flagship-body{padding:clamp(28px,3.4vw,42px);display:flex;flex-direction:column}
.badge-row{display:flex;flex-wrap:wrap;gap:9px;align-items:center}
.badge{
  font-size:.72rem;font-weight:600;letter-spacing:.06em;padding:5px 11px;border-radius:100px;
  background:color-mix(in srgb,var(--pa) 14%,transparent);
  color:var(--pa);border:1px solid color-mix(in srgb,var(--pa) 30%,transparent);
}
.badge.plain{background:transparent;color:var(--text-muted);border-color:var(--hairline)}
.pname{display:flex;align-items:baseline;gap:12px;margin-top:20px}
.pname h3{font-size:clamp(1.75rem,2.6vw,2.25rem);font-weight:500}
.pname .en{font-size:.95rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted)}
.ptag{margin-top:15px;color:var(--text-muted);font-size:1.02rem;line-height:1.7;max-width:42ch}

.tabs-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.tabchip{
  display:inline-flex;align-items:center;gap:7px;font-size:.86rem;
  padding:7px 13px;border-radius:10px;background:var(--bg-sunk);border:1px solid var(--hairline-soft);
  color:var(--text);
}
.tabchip .ch{font-family:var(--font-display);font-weight:600;color:var(--pa);width:1.35em;text-align:center}
.tabchip small{color:var(--text-muted)}

.flagship-foot{
  margin-top:auto;padding-top:26px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;
  justify-content:space-between;border-top:1px solid var(--hairline-soft);
}
.price{font-size:.98rem}
.price b{font-family:var(--font-display);font-size:1.35rem;font-weight:600;color:var(--text)}
.price small{color:var(--text-muted);display:block;font-size:.8rem;margin-top:2px}
.store-mini{display:flex;flex-wrap:wrap;gap:9px}
.learn-link{display:inline-flex;align-items:center;gap:7px;font-weight:500;color:var(--pa)}
.learn-link:hover .arrow{transform:translateX(4px)}
.learn-link .arrow{transition:transform .25s}

/* phone stage */
.phone-stage{
  position:relative;display:grid;place-items:center;padding:clamp(24px,3vw,40px) 10px;
  background:
    radial-gradient(85% 60% at 50% 12%, rgba(201,162,75,.14), transparent 60%),
    linear-gradient(165deg,#0f2e24,#0a2018);
  overflow:hidden;
}
.phone-stage .contours{position:absolute;inset:0;opacity:.4}
.phone{
  position:relative;z-index:2;width:min(292px,80vw);aspect-ratio:292/600;
  background:#0c0c0e;border-radius:44px;padding:11px;
  box-shadow:0 2px 0 rgba(255,255,255,.06) inset, 0 30px 60px -24px rgba(0,0,0,.6),
    0 0 0 1.5px rgba(201,162,75,.28);
  animation:floaty 7s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.screen{
  position:relative;height:100%;border-radius:34px;overflow:hidden;
  background:#FBF7EF;color:#1a1a1a;display:flex;flex-direction:column;font-size:12px;
}
.island{position:absolute;top:9px;left:50%;transform:translateX(-50%);
  width:78px;height:22px;background:#0c0c0e;border-radius:14px;z-index:9}
.statusbar{display:flex;justify-content:space-between;align-items:center;
  padding:11px 20px 4px;font-size:11px;font-weight:600;color:#1a1a1a}
.statusbar .sig{display:inline-flex;gap:4px;align-items:center}
.statusbar .bars{display:inline-flex;gap:2px;align-items:flex-end;height:9px}
.statusbar .bars i{width:3px;background:#1a1a1a;border-radius:1px}
.statusbar .bars i:nth-child(1){height:4px}.statusbar .bars i:nth-child(2){height:6px}
.statusbar .bars i:nth-child(3){height:8px}.statusbar .bars i:nth-child(4){height:10px}
.batt{width:22px;height:11px;border:1.4px solid #1a1a1a;border-radius:3px;position:relative;padding:1.4px}
.batt::after{content:"";position:absolute;right:-3px;top:3px;width:2px;height:5px;background:#1a1a1a;border-radius:0 1px 1px 0}
.batt i{display:block;height:100%;width:74%;background:#1a1a1a;border-radius:1px}
.navbar{padding:6px 18px 10px;display:flex;align-items:baseline;justify-content:space-between}
.navbar .title{font-family:var(--font-display);font-size:26px;font-weight:600;color:#17130f}
.navbar .sub{font-size:10.5px;color:#8a8378}
.search{margin:0 16px;display:flex;align-items:center;gap:7px;background:#EDE7DA;
  border-radius:10px;padding:8px 11px;color:#8a8378;font-size:12px}
.search svg{flex:none}
.scopes{display:flex;gap:6px;padding:12px 16px 6px}
.scope{font-size:11px;padding:5px 12px;border-radius:8px;background:#EDE7DA;color:#6b655c}
.scope.on{background:#8A3324;color:#fdeee9;font-weight:600}
.cards{flex:1;overflow:hidden;padding:6px 14px 10px;display:flex;flex-direction:column;gap:9px}
.icard{background:#fff;border:1px solid #EBE4D6;border-radius:13px;padding:11px 12px;
  box-shadow:0 6px 14px -12px rgba(80,60,20,.4)}
.icard .top{display:flex;align-items:center;gap:7px;margin-bottom:5px}
.kind{font-size:9.5px;font-weight:600;letter-spacing:.04em;padding:2px 7px;border-radius:6px;
  background:#F1ECE0;color:#7a7365}
.kind.art{background:#F4E4DF;color:#8A3324}
.icard .star{margin-left:auto;color:#C75A48}
.icard .star.off{color:#d8d2c6}
.icard h4{font-size:13.5px;font-weight:600;color:#1c1712;margin:0;line-height:1.35}
.icard p{font-size:11px;color:#8a8378;margin:4px 0 0;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.icard .tags{display:flex;gap:5px;margin-top:8px}
.icard .tags b{font-size:9.5px;font-weight:500;color:#6b655c;background:#F1ECE0;
  padding:2px 8px;border-radius:100px}
.tabbar{display:flex;justify-content:space-around;align-items:center;padding:9px 6px 16px;
  background:rgba(251,247,239,.92);border-top:1px solid #EBE4D6;backdrop-filter:blur(6px)}
.tab{display:flex;flex-direction:column;align-items:center;gap:3px;color:#a49d90;font-size:9.5px}
.tab .g{font-family:var(--font-display);font-size:16px;font-weight:500}
.tab.on{color:#8A3324}
.tab.on .g{font-weight:600}

/* placeholder product = 桌伴 (teal) */
.placeholder{--pa:var(--teal);--pa-lit:var(--teal-lit);display:flex;flex-direction:column}
@media (prefers-color-scheme:dark){.placeholder{--pa:var(--teal-lit)}}
:root[data-theme="dark"] .placeholder{--pa:var(--teal-lit)}
:root[data-theme="light"] .placeholder{--pa:var(--teal)}
.ph-body{padding:clamp(26px,3vw,36px);display:flex;flex-direction:column;height:100%}
.ph-art{margin:8px 0 22px;display:grid;place-items:center;padding:26px 0;
  border-radius:14px;background:
    radial-gradient(70% 55% at 50% 30%, color-mix(in srgb,var(--pa) 22%,transparent), transparent 70%),
    var(--bg-sunk);border:1px dashed color-mix(in srgb,var(--pa) 40%,var(--hairline))}
.ph-art svg{width:104px;height:auto;color:var(--pa)}
.ph-tag{color:var(--text-muted);font-size:.98rem;line-height:1.7;margin-top:14px}
.ph-slot{margin-top:auto;padding-top:22px;border-top:1px solid var(--hairline-soft);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:.82rem;color:var(--text-muted)}
.swatch{display:inline-flex;align-items:center;gap:8px}
.swatch i{width:15px;height:15px;border-radius:5px;background:var(--pa);flex:none;
  box-shadow:0 0 0 3px color-mix(in srgb,var(--pa) 22%,transparent)}

/* ============ DOWNLOAD BAND (dark bookend) ============ */
.cta-band{position:relative;overflow:hidden;color:#EDE6D5;isolation:isolate}
.cta-band .bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(80% 90% at 82% 10%, rgba(233,205,133,.18), transparent 50%),
    linear-gradient(160deg,#12352a,#0a2018 60%,#071812)}
.cta-band .contours{position:absolute;inset:0;z-index:0;opacity:.42}
.cta-inner{position:relative;z-index:2;padding-block:clamp(58px,8vw,92px);
  display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(1.9rem,3.4vw,2.8rem);font-weight:400;color:#F6EFDD}
.cta-inner h2 em{font-style:italic;color:var(--brass-lit)}
.cta-inner p{margin-top:18px;color:rgba(237,230,213,.8);max-width:44ch}
.cta-note{margin-top:16px;font-size:.86rem;color:rgba(157,180,167,.9)}
.store-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:12px;justify-content:flex-end}
@media (max-width:840px){.store-row{justify-content:flex-start}}
.store-lg{display:inline-flex;align-items:center;gap:13px;padding:15px 24px;border-radius:16px;
  background:#EDE6D5;color:#0d2b21;transition:transform .2s,box-shadow .3s}
.store-lg:hover{transform:translateY(-3px);box-shadow:0 18px 40px -18px rgba(0,0,0,.6)}
.store-lg.ghost{background:transparent;color:#EDE6D5;border:1px solid rgba(237,230,213,.34)}
.store-lg.ghost:hover{border-color:var(--brass-lit);color:#fff}
.store-lg .glyph{width:24px;height:24px;flex:none}
.store-lg .l1{font-size:.72rem;opacity:.75;line-height:1;display:block}
.store-lg .l2{font-size:1.12rem;font-weight:600;line-height:1.2;display:block}
.store-lg[aria-disabled="true"]{cursor:default}
.store-lg[aria-disabled="true"]:hover{transform:none;box-shadow:none}

/* ============ LONG-FORM DOCS (隐私 / 条款) ============ */
/* dark header bookend, matches hero/cta-band */
.doc-head{position:relative;overflow:hidden;color:#EDE6D5;isolation:isolate;border-bottom:1px solid var(--hairline-soft)}
.doc-head .bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(110% 80% at 80% -10%, rgba(233,205,133,.15), transparent 48%),
    radial-gradient(90% 70% at 10% 6%, rgba(26,74,57,.55), transparent 55%),
    linear-gradient(170deg,#0d2b21,#0a2018 55%,#071812)}
.doc-head .contours{position:absolute;inset:0;z-index:0;opacity:.4}
.doc-head-inner{position:relative;z-index:2;padding-block:clamp(48px,7vw,84px) 0;max-width:56ch}
.doc-head h1{font-size:clamp(2rem,4vw,3rem);font-weight:400;color:#F6EFDD;letter-spacing:-.01em;margin-top:16px}
.doc-head .doc-lead{margin-top:16px;color:rgba(237,230,213,.8);font-size:clamp(1rem,1.4vw,1.14rem);line-height:1.72;max-width:52ch}
.doc-head .doc-meta{margin-top:18px;font-size:.82rem;letter-spacing:.04em;color:rgba(157,180,167,.92)}

/* draft banner (brass caution, sits in the dark header) */
.doc-flag{position:relative;z-index:2;margin-top:26px;margin-bottom:clamp(6px,2vw,14px);
  display:flex;gap:13px;align-items:flex-start;padding:15px 20px;border-radius:14px;max-width:660px;
  background:color-mix(in srgb,var(--brass) 20%,transparent);border:1px solid rgba(233,205,133,.5)}
.doc-flag .ic{flex:none;width:21px;height:21px;color:var(--brass-lit);margin-top:1px}
.doc-flag b{font-weight:600;color:#F8F0DC;display:block;font-size:.98rem;line-height:1.35}
.doc-flag .sub{color:rgba(237,230,213,.8);font-size:.86rem;line-height:1.55;margin-top:3px;display:block}

/* reading body */
.doc{max-width:768px;margin-inline:auto;font-size:1.02rem;line-height:1.78}
.doc-sec{margin-top:clamp(36px,4.5vw,54px)}
.doc-sec:first-of-type{margin-top:0}
.doc-sec > h2{font-size:clamp(1.4rem,2.4vw,1.8rem);font-weight:500;letter-spacing:-.005em;color:var(--text);
  padding-bottom:13px;margin-bottom:4px;border-bottom:1px solid var(--hairline-soft);
  display:flex;align-items:baseline;gap:13px;scroll-margin-top:88px}
.doc-sec > h2 .n{font-family:var(--font-display);font-size:.82em;font-weight:600;color:var(--accent);flex:none}
.doc h3{font-size:1.1rem;font-weight:600;margin-top:26px;color:var(--text)}
.doc p{margin-top:14px;color:var(--text)}
.doc p.muted{color:var(--text-muted);font-size:.96rem}
.doc strong{font-weight:600}
.doc ul{margin:15px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.doc ul li{position:relative;padding-left:27px;color:var(--text)}
.doc ul li::before{content:"";position:absolute;left:7px;top:.66em;width:7px;height:7px;
  border-radius:2px;background:var(--accent);transform:rotate(45deg)}
.doc ul li b{font-weight:600;color:var(--text)}
.doc a.inline{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.doc a.inline:hover{color:var(--text)}

/* table of contents card */
.doc-toc{background:var(--bg-elev);border:1px solid var(--hairline);border-radius:var(--radius-sm);
  padding:22px 26px;box-shadow:var(--card-shadow)}
.doc-toc h5{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--text-muted);
  margin:0 0 14px;font-weight:600}
.doc-toc ol{margin:0;padding:0;list-style:none;display:grid;gap:10px;counter-reset:toc}
.doc-toc li{counter-increment:toc}
.doc-toc a{display:inline-flex;gap:11px;align-items:baseline;color:var(--text);opacity:.88;transition:.2s;font-size:.98rem}
.doc-toc a::before{content:counter(toc,decimal-leading-zero);font-family:var(--font-display);
  font-weight:600;color:var(--accent);font-size:.86em;flex:none}
.doc-toc a:hover{opacity:1;color:var(--accent)}

/* contact + cross-links foot of a doc */
.doc-endnote{margin-top:clamp(40px,5vw,60px);padding-top:26px;border-top:1px solid var(--hairline);
  display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;justify-content:space-between}
.doc-endnote .contact{font-size:.96rem;color:var(--text-muted)}
.doc-endnote .xlink{display:inline-flex;align-items:center;gap:7px;font-weight:500;color:var(--accent)}
.doc-endnote .xlink:hover .arrow{transform:translateX(4px)}
.doc-endnote .xlink .arrow{transition:transform .25s}

/* ============ SHARED FOOTER (site.js injects markup) ============ */
#site-footer{background:var(--bg-sunk);color:var(--text);border-top:1px solid var(--hairline-soft)}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-block:clamp(48px,6vw,66px)}
.foot .brandcol .brand .wordmark{color:var(--text)}
.foot .brandcol .brand .wordmark b{color:var(--accent)}
.foot p.mission{margin-top:16px;color:var(--text-muted);font-size:.92rem;max-width:34ch}
.foot h5{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);
  margin:0 0 16px;font-weight:600}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.foot ul a{font-size:.94rem;color:var(--text);opacity:.86;transition:.2s;display:inline-flex;gap:8px;align-items:center}
.foot ul a:hover{opacity:1;color:var(--accent)}
.foot ul li.ph{font-size:.94rem;color:var(--text-muted);line-height:1.5}
.foot small{font-size:.72rem;opacity:.7}
.footbar{border-top:1px solid var(--hairline-soft);padding-block:22px;
  display:flex;flex-wrap:wrap;gap:10px 26px;align-items:center;justify-content:space-between;
  font-size:.8rem;color:var(--text-muted)}
.footbar .beian{opacity:.85}

/* ============ DOWNLOAD PAGE (随心 · dark hero + QR placeholder) ============ */
/* whimsy accent context so shared components (tabchip/learn-link) pick vermilion */
.whimsy-accent{--pa:var(--vermilion);--pa-lit:var(--vermilion-lit)}
@media (prefers-color-scheme:dark){.whimsy-accent{--pa:var(--vermilion-lit)}}
:root[data-theme="dark"] .whimsy-accent{--pa:var(--vermilion-lit)}
:root[data-theme="light"] .whimsy-accent{--pa:var(--vermilion)}

.dl-inner{align-items:center}
.dl-hero .hero-copy{max-width:34em}
.dl-stores{justify-content:flex-start;margin-top:30px}
.store-lg[data-reserved]{cursor:default}
.store-lg[data-reserved]:hover{transform:none;box-shadow:none}
.dl-note{margin-top:18px;color:rgba(157,180,167,.92)}
.dl-meta{
  list-style:none;margin:24px 0 0;padding:0;
  display:flex;flex-wrap:wrap;gap:10px 20px;font-size:.86rem;color:rgba(237,230,213,.78);
}
.dl-meta li{display:inline-flex;align-items:center;gap:9px}
.dl-meta li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brass-lit);flex:none}

/* QR placeholder card */
.dl-art{min-height:auto}
.qr-card{
  position:relative;width:min(300px,86vw);
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:26px 26px 22px;border-radius:var(--radius);
  background:rgba(246,239,221,.06);border:1px solid rgba(233,205,133,.3);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.6);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
}
.qr-eyebrow{
  font-size:.72rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:rgba(246,231,190,.85);
}
.qr-frame{
  width:196px;height:196px;border-radius:16px;background:#F6EFDD;padding:16px;
  box-shadow:0 12px 30px -16px rgba(0,0,0,.55), 0 0 0 1px rgba(201,162,75,.35);
}
.qr-frame svg{width:100%;height:100%}
.qr-cap{font-size:.82rem;letter-spacing:.03em;text-align:center;
  color:rgba(157,180,167,.95);
  border:1px dashed rgba(233,205,133,.34);border-radius:100px;padding:6px 14px}

/* learn-more strip */
.dl-more-inner{
  max-width:640px;margin-inline:auto;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:22px;
}
.dl-more-inner .eyebrow{justify-content:center}
.dl-more-inner h2{font-size:clamp(1.7rem,3vw,2.4rem)}
.dl-more-inner p{color:var(--text-muted);font-size:1.06rem;max-width:44ch}
.dl-more-inner .tabs-line{justify-content:center;margin-top:0}

/* ============ RESPONSIVE ============ */
@media (max-width:960px){
  .dl-hero .hero-art{order:0;margin-top:10px}
  .dl-stores{justify-content:flex-start}
  .hero-inner{grid-template-columns:1fr;gap:8px}
  .hero-art{order:-1;min-height:300px}
  .hero-art svg{width:min(78%,320px)}
  .matrix{grid-template-columns:1fr}
  .flagship-grid{grid-template-columns:1fr}
  .phone-stage{padding-block:44px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .store-row{justify-content:flex-start}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .nav-links{display:none}
  .foot{grid-template-columns:1fr 1fr}
  .flagship-foot{flex-direction:column;align-items:flex-start;gap:16px}
  .doc-endnote{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:460px){
  .foot{grid-template-columns:1fr}
  .brand .wordmark{font-size:1.2rem}
  .nav-cta{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;scroll-behavior:auto}
  .btn,.pcard,.doc,.store-btn,.store-lg,.nav-cta,.icon-btn,.phone,.principle,.face,.plan{transition:none}
}

/* ============================================================
   WHIMSY 产品页 — 随心 · 朱红强调（仍在深绿外壳内）
   仅 whimsy.html 用；复用既有 token/组件，下面补页面专属类。
   ============================================================ */
.whimsy{--pa:var(--vermilion);--pa-lit:var(--vermilion-lit)}
@media (prefers-color-scheme:dark){.whimsy{--pa:var(--vermilion-lit)}}
:root[data-theme="dark"] .whimsy{--pa:var(--vermilion-lit)}
:root[data-theme="light"] .whimsy{--pa:var(--vermilion)}

/* hero 永远深色 → 朱红一律用亮版保证对比 */
.whimsy .hero h1 em{color:var(--vermilion-lit)}
.whimsy-wm{display:inline-flex;align-items:center;gap:15px;margin-bottom:22px}
.whimsy-wm svg{width:48px;height:48px;flex:none;overflow:visible}
.whimsy-wm .wm{font-family:var(--font-display);font-size:clamp(1.9rem,3.4vw,2.5rem);font-weight:500;color:#F4EBD6;letter-spacing:.01em}
.whimsy-wm .wm b{font-weight:600;color:var(--vermilion-lit)}
.whimsy-wm .wm i{font-style:normal;color:rgba(237,230,213,.6);font-size:.6em;margin-left:.5em;letter-spacing:.05em}

/* hero 手机架（不用 .hero-art，避开其 svg 宽度规则波及样机内部图标）*/
.hero-phone{position:relative;display:grid;place-items:center;min-height:470px}
.hero-phone::before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:78%;height:68%;border-radius:50%;filter:blur(12px);
  background:radial-gradient(closest-side,rgba(199,90,72,.22),transparent)}
.hero-phone .phone{z-index:2}

/* 理念四点 */
.principle-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.principle{position:relative;background:var(--bg-elev);border:1px solid var(--hairline);
  border-radius:var(--radius);box-shadow:var(--card-shadow);padding:clamp(22px,2.6vw,30px);
  transition:transform .3s cubic-bezier(.2,.8,.2,1),border-color .3s}
.principle:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--pa) 40%,var(--hairline))}
.principle .pico{width:40px;height:40px;display:grid;place-items:center;border-radius:11px;
  color:var(--pa);background:color-mix(in srgb,var(--pa) 12%,transparent);
  border:1px solid color-mix(in srgb,var(--pa) 26%,transparent);margin-bottom:16px}
.principle .pico svg{width:21px;height:21px}
.principle h3{font-size:1.2rem;font-weight:600;letter-spacing:-.01em}
.principle p{margin-top:9px;color:var(--text-muted);font-size:.98rem;line-height:1.66}

/* 五个界面 */
.faces{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.face{background:var(--bg-elev);border:1px solid var(--hairline);border-radius:var(--radius-sm);
  padding:22px 16px;text-align:center;transition:transform .3s,border-color .3s}
.face:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--pa) 40%,var(--hairline))}
.face .g{font-family:var(--font-display);font-size:2rem;font-weight:600;color:var(--pa);line-height:1}
.face h4{margin:10px 0 0;font-family:var(--font-body);font-size:.92rem;font-weight:600;color:var(--text)}
.face p{margin-top:7px;font-size:.82rem;color:var(--text-muted);line-height:1.55}

/* 定价 */
.pricing{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;max-width:720px}
.plan{position:relative;background:var(--bg-elev);border:1px solid var(--hairline);
  border-radius:var(--radius);box-shadow:var(--card-shadow);padding:clamp(24px,3vw,32px);overflow:hidden}
.plan.featured{border-color:color-mix(in srgb,var(--pa) 55%,var(--hairline))}
.plan.featured::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--pa),transparent 72%)}
.plan .plan-name{font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted)}
.plan .plan-tag{position:absolute;top:16px;right:16px;font-size:.68rem;font-weight:600;letter-spacing:.05em;
  padding:4px 10px;border-radius:100px;color:var(--pa);
  background:color-mix(in srgb,var(--pa) 13%,transparent);border:1px solid color-mix(in srgb,var(--pa) 30%,transparent)}
.plan .plan-price{margin-top:16px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.plan .plan-price b{font-family:var(--font-display);font-size:2.6rem;font-weight:600;color:var(--text);line-height:1}
.plan .plan-price span{color:var(--text-muted);font-size:1rem}
.plan .plan-sub{margin-top:10px;color:var(--text-muted);font-size:.9rem}
.pricing-note{margin-top:24px;color:var(--text-muted);font-size:.9rem;display:flex;flex-wrap:wrap;gap:9px 18px;align-items:center}
.pricing-note span{display:inline-flex;align-items:center;gap:8px}
.pricing-note .dot{width:5px;height:5px;border-radius:50%;background:var(--pa);flex:none}

/* whimsy responsive */
@media (max-width:960px){
  .principle-grid{grid-template-columns:1fr}
  .faces{grid-template-columns:repeat(2,1fr)}
  .pricing{grid-template-columns:1fr}
  .hero-phone{order:-1;min-height:0;margin-bottom:8px}
}
@media (max-width:460px){
  .faces{grid-template-columns:1fr}
}

/* ============ DOCS (privacy / terms) — 并行构建时被覆盖，此处重建 ============ */
.doc-head{position:relative;overflow:hidden;color:#EDE6D5;isolation:isolate;border-bottom:1px solid var(--hairline-soft)}
.doc-head .bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(120% 80% at 82% -10%, rgba(233,205,133,.14), transparent 48%),
    radial-gradient(90% 70% at 10% 6%, rgba(26,74,57,.6), transparent 55%),
    linear-gradient(178deg,#0d2b21 0%,#0a2018 50%,#071812 100%);}
.doc-head .contours{position:absolute;inset:0;z-index:0;width:100%;height:100%;opacity:.42}
.doc-head .wrap{position:relative;z-index:2;padding-bottom:clamp(24px,4vw,40px)}
.doc-head-inner{padding-top:clamp(48px,8vw,84px);max-width:56ch}
.doc-head h1{font-family:var(--font-display);font-size:clamp(2.1rem,4.4vw,3.1rem);font-weight:400;color:#F6EFDD;margin-top:14px;letter-spacing:-.01em}
.doc-lead{margin-top:20px;max-width:52ch;font-size:clamp(1.02rem,1.3vw,1.14rem);color:rgba(237,230,213,.82);line-height:1.74}
.doc-meta{margin-top:14px;font-size:.85rem;color:rgba(237,230,213,.55);font-family:ui-monospace,"SF Mono",Menlo,monospace;letter-spacing:.02em}
.doc-flag{position:relative;z-index:2;display:flex;gap:14px;margin-top:28px;padding:16px 20px;border-radius:var(--radius-sm);
  background:rgba(201,162,75,.16);border:1px solid rgba(201,162,75,.4);color:#F6EFDD}
.doc-flag .ic{width:22px;height:22px;flex:none;color:var(--brass-lit);margin-top:1px}
.doc-flag b{display:block;font-weight:600;color:var(--brass-lit)}
.doc-flag .sub{display:block;margin-top:4px;font-size:.92rem;color:rgba(237,230,213,.78);line-height:1.6}
.doc{max-width:768px;margin:0 auto}
.doc-toc{background:var(--bg-elev);border:1px solid var(--hairline-soft);border-radius:var(--radius-sm);padding:22px 26px;margin-bottom:clamp(36px,5vw,52px);box-shadow:var(--card-shadow)}
.doc-toc h5{font-size:.76rem;text-transform:uppercase;letter-spacing:.14em;color:var(--text-muted);margin-bottom:12px}
.doc-toc ol{list-style:none;counter-reset:toc;display:grid;grid-template-columns:1fr 1fr;gap:6px 28px;margin:0;padding:0}
.doc-toc li{counter-increment:toc}
.doc-toc a{display:flex;gap:10px;padding:5px 0;color:var(--text)}
.doc-toc a::before{content:counter(toc,decimal-leading-zero);color:var(--accent);font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:.82em;opacity:.8}
.doc-toc a:hover{color:var(--accent)}
.doc-sec{margin-top:clamp(32px,4.5vw,48px);scroll-margin-top:92px}
.doc-sec h2{display:flex;align-items:baseline;gap:14px;font-size:clamp(1.3rem,2.3vw,1.7rem);font-weight:600;padding-bottom:12px;border-bottom:1px solid var(--hairline);margin-bottom:18px;letter-spacing:-.01em}
.doc-sec h2 .n{font-family:ui-monospace,"SF Mono",Menlo,monospace;font-size:.66em;color:var(--accent);font-weight:500;flex:none}
.doc p{line-height:1.82;color:var(--text);margin-bottom:14px;max-width:72ch}
.doc ul{list-style:none;margin:0 0 16px;padding:0}
.doc ul li{position:relative;padding-left:22px;margin-bottom:10px;line-height:1.75;color:var(--text)}
.doc ul li::before{content:"◆";position:absolute;left:2px;top:.05em;color:var(--brass);font-size:.7em}
.doc strong{font-weight:600;color:var(--text)}
.doc a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.doc-endnote{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;margin-top:clamp(44px,6vw,64px);padding-top:24px;border-top:1px solid var(--hairline);color:var(--text-muted);font-size:.9rem}
.doc-endnote .xlink{color:var(--accent);display:inline-flex;gap:6px;align-items:center}
.doc-endnote .xlink:hover{gap:9px}

/* ============ DOWNLOAD PAGE — 并行构建时被覆盖，此处重建 ============ */
.dl-inner{align-items:center}
.dl-stores{justify-content:flex-start;margin-top:26px}
.dl-note{margin-top:16px}
.dl-meta{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;padding-top:18px;padding-left:0;border-top:1px solid rgba(237,230,213,.18)}
.dl-meta li{font-size:.85rem;color:rgba(237,230,213,.66);font-family:ui-monospace,"SF Mono",Menlo,monospace}
.dl-art{min-height:auto}
.qr-card{background:rgba(246,239,221,.97);border:1px solid rgba(201,162,75,.35);border-radius:var(--radius);padding:26px;width:min(100%,320px);text-align:center;box-shadow:0 24px 60px -30px rgba(0,0,0,.6)}
.qr-eyebrow{display:block;font-size:.74rem;text-transform:uppercase;letter-spacing:.16em;color:#5A6B54;margin-bottom:16px}
.qr-frame{background:#fff;border-radius:12px;padding:14px;display:grid;place-items:center}
.qr-frame svg{width:100%;max-width:220px;height:auto}
.qr-cap{margin-top:14px;font-size:.82rem;color:#6A7A63}
.dl-more{background:var(--bg-sunk)}
.dl-more-inner{max-width:760px;margin:0 auto;text-align:center;background:var(--bg-elev);border:1px solid var(--hairline-soft);border-radius:var(--radius);padding:clamp(34px,5vw,54px);box-shadow:var(--card-shadow)}
.dl-more-inner .eyebrow{justify-content:center}
.dl-more-inner h2{font-size:clamp(1.6rem,3vw,2.3rem);margin-top:14px}
.dl-more-inner>p{color:var(--text-muted);margin-top:12px}
.dl-more-inner .tabs-line{justify-content:center;margin-top:24px}
.dl-more-inner .learn-link{margin-top:26px}
@media (max-width:840px){.qr-card{margin-top:22px}}

/* ================================================================
   REBRAND · 绿 = 品牌强调色,浅底专业版(覆盖前面的深绿铺底)
   —— 绿只作 logo/按钮/链接/高亮/图形,不再当背景铺满
   ================================================================ */
:root{ --accent:#1C5E40; --accent-deep:#123F2B; --btn-fill:#1C5E40; --btn-ink:#ffffff; }
:root[data-theme="light"]{ --accent:#1C5E40; --btn-fill:#1C5E40; --btn-ink:#fff; }
@media (prefers-color-scheme:dark){ :root{ --accent:#6FA98E; --btn-fill:#6FA98E; --btn-ink:#08160F; } }
:root[data-theme="dark"]{ --accent:#6FA98E; --btn-fill:#6FA98E; --btn-ink:#08160F; }

/* 按钮主色 = 绿 */
.btn-primary{background:var(--accent);color:var(--btn-ink);
  box-shadow:0 10px 28px -12px color-mix(in srgb,var(--accent) 55%,transparent)}
.btn-primary:hover{box-shadow:0 16px 36px -12px color-mix(in srgb,var(--accent) 66%,transparent)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* HERO → 浅底 + 绿强调(去掉深绿铺底与浅色反字) */
.hero{color:var(--text);border-bottom:1px solid var(--hairline)}
.hero-bg{background:
  radial-gradient(92% 72% at 82% -12%, color-mix(in srgb,var(--accent) 9%,transparent), transparent 56%),
  var(--bg)}
.hero-bg svg{opacity:.09}
.hero-wordmark .wm{color:var(--text)}
.hero-wordmark .wm b{color:var(--accent)}
.hero-wordmark .wm i{color:var(--text-muted)}
.hero h1{color:var(--text)}
.hero h1 em{color:var(--accent)}
.hero .lead{color:var(--text-muted)}
.eyebrow--onlight{color:var(--accent)}
.btn-onlight{border-color:var(--hairline);color:var(--text)}
.btn-onlight:hover{border-color:var(--accent);color:var(--accent)}

/* CTA / 下载段 → 浅底 + 绿强调 */
.cta-band{color:var(--text)}
.cta-band .bg{background:
  radial-gradient(80% 90% at 82% 8%, color-mix(in srgb,var(--accent) 7%,transparent), transparent 55%),
  var(--bg-elev)}
.cta-band .contours{opacity:.10}
.cta-inner h2{color:var(--text)}
.cta-inner h2 em{color:var(--accent)}
.cta-inner p{color:var(--text-muted)}
.cta-note{color:var(--text-muted)}
.store-lg{background:var(--accent);color:#fff}
.store-lg.ghost{background:transparent;color:var(--text);border:1px solid var(--hairline)}
.store-lg.ghost:hover{border-color:var(--accent);color:var(--accent)}

/* 文档页眉 → 浅底 + 绿强调 */
.doc-head{color:var(--text);border-bottom:1px solid var(--hairline)}
.doc-head .bg{background:
  radial-gradient(92% 80% at 82% -12%, color-mix(in srgb,var(--accent) 9%,transparent), transparent 56%),
  var(--bg-elev)}
.doc-head .contours{opacity:.10}
.doc-head h1{color:var(--text)}
.doc-lead{color:var(--text-muted)}
.doc-meta{color:var(--text-muted)}
.doc-flag{background:color-mix(in srgb,var(--accent) 9%, var(--bg-elev));
  border:1px solid color-mix(in srgb,var(--accent) 34%,transparent);color:var(--text)}
.doc-flag .ic,.doc-flag b{color:var(--accent)}
.doc-flag .sub{color:var(--text-muted)}

/* 暗色模式:去绿底,改暖中性深色(绿仍作强调,不再深绿铺满) */
@media (prefers-color-scheme:dark){ :root{ --bg:#111310; --bg-elev:#191C16; --bg-sunk:#0B0D0A; --hairline:rgba(230,235,225,.14); --hairline-soft:rgba(230,235,225,.08); } }
:root[data-theme="dark"]{ --bg:#111310; --bg-elev:#191C16; --bg-sunk:#0B0D0A; --hairline:rgba(230,235,225,.14); --hairline-soft:rgba(230,235,225,.08); }
#site-footer{background:var(--bg-sunk)}

/* ================================================================
   WHIMSY · 核心循环 + 为什么是随心 + 五界面补句
   浅底 · 图标/序号/箭头走产品朱红(--pa)，与页面其余绿强调分工
   ================================================================ */
/* 共用图标底(仿 .principle .pico，但作用于新块) */
.loop-step .pico,.why-item .pico{
  width:40px;height:40px;display:grid;place-items:center;border-radius:11px;flex:none;
  color:var(--pa);background:color-mix(in srgb,var(--pa) 12%,transparent);
  border:1px solid color-mix(in srgb,var(--pa) 26%,transparent);
}
.loop-step .pico svg,.why-item .pico svg{width:21px;height:21px}

/* 核心循环 */
.loop{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:16px;align-items:stretch}
.loop-step{background:var(--bg-elev);border:1px solid var(--hairline);border-radius:var(--radius);
  box-shadow:var(--card-shadow);padding:clamp(22px,2.6vw,30px);
  transition:transform .3s cubic-bezier(.2,.8,.2,1),border-color .3s}
.loop-step:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--pa) 40%,var(--hairline))}
.loop-step .step-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.loop-step .step-n{font-family:var(--font-display);font-size:1.7rem;font-weight:600;line-height:1;
  color:color-mix(in srgb,var(--pa) 45%,var(--text-muted))}
.loop-step h3{font-size:1.16rem;font-weight:600;letter-spacing:-.01em}
.loop-step p{margin-top:10px;color:var(--text-muted);font-size:.98rem;line-height:1.66}
.loop-arrow{align-self:center;justify-self:center;color:var(--pa);font-size:1.5rem;opacity:.5}

/* 为什么是随心 */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why-item{background:var(--bg-elev);border:1px solid var(--hairline);border-radius:var(--radius);
  box-shadow:var(--card-shadow);padding:clamp(22px,2.4vw,28px);
  transition:transform .3s cubic-bezier(.2,.8,.2,1),border-color .3s}
.why-item:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--pa) 40%,var(--hairline))}
.why-item .pico{margin-bottom:15px}
.why-item h3{font-size:1.1rem;font-weight:600;letter-spacing:-.01em}
.why-item p{margin-top:9px;color:var(--text-muted);font-size:.95rem;line-height:1.62}

/* 五界面补句「它替你做什么」 */
.face-do{margin-top:9px;font-size:.75rem;line-height:1.5;font-weight:500;color:var(--pa)}

@media (max-width:960px){
  .why{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .loop{grid-template-columns:1fr}
  .loop-arrow{transform:rotate(90deg)}
}
@media (max-width:560px){
  .why{grid-template-columns:1fr}
}

/* ================================================================
   DESKMATE 预告页 — 桌伴 · 青灰 teal 强调（浅底，与站内一致）
   仅 deskmate.html 用；复用既有 token/组件，下补页面专属类。
   青灰 = 产品强调(--pa)，eyebrow/标题仍走站点绿（与随心页分工一致）。
   ================================================================ */
.deskmate{--pa:var(--teal);--pa-lit:var(--teal-lit)}
@media (prefers-color-scheme:dark){.deskmate{--pa:var(--teal-lit)}}
:root[data-theme="dark"] .deskmate{--pa:var(--teal-lit)}
:root[data-theme="light"] .deskmate{--pa:var(--teal)}

/* hero 浅底基调由 REBRAND 段接管，这里只把强调点从站点绿换成青灰 */
.deskmate .hero-bg{background:
  radial-gradient(92% 72% at 82% -12%, color-mix(in srgb,var(--pa) 10%,transparent), transparent 56%),
  var(--bg)}
.deskmate .hero h1 em{color:var(--pa)}

/* 字标 桌伴 DeskMate */
.deskmate-wm{display:inline-flex;align-items:center;gap:15px;margin-bottom:22px}
.deskmate-wm svg{width:46px;height:46px;flex:none;overflow:visible;color:var(--pa)}
.deskmate-wm .wm{font-family:var(--font-display);font-size:clamp(1.9rem,3.4vw,2.5rem);
  font-weight:500;color:var(--text);letter-spacing:.01em}
.deskmate-wm .wm b{font-weight:600;color:var(--pa)}
.deskmate-wm .wm i{font-style:normal;color:var(--text-muted);font-size:.58em;margin-left:.5em;letter-spacing:.05em}

/* hero 投影 / 台面意象 */
.deskmate-art{position:relative;display:grid;place-items:center;min-height:430px}
.deskmate-art svg{width:min(100%,400px);height:auto;color:var(--pa);overflow:visible}
.deskmate-art::before{content:"";position:absolute;top:54%;left:50%;transform:translate(-50%,-50%);
  width:74%;height:56%;border-radius:50%;filter:blur(16px);
  background:radial-gradient(closest-side,color-mix(in srgb,var(--pa) 20%,transparent),transparent)}
.dm-head{animation:floaty 7s ease-in-out infinite}

/* 收束一句「更多细节随发布揭晓」 */
.dm-closing{padding-top:clamp(16px,3vw,32px)}
.dm-closing-inner{max-width:620px;margin-inline:auto;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:16px}
.dm-closing-inner .eyebrow{justify-content:center}
.dm-closing-line{font-family:var(--font-display);font-size:clamp(1.35rem,2.6vw,1.95rem);
  font-weight:500;color:var(--text);letter-spacing:-.01em;line-height:1.45}

/* 产品卡整卡可点（首页桌伴占位卡） */
a.pcard.placeholder{color:inherit}

@media (max-width:960px){
  .deskmate-art{min-height:0;margin-top:6px}
}
