/* ═══════════════════════════════════════════════════════════════
   Zephra Laurel · Design System v2
   Direction: "gallery-lit instrument" —— 深空底、单光源、编辑体大字、
   渐变发丝边框、颗粒质感。克制用色，靠光与尺度制造高级感。
   ═══════════════════════════════════════════════════════════════ */

/* ── 1. Tokens ─────────────────────────────────────────────── */
:root {
  /* 底与面：三级深度，不是纯黑 */
  --void: #06070880;
  --bg: #07080A;
  --bg-raise: #0B0D10;
  --panel: #101317;
  --panel-2: #151A20;

  /* 文字：四级，最后一级只用于超大字号 */
  --ink: #F5F3EE;
  --ink-2: #C3BFB5;
  --muted: #8F8C83;
  --dim: #6A6861;

  /* 线与光 */
  --line: rgb(245 243 238 / .075);
  --line-2: rgb(245 243 238 / .12);
  --line-3: rgb(245 243 238 / .22);
  --light: rgb(255 250 235 / .055);
  --glow: rgb(198 227 155 / .55);

  /* 强调：月桂绿（主）+ 冷钢蓝（数据） */
  --acc: #C6E39B;
  --acc-2: #A8CF77;
  --acc-ink: #0A1204;
  --acc-soft: rgb(198 227 155 / .10);
  --cool: #93B8CD;

  /* 字族：无衬线承担所有 UI；衬线斜体只做点睛 */
  --sans: "Archivo", ui-sans-serif, system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --serif: "Newsreader", "Songti SC", "SimSun", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --gut: clamp(20px, 5.2vw, 72px);
  --maxw: 1320px;
  --nav: 68px;

  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);
  --t-fast: .18s;
  --t-mid: .42s;
  --t-slow: .9s;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav) + 32px);
  background: #07080A;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  font-weight: 400;
  line-height: 1.78;
  letter-spacing: .002em;
  font-feature-settings: "tnum" 1, "ss01" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
p { margin: 0 0 1em; max-width: 64ch; text-wrap: pretty; }
.lead { text-wrap: pretty; }
p:last-child { margin-bottom: 0; }
::selection { background: var(--acc); color: var(--acc-ink); }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; border-radius: 2px; }

/* 页面级大气层：顶部光池 + 颗粒 */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(120% 78% at 78% -18%, rgb(198 227 155 / .085), transparent 62%),
    radial-gradient(90% 60% at 8% 4%, rgb(147 184 205 / .06), transparent 60%),
    radial-gradient(140% 100% at 50% 118%, rgb(0 0 0 / .7), transparent 60%);
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: .032;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, header.nav, footer { position: relative; z-index: 2; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important; scroll-behavior: auto !important;
  }
}

/* ── 2. Layout ─────────────────────────────────────────────── */
.wrap { width: min(100% - 2 * var(--gut), var(--maxw)); margin-inline: auto; }
.g12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(16px, 1.8vw, 26px); }
.c1 { grid-column: span 1; } .c2 { grid-column: span 2; } .c3 { grid-column: span 3; }
.c4 { grid-column: span 4; } .c5 { grid-column: span 5; } .c6 { grid-column: span 6; }
.c7 { grid-column: span 7; } .c8 { grid-column: span 8; } .c9 { grid-column: span 9; }
.c12 { grid-column: span 12; }
@media (max-width: 900px) { .g12 > * { grid-column: 1 / -1 !important; } }

.section { padding-block: clamp(76px, 9.5vw, 140px); position: relative; }
.section--tight { padding-block: clamp(52px, 6vw, 84px); }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ── 3. Typography ─────────────────────────────────────────── */
.mega {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(38px, 6.2vw, 96px);
  line-height: 1.04;
  letter-spacing: -.042em;
  margin: 0;
  text-wrap: balance;
}
.mega em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -.02em;
  color: var(--acc);
  padding-right: .04em;
}
@media (max-width: 560px) { .mega { font-size: clamp(34px, 10.2vw, 52px); line-height: 1.1; letter-spacing: -.035em; } }
/* 首页巨标题：单独收紧，保证两行落位 */
.hero .mega { font-size: clamp(36px, 6vw, 92px); line-height: 1.1; }

.h1 { font-family: var(--sans); font-weight: 500; font-size: clamp(32px, 4.2vw, 60px); line-height: 1.04; letter-spacing: -.035em; margin: 0; text-wrap: balance; }
.h2 { font-family: var(--sans); font-weight: 500; font-size: clamp(26px, 3vw, 42px); line-height: 1.1; letter-spacing: -.03em; margin: 0; text-wrap: balance; }
.h3 { font-family: var(--sans); font-weight: 500; font-size: clamp(18px, 1.5vw, 21px); line-height: 1.32; letter-spacing: -.014em; margin: 0; }
.h2 em, .h1 em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--acc); }

.lead { font-size: clamp(15.5px, 1.25vw, 18.5px); line-height: 1.7; color: var(--ink-2); max-width: 46ch; letter-spacing: -.004em; }
.small { font-size: 13.5px; line-height: 1.7; color: var(--muted); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.label {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 10.5px; font-weight: 400;
  letter-spacing: .22em; text-transform: uppercase; color: var(--muted);
}
.label::before { content: ""; width: 22px; height: 1px; background: linear-gradient(90deg, var(--acc), transparent); }
.label--bare::before { display: none; }

.grad-text {
  background: linear-gradient(178deg, var(--ink) 10%, rgb(245 243 238 / .52) 92%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

mark {
  background: none; color: var(--ink);
  box-shadow: inset 0 -.42em 0 var(--acc-soft);
}

/* ── 4. Nav ────────────────────────────────────────────────── */
.nav {
  position: fixed; inset: 0 0 auto; height: var(--nav); z-index: 60;
  background: rgb(7 8 10 / .72);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}
.nav__in { height: 100%; display: flex; align-items: center; gap: 10px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 500; letter-spacing: .16em; white-space: nowrap; }
.brand__mark {
  width: 20px; height: 20px; border-radius: 5px; position: relative; flex: 0 0 auto;
  background: linear-gradient(145deg, var(--acc), var(--acc-2));
  box-shadow: 0 0 0 1px rgb(255 255 255 / .1), 0 2px 12px rgb(198 227 155 / .3);
}
.brand__mark::after {
  content: ""; position: absolute; inset: 5px; border: 1.4px solid var(--acc-ink);
  border-radius: 2px; clip-path: polygon(0 0, 100% 0, 100% 46%, 0 100%);
}
.brand span { color: var(--muted); font-weight: 400; }
.nav__links { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav__link {
  position: relative; padding: 8px 14px; border-radius: 999px;
  font-size: 13.5px; color: var(--ink-2);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.nav__link:hover { color: var(--ink); background: rgb(245 243 238 / .045); }
.nav__link[aria-current="page"] { color: var(--ink); }
.nav__link[aria-current="page"]::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 1px;
  background: var(--acc); box-shadow: 0 0 8px var(--glow);
}
.nav__cta {
  margin-left: 12px; display: inline-flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 16px; border-radius: 999px;
  background: var(--ink); color: #0A0B0D; font-size: 13px; font-weight: 500;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.nav__cta:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgb(245 243 238 / .14); }
.nav__burger {
  display: none; margin-left: auto; width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--line-2); position: relative;
}
.nav__burger i {
  position: absolute; left: 11px; width: 18px; height: 1.2px; background: var(--ink);
  transition: transform var(--t-mid) var(--ease), opacity var(--t-fast);
}
.nav__burger i:nth-child(1) { top: 15px; }
.nav__burger i:nth-child(2) { top: 20px; }
.nav__burger i:nth-child(3) { top: 25px; }
.nav.is-open .nav__burger i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav.is-open .nav__burger i:nth-child(2) { opacity: 0; }
.nav.is-open .nav__burger i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: block; }
  .nav.is-open .nav__links {
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    position: fixed; top: var(--nav); left: 0; right: 0; padding: 10px var(--gut) 26px;
    background: rgb(7 8 10 / .97); border-bottom: 1px solid var(--line-2);
    -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  }
  .nav.is-open .nav__link { padding: 16px 4px; border-bottom: 1px solid var(--line); border-radius: 0; font-size: 17px; }
  .nav.is-open .nav__link[aria-current="page"]::after { display: none; }
  .nav.is-open .nav__cta { display: inline-flex; justify-content: center; margin-top: 18px; height: 46px; }
}

/* ── 5. Buttons ────────────────────────────────────────────── */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 50px; padding: 0 26px; border-radius: 999px;
  font-size: 14.5px; font-weight: 500; letter-spacing: -.005em; white-space: nowrap;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease), box-shadow var(--t-mid) var(--ease);
  will-change: transform;
}
.btn svg { width: 14px; height: 14px; transition: transform var(--t-fast) var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn--primary {
  background: linear-gradient(180deg, #D8F0B4, var(--acc) 55%, #B4D889);
  color: var(--acc-ink);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / .5), 0 1px 2px rgb(0 0 0 / .4), 0 8px 26px rgb(198 227 155 / .16);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: inset 0 1px 0 rgb(255 255 255 / .55), 0 14px 34px rgb(198 227 155 / .26); }
.btn--primary:active { transform: translateY(0) scale(.99); }
.btn--ghost {
  border: 1px solid var(--line-2); color: var(--ink);
  background: rgb(245 243 238 / .02);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.btn--ghost:hover { border-color: var(--line-3); background: rgb(245 243 238 / .05); transform: translateY(-2px); }
.btn--ghost:active { transform: translateY(0) scale(.99); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.link {
  display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: var(--acc);
  position: relative; padding-bottom: 2px;
}
.link::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform var(--t-mid) var(--ease);
}
.link:hover::after { transform: scaleX(1); transform-origin: left; }
.link svg { width: 12px; height: 12px; }

/* ── 6. Hero ───────────────────────────────────────────────── */
.hero { position: relative; padding-top: calc(var(--nav) + clamp(48px, 7vw, 92px)); padding-bottom: clamp(48px, 6vw, 80px); }
.hero__inner { position: relative; }
.hero__eyebrow { margin-bottom: clamp(22px, 3vw, 34px); }
.hero__title { margin-bottom: clamp(24px, 3vw, 38px); }
.hero__sub { max-width: 52ch; }
.hero__foot { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 28px 40px; margin-top: clamp(36px, 4.6vw, 56px); }
.hero__facts {
  margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, auto)); gap: 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.hero__facts > div { padding: 14px 26px 14px 0; margin-right: 26px; border-right: 1px solid var(--line); }
.hero__facts > div:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.hero__facts dt { font-family: var(--mono); font-size: 9.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--dim); }
.hero__facts dd { margin: 5px 0 0; font-size: 13.5px; color: var(--ink-2); }
@media (max-width: 640px) {
  .hero__facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero__facts > div { padding-right: 14px; margin-right: 14px; }
  .hero__facts > div:nth-child(2) { border-right: 0; }
  .hero__facts > div:nth-child(3) { border-top: 1px solid var(--line); padding-top: 12px; }
}

/* 卷轴提示 */
.scrollcue { display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--dim); }
.scrollcue i { display: block; width: 1px; height: 34px; background: linear-gradient(var(--acc), transparent); animation: cue 2.4s var(--ease-io) infinite; transform-origin: top; }
@keyframes cue { 0%,100% { transform: scaleY(.3); opacity: .4; } 50% { transform: scaleY(1); opacity: 1; } }

/* 浮动数据卡（Hero 右侧） */
.hero__aside { display: flex; flex-direction: column; align-items: flex-end; gap: 22px; padding-top: clamp(0px, 3vw, 46px); }
.hero__aside > * { width: 100%; max-width: 400px; }
.floatcard {
  position: relative; border-radius: var(--r-lg); padding: 1px;
  background: linear-gradient(160deg, rgb(245 243 238 / .16), rgb(245 243 238 / .03) 40%, rgb(198 227 155 / .16));
  box-shadow: 0 30px 70px -20px rgb(0 0 0 / .9), 0 0 0 1px rgb(0 0 0 / .5);
}
.floatcard__in {
  border-radius: calc(var(--r-lg) - 1px);
  background: linear-gradient(175deg, #12161B, #0A0C0F);
  padding: 18px 20px 16px;
}
.floatcard__head { display: flex; align-items: center; gap: 8px; padding-bottom: 13px; border-bottom: 1px solid var(--line); }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 0 3px rgb(198 227 155 / .13), 0 0 12px var(--glow); }
.floatcard__head .t { font-family: var(--mono); font-size: 9.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.floatcard__head .live { margin-left: auto; font-family: var(--mono); font-size: 9px; letter-spacing: .14em; color: var(--acc); }
.floatcard__rows { display: grid; gap: 0; margin-top: 4px; }
.fcrow { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid rgb(245 243 238 / .05); }
.fcrow:last-child { border-bottom: 0; }
.fcrow .k { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.fcrow .v { font-family: var(--mono); font-size: 17px; color: var(--ink); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.fcrow .v.is-acc { color: var(--acc); }
.floatcard__foot { display: flex; flex-wrap: wrap; gap: 6px 14px; justify-content: space-between; padding-top: 12px; margin-top: 2px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 9px; letter-spacing: .14em; color: var(--dim); text-transform: uppercase; }

/* 竖排规格（作品页 Hero 右侧） */
.vfacts { margin: 0; border-top: 1px solid var(--line); }
.vfacts > div { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.vfacts dt { font-family: var(--mono); font-size: 9.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--dim); }
.vfacts dd { margin: 0; font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); letter-spacing: -.01em; }

/* ── 7. Chapter head ───────────────────────────────────────── */
.chapter { margin-bottom: clamp(30px, 4vw, 54px); }
.chapter__rail { display: flex; align-items: baseline; gap: 16px; margin-bottom: 18px; }
.chapter__no { font-family: var(--mono); font-size: 11px; letter-spacing: .22em; color: var(--acc); }
.chapter__t {
  margin: 0; font-family: var(--mono); font-size: 9.5px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--dim); line-height: 1.6;
}
.chapter__t br { display: none; }
.chapter__t { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chapter__body { max-width: 74ch; }
.chapter__body .h2 { margin-bottom: 14px; }
.chapter__body .lead { max-width: 56ch; }

/* ── 8. 卡片：渐变发丝 + 聚光 ─────────────────────────────── */
.card {
  position: relative; border-radius: var(--r-md); padding: 1px; isolation: isolate;
  background: linear-gradient(160deg, rgb(245 243 238 / .13), rgb(245 243 238 / .035) 46%, rgb(245 243 238 / .08));
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; z-index: -1; opacity: 0;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 0%), rgb(198 227 155 / .16), transparent 62%);
  transition: opacity var(--t-mid) var(--ease);
}
.card:hover::before, .card:focus-within::before { opacity: 1; }
.card:hover { transform: translateY(-3px); box-shadow: 0 24px 50px -26px rgb(0 0 0 / .9); }
.card__in {
  border-radius: calc(var(--r-md) - 1px); height: 100%;
  background: linear-gradient(172deg, #111419, #0A0C0F 78%);
  padding: clamp(20px, 2.2vw, 30px);
  display: flex; flex-direction: column; gap: 12px;
}
.card__tag { font-family: var(--mono); font-size: 9.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--dim); }
.card__t { font-family: var(--sans); font-weight: 500; font-size: clamp(18px, 1.7vw, 22px); line-height: 1.3; letter-spacing: -.018em; margin: 0; color: var(--ink); }
.card__d { font-size: 13.8px; line-height: 1.75; color: var(--muted); margin: 0; }
.card__num { font-family: var(--mono); font-size: clamp(26px, 2.6vw, 38px); line-height: 1; letter-spacing: -.03em; color: var(--acc); font-variant-numeric: tabular-nums; }

/* ── 9. 目录行 ─────────────────────────────────────────────── */
.idx { border-top: 1px solid var(--line); }
.idx__row {
  display: grid; grid-template-columns: 72px minmax(0, .95fr) minmax(0, 1.25fr) 44px;
  align-items: baseline; gap: 20px 28px; padding: 28px 6px;
  border-bottom: 1px solid var(--line); position: relative; isolation: isolate;
  transition: padding var(--t-mid) var(--ease);
}
.idx__row::before {
  content: ""; position: absolute; inset: 0 -16px; z-index: -1; border-radius: var(--r-sm); opacity: 0;
  background: radial-gradient(80% 120% at 20% 50%, rgb(198 227 155 / .07), transparent 70%);
  transition: opacity var(--t-mid) var(--ease);
}
.idx__row:hover::before { opacity: 1; }
.idx__row:hover { padding-left: 14px; }
.idx__no { font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; color: var(--dim); transition: color var(--t-fast); }
.idx__row:hover .idx__no { color: var(--acc); }
.idx__t { font-family: var(--sans); font-weight: 500; font-size: clamp(20px, 2.2vw, 28px); line-height: 1.2; letter-spacing: -.026em; }
.idx__row:hover .idx__t { color: var(--ink); }
.idx__d { font-size: 14px; line-height: 1.7; color: var(--muted); }
.idx__a { justify-self: end; align-self: center; color: var(--dim); font-size: 15px; transition: transform var(--t-mid) var(--ease), color var(--t-fast); }
.idx__row:hover .idx__a { transform: translate(3px, -3px); color: var(--acc); }
@media (max-width: 900px) {
  .idx__row { grid-template-columns: 44px minmax(0, 1fr) 24px; gap: 6px 14px; padding: 22px 0; }
  .idx__d { grid-column: 2 / 3; }
}

/* ── 10. 实时条 ────────────────────────────────────────────── */
.strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-radius: var(--r-md); padding: 1px;
  background: linear-gradient(140deg, rgb(245 243 238 / .12), rgb(245 243 238 / .03) 50%, rgb(198 227 155 / .12)); }
.strip > div { background: #0B0E11; padding: 20px 22px; }
.strip > div:first-child { border-radius: calc(var(--r-md) - 1px) 0 0 calc(var(--r-md) - 1px); }
.strip > div:last-child { border-radius: 0 calc(var(--r-md) - 1px) calc(var(--r-md) - 1px) 0; }
.strip .k { font-family: var(--mono); font-size: 9.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--dim); }
.strip .v { margin-top: 8px; font-family: var(--mono); font-size: clamp(22px, 2.4vw, 32px); letter-spacing: -.03em; color: var(--ink); font-variant-numeric: tabular-nums; line-height: 1.1; }
.strip .v.is-acc { color: var(--acc); }
.strip .n { margin-top: 3px; font-size: 12px; color: var(--dim); }
@media (max-width: 760px) {
  .strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .strip > div:first-child { border-radius: calc(var(--r-md) - 1px) 0 0 0; }
  .strip > div:nth-child(2) { border-radius: 0 calc(var(--r-md) - 1px) 0 0; }
  .strip > div:nth-child(3) { border-radius: 0 0 0 calc(var(--r-md) - 1px); }
  .strip > div:last-child { border-radius: 0 0 calc(var(--r-md) - 1px) 0; }
}

/* ── 11. App 窗口 ──────────────────────────────────────────── */
.win { border-radius: var(--r-lg); padding: 1px; background: linear-gradient(150deg, rgb(245 243 238 / .18), rgb(245 243 238 / .04) 45%, rgb(245 243 238 / .1));
  box-shadow: 0 40px 90px -40px rgb(0 0 0 / .95); }
.win__in { border-radius: calc(var(--r-lg) - 1px); overflow: hidden; background: #0B0E12; }
.win__bar { display: flex; align-items: center; gap: 7px; height: 42px; padding: 0 16px; background: linear-gradient(180deg, #171C22, #12161B); border-bottom: 1px solid var(--line); }
.win__bar i { width: 9px; height: 9px; border-radius: 50%; background: rgb(245 243 238 / .13); }
.win__bar i:nth-child(1) { background: rgb(232 138 106 / .5); }
.win__bar i:nth-child(2) { background: rgb(214 184 122 / .5); }
.win__bar i:nth-child(3) { background: rgb(198 227 155 / .45); }
.win__bar .t { margin-left: 12px; font-family: var(--mono); font-size: 10px; letter-spacing: .14em; color: var(--dim); text-transform: uppercase; }
.win__body { display: grid; grid-template-columns: 200px minmax(0, 1fr); min-height: 400px; }
.win__side { border-right: 1px solid var(--line); padding: 16px 0; background: rgb(0 0 0 / .18); }
.win__grp { padding: 0 18px; margin: 16px 0 7px; font-family: var(--mono); font-size: 9px; letter-spacing: .2em; color: var(--dim); text-transform: uppercase; }
.win__nav { display: flex; align-items: center; gap: 10px; padding: 8px 18px; font-size: 13px; color: var(--ink-2); position: relative; }
.win__nav::before { content: ""; width: 3px; height: 3px; border-radius: 50%; background: var(--dim); flex: 0 0 auto; }
.win__nav.on { color: var(--ink); background: linear-gradient(90deg, rgb(198 227 155 / .1), transparent); }
.win__nav.on::before { background: var(--acc); box-shadow: 0 0 0 3px rgb(198 227 155 / .14), 0 0 8px var(--glow); }
.win__main { padding: clamp(18px, 2vw, 26px); }
.win__hd { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.win__hd h4 { margin: 0; font-family: var(--sans); font-size: 18px; font-weight: 500; letter-spacing: -.02em; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; border: 1px solid rgb(198 227 155 / .28); background: rgb(198 227 155 / .07); font-family: var(--mono); font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--acc); }
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-sm); margin: 18px 0; overflow: hidden; }
.kpis > div { background: #0D1014; padding: 12px 14px; }
.kpis .k { font-family: var(--mono); font-size: 8.5px; letter-spacing: .16em; color: var(--dim); text-transform: uppercase; }
.kpis .v { font-family: var(--mono); font-size: 19px; color: var(--ink); letter-spacing: -.02em; margin-top: 3px; }
.mtable { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.mtable th { text-align: left; font-family: var(--mono); font-size: 9px; letter-spacing: .16em; color: var(--dim); font-weight: 400; text-transform: uppercase; padding: 4px 8px 9px; border-bottom: 1px solid var(--line); }
.mtable td { padding: 8px; border-bottom: 1px solid rgb(245 243 238 / .04); color: var(--ink-2); }
.mtable tr:last-child td { border-bottom: 0; }
.mtable .pts { font-family: var(--mono); text-align: right; color: var(--ink); font-variant-numeric: tabular-nums; }
.mtable .is-top td { color: var(--ink); }
.mtable .is-top .pts { color: var(--acc); }
.badge { display: inline-flex; align-items: center; justify-content: center; min-width: 17px; height: 17px; padding: 0 3px; margin-right: 3px; font-family: var(--mono); font-size: 10px; border: 1px solid var(--line-2); border-radius: 3px; color: var(--ink-2); }
@media (max-width: 900px) {
  .win__body { grid-template-columns: minmax(0, 1fr); }
  .win__side { display: flex; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); padding: 10px; gap: 6px; }
  .win__grp { display: none; }
  .win__nav { white-space: nowrap; padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; }
  .win__nav::before { display: none; }
  .win__nav.on { border-color: rgb(198 227 155 / .35); }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ── 12. 规格行 ────────────────────────────────────────────── */
.spec { border-top: 1px solid var(--line); }
.spec__row { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 24px 44px; padding: 26px 0; border-bottom: 1px solid var(--line); position: relative; }
.spec__row::before { content: ""; position: absolute; left: -14px; top: 12px; bottom: 12px; width: 1px; background: linear-gradient(var(--acc), transparent); opacity: 0; transition: opacity var(--t-mid); }
.spec__row:hover::before { opacity: .7; }
.spec__k { font-family: var(--mono); font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); padding-top: 4px; }
.spec__v { font-size: 14.8px; line-height: 1.85; color: var(--ink-2); max-width: 74ch; }
.spec__v strong { color: var(--ink); font-weight: 500; }
.spec__v .tag2 { display: inline-block; margin: 3px 5px 3px 0; padding: 2px 9px; border: 1px solid var(--line-2); border-radius: 5px; font-family: var(--mono); font-size: 10.5px; color: var(--ink-2); }
@media (max-width: 900px) { .spec__row { grid-template-columns: minmax(0, 1fr); gap: 8px; } .spec__row::before { display: none; } }

/* ── 13. 代码 / 流程 ───────────────────────────────────────── */
.code {
  border-radius: var(--r-md); padding: 1px;
  background: linear-gradient(150deg, rgb(245 243 238 / .12), rgb(245 243 238 / .03));
}
.code pre {
  margin: 0; border-radius: calc(var(--r-md) - 1px); background: #090B0E;
  padding: 22px 24px; overflow: auto; font-family: var(--mono); font-size: 12.5px; line-height: 1.95; color: var(--ink-2);
}
.code .k { color: var(--acc); } .code .s { color: var(--cool); } .code .c { color: var(--dim); } .code .n { color: #D6B87A; }

.flow { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 14px; margin-top: 34px; }
.flow__n { border-radius: var(--r-md); padding: 18px 20px; background: linear-gradient(170deg, #12161B, #0A0C0F); border: 1px solid var(--line); position: relative; }
.flow__n .s { font-family: var(--mono); font-size: 9.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--dim); }
.flow__n .t { margin-top: 5px; font-family: var(--sans); font-weight: 500; font-size: 16px; letter-spacing: -.015em; }
.flow__n.is-acc { border-color: rgb(198 227 155 / .26); background: linear-gradient(170deg, rgb(198 227 155 / .08), rgba(10, 12, 15, .9)); }
.flow__n.is-acc .s { color: var(--acc); }
.flow__ar { color: var(--dim); font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-align: center; }
@media (max-width: 900px) { .flow { grid-template-columns: minmax(0, 1fr); } .flow__ar { padding: 2px 0; } }

/* ── 14. 步骤 ──────────────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--line); }
.steps > div { background: linear-gradient(175deg, #101318, #0A0C0F); padding: 26px 24px 30px; position: relative; }
.steps .no { font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; color: var(--acc); }
.steps .t { margin-top: 16px; font-family: var(--sans); font-weight: 500; font-size: 17px; letter-spacing: -.018em; }
.steps .d { margin-top: 8px; font-size: 13.5px; line-height: 1.75; color: var(--muted); }
@media (max-width: 900px) { .steps { grid-template-columns: minmax(0, 1fr); } }

/* ── 15. 关于页 ────────────────────────────────────────────── */
.about2 { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
@media (max-width: 900px) { .about2 { grid-template-columns: minmax(0, 1fr); } }
.dl { border-top: 1px solid var(--line); }
.dl > div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.dl .k { font-family: var(--mono); font-size: 9.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--dim); }
.dl .v { font-size: 13.8px; color: var(--ink-2); }
.quote { margin: 0; padding-top: 26px; border-top: 1px solid var(--line); }
.quote p { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: clamp(26px, 3.4vw, 46px); line-height: 1.24; letter-spacing: -.02em; color: var(--ink); margin: 0; max-width: 20ch; }
.quote cite { display: block; margin-top: 22px; font-family: var(--mono); font-size: 10px; font-style: normal; letter-spacing: .2em; text-transform: uppercase; color: var(--dim); }
.tl { border-top: 1px solid var(--line); }
.tl > div { display: grid; grid-template-columns: 118px minmax(0, 1fr); gap: 22px; padding: 17px 0; border-bottom: 1px solid var(--line); align-items: baseline; position: relative; }
.tl .y { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; color: var(--dim); }
.tl .e { font-size: 14.5px; color: var(--ink); line-height: 1.6; }
.tl .e small { display: block; color: var(--muted); font-size: 12.5px; margin-top: 3px; }
.tl > div.is-now .y { color: var(--acc); }
.tl > div.is-now::before { content: ""; position: absolute; left: -14px; top: 24px; width: 5px; height: 5px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 10px var(--glow); }
@media (max-width: 560px) { .tl > div { grid-template-columns: 84px minmax(0, 1fr); gap: 12px; } }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chips span { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line-2); font-family: var(--mono); font-size: 11px; color: var(--ink-2); transition: all var(--t-fast) var(--ease); }
.chips span:hover { border-color: rgb(198 227 155 / .4); color: var(--acc); background: var(--acc-soft); }

/* ── 16. Footer ────────────────────────────────────────────── */
.footer { border-top: 1px solid var(--line); padding-top: clamp(56px, 7vw, 92px); padding-bottom: 26px; background: linear-gradient(180deg, transparent, rgb(0 0 0 / .35)); }
.ftop { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: 36px; }
.fpitch { font-family: var(--serif); font-style: italic; font-size: clamp(21px, 2.2vw, 30px); line-height: 1.32; letter-spacing: -.02em; color: var(--ink-2); max-width: 22ch; margin: 0; }
.fcol h3 { margin: 0 0 14px; font-family: var(--mono); font-size: 9.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--dim); font-weight: 400; }
.fcol a, .fcol span { display: block; padding: 5px 0; font-size: 13.5px; color: var(--ink-2); transition: color var(--t-fast) var(--ease), transform var(--t-fast); }
.fcol a:hover { color: var(--acc); transform: translateX(3px); }
.fbot { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; align-items: center;
  margin-top: clamp(40px, 5vw, 70px); padding-top: 20px; border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .14em; color: var(--dim); text-transform: uppercase; }
.fword {
  font-family: var(--sans); font-weight: 500;
  font-size: clamp(34px, 10.6vw, 148px); line-height: .84; letter-spacing: -.055em;
  margin: clamp(34px, 4.6vw, 62px) 0 0; white-space: nowrap; overflow: hidden;
  background: linear-gradient(180deg, var(--ink) 8%, rgb(245 243 238 / .1) 96%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
@media (max-width: 900px) { .ftop { grid-template-columns: repeat(2, minmax(0, 1fr)); } .fpitch { grid-column: 1 / -1; } }

/* ── 17. 收尾 CTA ──────────────────────────────────────────── */
.cta { position: relative; border-radius: var(--r-lg); padding: 1px; overflow: hidden;
  background: linear-gradient(150deg, rgb(198 227 155 / .34), rgb(245 243 238 / .05) 40%, rgb(245 243 238 / .14)); }
.cta__in { border-radius: calc(var(--r-lg) - 1px); background: radial-gradient(120% 140% at 80% 0%, rgb(198 227 155 / .09), transparent 55%), linear-gradient(175deg, #0F1216, #080A0C);
  padding: clamp(30px, 4.4vw, 58px); display: grid; grid-template-columns: minmax(0, 1.3fr) auto; gap: 28px; align-items: center; }
.cta__in .h2 { margin-bottom: 12px; }
@media (max-width: 900px) { .cta__in { grid-template-columns: minmax(0, 1fr); } }

/* ── 18. 通用 ──────────────────────────────────────────────── */
.skip { position: absolute; left: -9999px; top: 10px; z-index: 100; padding: 9px 16px; border-radius: var(--r-sm); background: var(--acc); color: var(--acc-ink); font-size: 13px; }
.skip:focus { left: var(--gut); }
.mt-2 { margin-top: 8px; } .mt-3 { margin-top: 12px; } .mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; } .mt-8 { margin-top: 32px; } .mt-10 { margin-top: 40px; }
.mb-6 { margin-bottom: 24px; }
.note { font-size: 12.5px; line-height: 1.75; color: var(--dim); }
.center { text-align: center; }
.flex { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ── 19. 大屏页 ────────────────────────────────────────────── */
.board-wrap { border-radius: var(--r-lg); padding: 1px;
  background: linear-gradient(150deg, rgb(245 243 238 / .14), rgb(245 243 238 / .03) 50%, rgb(198 227 155 / .14)); }
.board-in { border-radius: calc(var(--r-lg) - 1px); background: linear-gradient(175deg, #0E1115, #080A0C); padding: clamp(16px, 2.2vw, 28px); }
.board-top { display: flex; align-items: center; gap: 10px; padding-bottom: 18px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.board-top .txt { font-family: var(--mono); font-size: 9.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }

/* ── 20. 游戏页 ────────────────────────────────────────────── */
.arcade { border-radius: var(--r-lg); padding: 1px;
  background: linear-gradient(150deg, rgb(245 243 238 / .14), rgb(245 243 238 / .03) 50%, rgb(198 227 155 / .1)); }
.arcade__in { border-radius: calc(var(--r-lg) - 1px); background: linear-gradient(175deg, #0E1115, #080A0C); padding: clamp(16px, 2.4vw, 28px); }
.tabs { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding-bottom: 16px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.tab { padding: 9px 18px; border-radius: 999px; font-size: 13.5px; color: var(--muted); border: 1px solid transparent; transition: all var(--t-fast) var(--ease); }
.tab:hover { color: var(--ink); background: rgb(245 243 238 / .04); }
.tab[aria-selected="true"] { background: linear-gradient(180deg, #D8F0B4, var(--acc)); color: var(--acc-ink); font-weight: 500; border-color: transparent; box-shadow: 0 6px 20px rgb(198 227 155 / .2); }
.tab-note { margin-left: auto; font-family: var(--mono); font-size: 9.5px; letter-spacing: .16em; color: var(--dim); text-transform: uppercase; }
@media (max-width: 700px) { .tab-note { display: none; } }

/* ── 21. 动效初始态（fx.js 会覆盖） ────────────────────────── */
[data-reveal] { opacity: 0; }
html.js-off [data-reveal], .no-anim [data-reveal] { opacity: 1; }
/* 首屏行：淡入上移（不做遮罩裁剪——CJK 字形升降部会被裁掉） */
.rise { display: block; }
.rise > span { display: block; opacity: 0; transform: translateY(18px); }
@media (prefers-reduced-motion: reduce) { .rise > span { opacity: 1; transform: none; } }