/* ==========================================================================
   aisse 艾思信使 · 设计系统
   深空蓝底 + 青蓝渐变（取自 logo）
   ========================================================================== */

:root {
  /* 品牌色 —— 取自 logo 渐变 */
  --brand-cyan: #00d9c8;
  --brand-cyan-soft: #4ff0e2;
  --brand-blue: #2a8cf0;
  --brand-blue-soft: #6cb8ff;
  --brand-grad: linear-gradient(112deg, #00d9c8 0%, #2a8cf0 55%, #7b6cf6 100%);
  --brand-grad-soft: linear-gradient(112deg, rgba(0, 217, 200, .16) 0%, rgba(42, 140, 240, .16) 55%, rgba(123, 108, 246, .14) 100%);

  /* 深色底 —— 深空蓝，非纯黑 */
  --bg-0: #070d18;
  --bg-1: #0b1322;
  --bg-2: #101b2e;
  --bg-3: #16233a;
  --line: rgba(255, 255, 255, .09);
  --line-soft: rgba(255, 255, 255, .055);
  --line-strong: rgba(255, 255, 255, .16);

  /* 文字 */
  --text-1: #eaf1fb;
  --text-2: #a9bbd3;
  --text-3: #6f839f;

  /* 语义色 */
  --ok: #35d39a;
  --warn: #ffb454;
  --danger: #ff6b7d;
  --info: #58a6ff;

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 22px;
  --radius-xl: 30px;

  --shadow-1: 0 2px 8px rgba(0, 0, 0, .28);
  --shadow-2: 0 12px 32px -8px rgba(0, 0, 0, .55);
  --shadow-3: 0 32px 72px -20px rgba(0, 0, 0, .7);
  --glow: 0 0 0 1px rgba(0, 217, 200, .28), 0 18px 48px -14px rgba(0, 217, 200, .4);

  --maxw: 1180px;
  --pad: 24px;

  --font: "Inter", "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
    "Noto Sans CJK SC", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text-1);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; border: none; background: none; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; letter-spacing: -.02em; font-weight: 650; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: rgba(0, 217, 200, .28); color: #fff; }

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: #23324c; border-radius: 99px; border: 3px solid var(--bg-0); }
::-webkit-scrollbar-thumb:hover { background: #2f4467; }

/* ==========================================================================
   布局
   ========================================================================== */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.section { padding: 104px 0; position: relative; }
.section--tight { padding: 72px 0; }

/* 章节头 */
.sec-head { max-width: 720px; margin-bottom: 56px; }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }

.sec-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brand-cyan);
  padding: 6px 12px 6px 10px;
  border: 1px solid rgba(0, 217, 200, .26);
  border-radius: 99px;
  background: rgba(0, 217, 200, .07);
  margin-bottom: 20px;
}
.sec-kicker i {
  width: 5px; height: 5px; border-radius: 99px; background: var(--brand-cyan);
  box-shadow: 0 0 0 4px rgba(0, 217, 200, .16);
}
.sec-title { font-size: clamp(28px, 4vw, 44px); }
.sec-sub { margin-top: 18px; color: var(--text-2); font-size: 17px; line-height: 1.8; }

.grad-text {
  background: var(--brand-grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ==========================================================================
   导航
   ========================================================================== */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: 68px;
  display: flex; align-items: center;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(7, 13, 24, .78);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom-color: var(--line);
}
.nav__in { display: flex; align-items: center; gap: 40px; width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }

.brand { display: flex; align-items: center; gap: 9px; flex-shrink: 0; }
.brand img { height: 26px; width: auto; }
.brand__badge {
  font-size: 10.5px; font-weight: 700; letter-spacing: .1em;
  padding: 3px 7px; border-radius: 6px;
  background: var(--brand-grad); color: #04121b;
}

.nav__links { display: flex; align-items: center; gap: 30px; margin-left: 4px; }
.nav__links a {
  font-size: 14.5px; color: var(--text-2); font-weight: 500;
  position: relative; padding: 6px 0; transition: color .2s;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--brand-grad); transition: right .28s cubic-bezier(.4, 0, .2, 1);
}
.nav__links a:hover { color: var(--text-1); }
.nav__links a:hover::after { right: 0; }

.nav__cta { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.nav__toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 11px; align-items: center; justify-content: center; }
.nav__toggle span { display: block; width: 17px; height: 1.6px; background: var(--text-1); border-radius: 2px; position: relative; transition: .25s; }
.nav__toggle span::before, .nav__toggle span::after { content: ""; position: absolute; left: 0; width: 17px; height: 1.6px; background: var(--text-1); border-radius: 2px; transition: .25s; }
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after { top: 6px; }

/* ==========================================================================
   按钮
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 20px; border-radius: 12px;
  font-size: 14.5px; font-weight: 600; letter-spacing: .01em;
  white-space: nowrap; cursor: pointer;
  transition: transform .18s cubic-bezier(.34, 1.4, .64, 1), box-shadow .24s, background .24s, border-color .24s, color .24s;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn--primary {
  background: var(--brand-grad); color: #04121b;
  box-shadow: 0 6px 20px -6px rgba(0, 217, 200, .5);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -8px rgba(0, 217, 200, .62); }
.btn--ghost { border: 1px solid var(--line-strong); color: var(--text-1); background: rgba(255, 255, 255, .03); }
.btn--ghost:hover { border-color: rgba(0, 217, 200, .5); background: rgba(0, 217, 200, .08); transform: translateY(-2px); }
.btn--lg { height: 52px; padding: 0 28px; font-size: 15.5px; border-radius: 14px; }
.btn--sm { height: 36px; padding: 0 14px; font-size: 13px; border-radius: 10px; }
.btn--block { width: 100%; }

/* ==========================================================================
   背景装饰
   ========================================================================== */
.bg-deco { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.bg-deco::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(0, 217, 200, .17), transparent 62%),
    radial-gradient(760px 520px at 88% 4%, rgba(42, 140, 240, .17), transparent 60%),
    radial-gradient(700px 600px at 50% 108%, rgba(123, 108, 246, .12), transparent 60%);
}
.bg-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 78%);
}
.bg-noise { position: absolute; inset: 0; opacity: .16; mix-blend-mode: overlay; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { position: relative; padding: 152px 0 88px; overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 64px; align-items: center; }

.pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 6px; border-radius: 99px;
  background: rgba(255, 255, 255, .045);
  border: 1px solid var(--line);
  font-size: 13px; color: var(--text-2); font-weight: 500;
  margin-bottom: 28px;
}
.pill b {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--brand-grad); color: #04121b;
  font-size: 11px; font-weight: 700; letter-spacing: .04em;
  padding: 3px 9px; border-radius: 99px;
}
.pill i { width: 6px; height: 6px; border-radius: 99px; background: var(--brand-cyan); animation: pulse 2.2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 217, 200, .5); } 50% { opacity: .6; box-shadow: 0 0 0 6px rgba(0, 217, 200, 0); } }

.hero h1 { font-size: clamp(36px, 5.4vw, 62px); font-weight: 680; line-height: 1.1; letter-spacing: -.035em; }
.hero h1 em { font-style: normal; }
.hero__lead { margin-top: 24px; font-size: 17.5px; color: var(--text-2); line-height: 1.85; max-width: 560px; }
.hero__lead b { color: var(--text-1); font-weight: 600; }

.hero__actions { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero__note { margin-top: 18px; font-size: 13px; color: var(--text-3); display: flex; align-items: center; gap: 7px; }

/* Hero 侧：产品界面预览 */
.hero__viz { position: relative; }
.hero__viz-glow {
  position: absolute; inset: -14% -8%;
  background: var(--brand-grad-soft);
  filter: blur(64px); border-radius: 50%; z-index: -1;
}

.shell {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  background: linear-gradient(168deg, rgba(22, 35, 58, .96), rgba(11, 19, 34, .98));
  box-shadow: var(--shadow-3), inset 0 1px 0 rgba(255, 255, 255, .07);
  overflow: hidden;
}
.shell__bar {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-bottom: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, .022);
}
.dots { display: flex; gap: 6px; }
.dots i { width: 9px; height: 9px; border-radius: 99px; background: #2a3a55; }
.shell__url {
  flex: 1; height: 26px; border-radius: 8px; background: rgba(0, 0, 0, .3);
  border: 1px solid var(--line-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 11.5px; color: var(--text-3); font-family: var(--mono);
}
.shell__body { padding: 18px; }

/* 悬浮回复卡 —— 核心视觉 */
.hud-cue {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: var(--radius-m);
  background: rgba(0, 217, 200, .07);
  border: 1px solid rgba(0, 217, 200, .22);
  margin-bottom: 14px;
}
.hud-avatar {
  width: 38px; height: 38px; border-radius: 12px; flex-shrink: 0;
  background: var(--brand-grad);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; color: #04121b;
  position: relative;
}
.hud-avatar::after {
  content: ""; position: absolute; right: -2px; bottom: -2px;
  width: 11px; height: 11px; border-radius: 99px; background: var(--ok);
  border: 2.5px solid #101b2e;
}
.hud-cue__t { font-size: 13.5px; font-weight: 600; }
.hud-cue__s { font-size: 12px; color: var(--text-3); margin-top: 1px; }

.msg { display: flex; gap: 10px; margin-bottom: 10px; align-items: flex-end; }
.msg--in .msg__av { width: 28px; height: 28px; border-radius: 9px; background: #1e2c46; flex-shrink: 0; }
.msg__bub {
  padding: 10px 14px; border-radius: 14px 14px 14px 4px;
  background: #16233a; font-size: 13.5px; color: var(--text-1);
  max-width: 78%; line-height: 1.6;
}
.msg--out { justify-content: flex-end; }
.msg--out .msg__bub { border-radius: 14px 14px 4px 14px; background: var(--brand-grad); color: #04121b; font-weight: 500; }

.read-card {
  margin-top: 14px; border-radius: var(--radius-m);
  border: 1px solid rgba(0, 217, 200, .24);
  background: linear-gradient(160deg, rgba(0, 217, 200, .09), rgba(42, 140, 240, .06));
  padding: 15px;
}
.read-card__hd { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.read-card__ttl { font-size: 12.5px; font-weight: 700; letter-spacing: .06em; color: var(--brand-cyan); }
.risk {
  display: flex; align-items: center; gap: 7px;
  font-size: 11.5px; font-weight: 700;
  padding: 3px 9px; border-radius: 99px;
}
.risk__bar { width: 46px; height: 4px; border-radius: 99px; background: rgba(255, 255, 255, .12); position: relative; overflow: hidden; }
.risk__bar i { position: absolute; inset: 0 auto 0 0; border-radius: 99px; background: var(--brand-grad); }
.risk--hi { color: var(--danger); background: rgba(255, 107, 125, .13); }
.risk--mid { color: var(--warn); background: rgba(255, 180, 84, .13); }
.risk--lo { color: var(--ok); background: rgba(53, 211, 154, .13); }

.kv { display: flex; gap: 10px; font-size: 12.5px; padding: 6px 0; border-bottom: 1px dashed rgba(255, 255, 255, .07); }
.kv:last-of-type { border-bottom: none; }
.kv__k { color: var(--text-3); width: 76px; flex-shrink: 0; }
.kv__v { color: var(--text-1); font-weight: 550; }
.kv__v small { color: var(--text-3); font-weight: 400; }

.cand { margin-top: 12px; display: grid; gap: 8px; }
.cand__row {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 11px; border-radius: 11px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line-soft);
  font-size: 13px;
}
.cand__row--best { border-color: rgba(0, 217, 200, .34); background: rgba(0, 217, 200, .08); }
.cand__no {
  width: 19px; height: 19px; border-radius: 6px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 10.5px; font-weight: 800;
  background: rgba(255, 255, 255, .09); color: var(--text-2);
}
.cand__row--best .cand__no { background: var(--brand-grad); color: #04121b; }
.cand__tx { flex: 1; color: var(--text-1); line-height: 1.5; }
.cand__pct { font-size: 11px; color: var(--text-3); font-family: var(--mono); }
.cand__fill {
  font-size: 11.5px; font-weight: 600; padding: 4px 10px; border-radius: 8px;
  border: 1px solid rgba(0, 217, 200, .38); color: var(--brand-cyan-soft); flex-shrink: 0;
}
.cand__row--best .cand__fill { background: var(--brand-grad); color: #04121b; border-color: transparent; }

.composer {
  margin-top: 12px; display: flex; align-items: center; gap: 10px;
  padding: 9px 10px 9px 14px; border-radius: 12px;
  border: 1px solid rgba(0, 217, 200, .3);
  background: rgba(0, 217, 200, .06);
  font-size: 13px; color: var(--brand-cyan-soft);
}
.composer__send {
  width: 28px; height: 28px; border-radius: 8px; flex-shrink: 0;
  background: rgba(255, 255, 255, .1);
  display: flex; align-items: center; justify-content: center;
}
.composer__send::after { content: "↑"; font-size: 15px; font-weight: 700; color: var(--text-2); }

/* 浮动小卡 */
.float-card {
  position: absolute; z-index: 5;
  border-radius: 14px; padding: 9px 12px;
  background: rgba(16, 27, 46, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-2);
  animation: float 6s ease-in-out infinite;
  white-space: nowrap;
}
.float-card__t { font-size: 10.5px; color: var(--text-3); letter-spacing: .05em; font-weight: 600; }
.float-card__v { font-size: 13.5px; font-weight: 700; margin-top: 2px; display: flex; align-items: center; gap: 6px; }
.float-card--a { left: -42px; top: 5%; animation-delay: -1s; }
.float-card--b { right: -38px; bottom: 3%; animation-delay: -3.4s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-11px); } }

.tagline-strip { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.tagline-strip__lbl { font-size: 12px; color: var(--text-3); margin-right: 4px; }

/* ==========================================================================
   平台条
   ========================================================================== */
.platbar { border-block: 1px solid var(--line-soft); background: rgba(255, 255, 255, .014); padding: 26px 0; }
.platbar__in { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; justify-content: center; }
.plat { display: flex; align-items: center; gap: 9px; font-size: 14px; color: var(--text-2); font-weight: 550; transition: color .2s; }
.plat:hover { color: var(--text-1); }
.plat__ic { width: 28px; height: 28px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; }
.plat--wx .plat__ic { background: #07c16022; color: #2fe08c; }
.plat--qy .plat__ic { background: #1a7cff22; color: #5aa8ff; }
.plat--xhs .plat__ic { background: #ff2e4d22; color: #ff5f7a; }
.plat--dy .plat__ic { background: #11151c; color: #fff; border: 1px solid var(--line); }
.plat--fs .plat__ic { background: #00d6c922; color: #38dcf0; }

/* ==========================================================================
   数据条
   ========================================================================== */
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-soft); border-radius: var(--radius-m); overflow: hidden; border: 1px solid var(--line); }
.stat { background: var(--bg-1); padding: 30px 24px; text-align: center; }
.stat__v { font-size: clamp(28px, 3.4vw, 40px); font-weight: 700; letter-spacing: -.03em; line-height: 1.1; }
.stat__l { font-size: 13px; color: var(--text-3); margin-top: 8px; }

/* ==========================================================================
   Bento 能力网格
   ========================================================================== */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.card {
  position: relative; overflow: hidden;
  border: 1px solid var(--line); border-radius: var(--radius-l);
  background: linear-gradient(165deg, rgba(22, 35, 58, .6), rgba(11, 19, 34, .72));
  padding: 28px;
  transition: transform .3s cubic-bezier(.34, 1.3, .64, 1), border-color .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(0, 217, 200, .34); box-shadow: var(--shadow-2); }
.card--3 { grid-column: span 3; }
.card--2 { grid-column: span 2; }
.card__ic {
  width: 46px; height: 46px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-grad-soft);
  border: 1px solid rgba(0, 217, 200, .24);
  margin-bottom: 20px;
}
.card__ic svg { width: 22px; height: 22px; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--text-2); line-height: 1.78; }
.card__list { margin-top: 18px; display: grid; gap: 9px; }
.card__list li { display: flex; align-items: flex-start; gap: 9px; font-size: 13.5px; color: var(--text-2); }
.card__list li::before { content: ""; width: 5px; height: 5px; border-radius: 99px; background: var(--brand-cyan); margin-top: 8px; flex-shrink: 0; }
.card__list li > span { min-width: 0; }
.card__list b { color: var(--text-1); font-weight: 600; }

/* ==========================================================================
   流程时间线
   ========================================================================== */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.flow::before { content: ""; position: absolute; top: 26px; left: 6%; right: 6%; height: 1px; background: linear-gradient(90deg, transparent, var(--line-strong) 12%, var(--line-strong) 88%, transparent); }
.flow__step { position: relative; text-align: center; }
.flow__no {
  width: 52px; height: 52px; border-radius: 16px; margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 700; font-family: var(--mono);
  background: var(--bg-1); border: 1px solid var(--line-strong);
  color: var(--brand-cyan); position: relative; z-index: 2;
  box-shadow: 0 0 0 8px var(--bg-0);
}
.flow__t { font-size: 17px; margin-bottom: 9px; }
.flow__d { font-size: 13.5px; color: var(--text-2); line-height: 1.72; }
.flow__badge { display: inline-block; margin-top: 12px; font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 99px; border: 1px solid var(--line); color: var(--text-3); }
.flow__badge--on { border-color: rgba(0, 217, 200, .34); color: var(--brand-cyan); background: rgba(0, 217, 200, .08); }

/* ==========================================================================
   界面预览 Tab
   ========================================================================== */
.tabs { display: flex; gap: 6px; padding: 6px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, .03); width: max-content; max-width: 100%; margin: 0 auto 34px; overflow-x: auto; }
.tab {
  padding: 9px 17px; border-radius: 10px; font-size: 14px; font-weight: 600;
  color: var(--text-3); white-space: nowrap; transition: .24s;
}
.tab:hover { color: var(--text-2); }
.tab.is-on { background: var(--bg-3); color: var(--text-1); box-shadow: var(--shadow-1); }
.panel { display: none; }
.panel.is-on { display: block; animation: fadeUp .5s cubic-bezier(.22, 1, .36, 1); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ==========================================================================
   表格（对比 / 平台）
   ========================================================================== */
.tbl { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 14px; }
.tbl th, .tbl td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--line-soft); }
.tbl thead th { font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); font-weight: 600; border-bottom-color: var(--line); }
.tbl tbody tr:last-child td { border-bottom: none; }
.tbl tbody tr:hover { background: rgba(255, 255, 255, .02); }
.tbl__hi { background: rgba(0, 217, 200, .045); }
.tbl__hi td { color: var(--text-1); }
.tbl__name { font-weight: 650; }
.tbl-wrap { border: 1px solid var(--line); border-radius: var(--radius-l); overflow: hidden; background: rgba(11, 19, 34, .5); }

.yes { color: var(--ok); font-weight: 700; }
.no { color: var(--text-3); }
.part { color: var(--warn); font-weight: 600; }

.tbl-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tbl-scroll .tbl { min-width: 760px; }

/* ==========================================================================
   隐私
   ========================================================================== */
.privacy { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pv { border: 1px solid var(--line); border-radius: var(--radius-l); padding: 26px; background: rgba(11, 19, 34, .5); }
.pv__hd { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; }
.pv__ic { width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: var(--brand-grad-soft); border: 1px solid rgba(0, 217, 200, .22); flex-shrink: 0; }
.pv__ic svg { width: 16px; height: 16px; }
.pv h4 { font-size: 15.5px; }
.pv p { font-size: 13.5px; color: var(--text-2); line-height: 1.78; }
.pv__ft { margin-top: 14px; font-size: 12px; color: var(--text-3); padding-top: 13px; border-top: 1px dashed var(--line); }

.dodont { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 20px; }
.dd { display: flex; gap: 12px; padding: 16px 18px; border-radius: var(--radius-m); border: 1px solid var(--line); }
.dd--no { background: rgba(255, 107, 125, .045); border-color: rgba(255, 107, 125, .18); }
.dd__x { width: 20px; height: 20px; border-radius: 99px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 800; margin-top: 2px; }
.dd--no .dd__x { background: rgba(255, 107, 125, .18); color: var(--danger); }
.dd--yes .dd__x { background: rgba(53, 211, 154, .18); color: var(--ok); }
.dd__t { font-size: 14px; font-weight: 600; }
.dd__d { font-size: 12.5px; color: var(--text-3); margin-top: 3px; }

/* ==========================================================================
   价格
   ========================================================================== */
.price { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan {
  border: 1px solid var(--line); border-radius: var(--radius-l);
  background: linear-gradient(168deg, rgba(22, 35, 58, .55), rgba(11, 19, 34, .7));
  padding: 30px 26px; display: flex; flex-direction: column;
  position: relative; transition: .3s;
}
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.plan--hot { border-color: rgba(0, 217, 200, .42); background: linear-gradient(168deg, rgba(0, 217, 200, .1), rgba(11, 19, 34, .82)); box-shadow: var(--glow); }
.plan__tag {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  font-size: 11px; font-weight: 700; letter-spacing: .08em;
  padding: 4px 13px; border-radius: 99px; background: var(--brand-grad); color: #04121b;
  white-space: nowrap;
}
.plan__n { font-size: 17px; font-weight: 650; }
.plan__d { font-size: 13.5px; color: var(--text-3); margin-top: 7px; min-height: 42px; }
.plan__p { display: flex; align-items: baseline; gap: 5px; margin: 22px 0 6px; }
.plan__cur { font-size: 17px; color: var(--text-2); }
.plan__num { font-size: 42px; font-weight: 700; letter-spacing: -.04em; line-height: 1; }
.plan__per { font-size: 13.5px; color: var(--text-3); }
.plan__feats { margin: 24px 0 28px; display: grid; gap: 11px; flex: 1; }
.plan__feats li { display: flex; gap: 10px; font-size: 13.5px; color: var(--text-2); line-height: 1.6; }
.plan__feats svg { width: 15px; height: 15px; flex-shrink: 0; margin-top: 4px; color: var(--brand-cyan); }
.plan__feats b { color: var(--text-1); font-weight: 600; }
.plan__feats .off { opacity: .5; }
.plan__feats .off svg { color: var(--text-3); }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.qa { border: 1px solid var(--line); border-radius: var(--radius-m); background: rgba(11, 19, 34, .45); overflow: hidden; transition: border-color .26s; }
.qa:hover { border-color: var(--line-strong); }
.qa[open] { border-color: rgba(0, 217, 200, .3); background: rgba(0, 217, 200, .035); }
.qa summary {
  list-style: none; cursor: pointer;
  padding: 19px 22px; display: flex; align-items: center; gap: 14px;
  font-size: 15px; font-weight: 600;
}
.qa summary::-webkit-details-marker { display: none; }
.qa__ic { margin-left: auto; width: 22px; height: 22px; flex-shrink: 0; position: relative; }
.qa__ic::before, .qa__ic::after { content: ""; position: absolute; inset: 50% 0 auto 0; height: 1.6px; background: var(--brand-cyan); border-radius: 2px; transform: translateY(-50%); transition: transform .28s; }
.qa__ic::after { transform: translateY(-50%) rotate(90deg); }
.qa[open] .qa__ic::after { transform: translateY(-50%) rotate(0); }
.qa__a { padding: 0 22px 21px; font-size: 14px; color: var(--text-2); line-height: 1.82; }
.qa__a a { color: var(--brand-cyan); border-bottom: 1px solid rgba(0, 217, 200, .35); }
.qa__a b { color: var(--text-1); font-weight: 600; }

/* ==========================================================================
   CTA
   ========================================================================== */
.cta-box {
  position: relative; overflow: hidden;
  border: 1px solid rgba(0, 217, 200, .26); border-radius: var(--radius-xl);
  padding: 64px 40px; text-align: center;
  background: radial-gradient(120% 160% at 50% 0%, rgba(0, 217, 200, .14), rgba(11, 19, 34, .3) 60%);
  backdrop-filter: blur(6px);
}
.cta-box::before {
  content: ""; position: absolute; inset: -60% 20%;
  background: var(--brand-grad); opacity: .09; filter: blur(90px);
}
.cta-box > * { position: relative; }
.cta-box h2 { font-size: clamp(26px, 3.6vw, 40px); }
.cta-box p { margin: 18px auto 32px; color: var(--text-2); max-width: 540px; font-size: 16px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ==========================================================================
   Footer
   ========================================================================== */
.foot { border-top: 1px solid var(--line-soft); padding: 60px 0 34px; background: rgba(0, 0, 0, .16); }
.foot__top { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 40px; }
.foot__brand img { height: 32px; margin-bottom: 16px; }
.foot__d { font-size: 13.5px; color: var(--text-3); line-height: 1.85; max-width: 300px; }
.foot__h { font-size: 13px; font-weight: 700; letter-spacing: .1em; color: var(--text-2); margin-bottom: 16px; }
.foot__l { display: grid; gap: 11px; }
.foot__l a { font-size: 13.5px; color: var(--text-3); transition: color .2s; }
.foot__l a:hover { color: var(--brand-cyan); }
.foot__bot { margin-top: 46px; padding-top: 24px; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; font-size: 12.5px; color: var(--text-3); }
.foot__bot a:hover { color: var(--text-2); }

/* ==========================================================================
   滚动进场
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(22px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity .7s cubic-bezier(.22, 1, .36, 1), transform .7s cubic-bezier(.22, 1, .36, 1); }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; gap: 56px; }
  .hero__viz { max-width: 640px; margin: 0 auto; width: 100%; }
  .float-card--a { left: -8px; }
  .float-card--b { right: -8px; }
  .bento { grid-template-columns: repeat(4, 1fr); }
  .card--3 { grid-column: span 4; }
  .card--2 { grid-column: span 2; }
  .foot__top { grid-template-columns: 1fr 1fr 1fr; }
  .foot__brand { grid-column: span 3; }
}

@media (max-width: 860px) {
  :root { --pad: 20px; }
  .section { padding: 76px 0; }
  .nav__links, .nav__cta .btn--ghost { display: none; }
  .nav.is-open .nav__links {
    display: flex; flex-direction: column; align-items: stretch; gap: 2px;
    position: absolute; top: 68px; left: 0; right: 0;
    background: rgba(7, 13, 24, .97); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line); padding: 16px var(--pad) 22px;
  }
  .nav.is-open .nav__links a { padding: 12px 0; font-size: 15.5px; border-bottom: 1px solid var(--line-soft); }
  .nav.is-open .nav__links a::after { display: none; }
  .nav__toggle { display: flex; }
  .nav.is-open .nav__toggle span { background: transparent; }
  .nav.is-open .nav__toggle span::before { transform: translateY(6px) rotate(45deg); }
  .nav.is-open .nav__toggle span::after { transform: translateY(-6px) rotate(-45deg); }

  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .card--3, .card--2 { grid-column: span 2; }
  .flow { grid-template-columns: 1fr 1fr; gap: 34px 20px; }
  .flow::before { display: none; }
  .privacy, .price, .faq { grid-template-columns: 1fr; }
  .foot__top { grid-template-columns: 1fr 1fr; }
  .foot__brand { grid-column: span 2; }
  .dodont { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero { padding: 124px 0 60px; }
  .hero__actions .btn { width: 100%; }
  .bento { grid-template-columns: 1fr; }
  .card--3, .card--2 { grid-column: span 1; }
  .flow { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
  .cta-box { padding: 46px 22px; }
  .foot__top { grid-template-columns: 1fr; }
  .foot__brand { grid-column: span 1; }
  .float-card { display: none; }
  .card__list li { font-size: 13px; }
  .card__list b { white-space: nowrap; }
  .shell__body { padding: 14px; }
  .plan { padding: 26px 20px; }
  .plan__num { font-size: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}