/* ============================================================
   LW Tool 展示站 · 前台样式
   深色电竞 · 霓虹光效 · 橙金主色
   保留全部既有 class 名，仅重构视觉层
   ============================================================ */

:root {
  /* 底色层次 */
  --bg: #05070e;
  --bg-2: #080c16;
  --bg-3: #0e1424;
  --card: rgba(17, 24, 41, .72);
  --card-solid: #111829;
  --card-2: rgba(23, 32, 53, .8);

  /* 描边 */
  --border: rgba(255, 255, 255, .08);
  --border-2: rgba(255, 255, 255, .14);
  --border-glow: rgba(245, 166, 35, .45);

  /* 文字 */
  --text: #eef2fb;
  --text-2: #a3b1cc;
  --text-3: #6b7b96;

  /* 主色：橙金 */
  --brand: #f5a623;
  --brand-2: #ffd166;
  --brand-3: #ff8a3d;
  --brand-glow: rgba(245, 166, 35, .35);

  /* 辅助冷色（电竞点缀） */
  --accent: #22d3ee;
  --accent-2: #38bdf8;
  --accent-glow: rgba(34, 211, 238, .28);

  /* 语义色 */
  --green: #34d399;
  --red: #fb7185;
  --orange: #fbbf24;

  /* 形态 */
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 9px;
  --maxw: 1200px;

  /* 阴影 / 光晕 */
  --shadow: 0 18px 50px rgba(0, 0, 0, .55);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, .4);
  --inner-hi: inset 0 1px 0 rgba(255, 255, 255, .07);
  --glow-brand: 0 0 0 1px rgba(245, 166, 35, .28), 0 12px 40px rgba(245, 166, 35, .18);
  --glow-accent: 0 0 0 1px rgba(34, 211, 238, .26), 0 12px 40px rgba(34, 211, 238, .16);

  /* 渐变 */
  --grad-brand: linear-gradient(135deg, #ffd166 0%, #f5a623 45%, #ff8a3d 100%);
  --grad-accent: linear-gradient(135deg, #38bdf8 0%, #22d3ee 100%);
  --grad-text: linear-gradient(100deg, #fff 0%, #ffd9a0 55%, #f5a623 100%);
}

/* ============ 基础 ============ */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: .005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg);
  /* 多层环境光 + 细网格纹理 */
  background-image:
    radial-gradient(1100px 620px at 8% -8%, rgba(34, 211, 238, .13), transparent 62%),
    radial-gradient(900px 520px at 96% 4%, rgba(245, 166, 35, .14), transparent 60%),
    radial-gradient(800px 600px at 50% 108%, rgba(124, 58, 237, .10), transparent 62%),
    linear-gradient(rgba(255, 255, 255, .022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .022) 1px, transparent 1px);
  background-size: auto, auto, auto, 64px 64px, 64px 64px;
  background-attachment: fixed, fixed, fixed, scroll, scroll;
  overflow-x: hidden;
}

a { color: var(--accent-2); text-decoration: none; transition: color .2s; }
a:hover { color: var(--brand-2); text-decoration: none; }

img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  line-height: 1.22;
  margin: 0 0 .55em;
  font-weight: 800;
  letter-spacing: -.018em;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.24rem; font-weight: 700; }
h4 { font-weight: 700; }

p { margin: 0 0 1em; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.muted { color: var(--text-2); }
.small { font-size: .875rem; }
.center { text-align: center; }

::selection { background: rgba(245, 166, 35, .32); color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: #26314a; border-radius: 6px; border: 2px solid var(--bg-2); }
::-webkit-scrollbar-thumb:hover { background: #37456a; }

/* 尊重「减少动态效果」偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============ 顶部导航 ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 7, 14, .7);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid var(--border);
}
.nav::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245, 166, 35, .55), rgba(34, 211, 238, .35), transparent);
  opacity: .8;
}
.nav-inner { display: flex; align-items: center; gap: 22px; height: 70px; }

.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.18rem; letter-spacing: -.02em; color: var(--text);
  transition: .2s;
}
.brand img { height: 32px; width: auto; }
.brand:hover { color: var(--brand-2); text-decoration: none; }

.nav-links { display: flex; gap: 4px; margin-left: 14px; }
.nav-links a {
  position: relative;
  color: var(--text-2);
  padding: 8px 15px;
  border-radius: 9px;
  font-size: .94rem;
  font-weight: 600;
  transition: .2s;
}
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, .055); }
.nav-links a.active { color: var(--brand-2); background: rgba(245, 166, 35, .12); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 15px; right: 15px; bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-brand);
  box-shadow: 0 0 10px var(--brand-glow);
}

.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

/* 语言切换 */
.lang-switch { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 7px;
  cursor: pointer;
  background: rgba(255, 255, 255, .045);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 13px;
  border-radius: 10px;
  font-size: .9rem;
  font-family: inherit;
  transition: .2s;
}
.lang-btn:hover { border-color: var(--border-2); background: rgba(255, 255, 255, .08); }
.lang-menu {
  position: absolute;
  right: 0; top: calc(100% + 10px);
  min-width: 176px;
  background: rgba(12, 17, 30, .96);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-2);
  border-radius: 13px;
  box-shadow: var(--shadow);
  padding: 6px;
  display: none;
  z-index: 60;
}
.lang-menu.open { display: block; animation: pop .18s ease-out; }
.lang-menu a {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 12px;
  border-radius: 9px;
  color: var(--text-2);
  font-size: .92rem;
  transition: .16s;
}
.lang-menu a:hover { background: rgba(255, 255, 255, .07); color: var(--text); }
.lang-menu a.cur { color: var(--brand-2); background: rgba(245, 166, 35, .1); }

@keyframes pop { from { opacity: 0; transform: translateY(-6px) scale(.97); } to { opacity: 1; transform: none; } }

/* ============ 按钮 ============ */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-weight: 700;
  font-size: .95rem;
  font-family: inherit;
  letter-spacing: -.005em;
  border: 1px solid transparent;
  cursor: pointer;
  overflow: hidden;
  transition: transform .22s cubic-bezier(.22, 1, .36, 1), box-shadow .22s, background .22s, border-color .22s;
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* 光扫效果 */
.btn::after {
  content: "";
  position: absolute;
  top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .38), transparent);
  transform: skewX(-18deg);
  transition: left .6s ease;
  pointer-events: none;
}
.btn:hover::after { left: 150%; }

.btn-primary {
  background: var(--grad-brand);
  color: #231505;
  box-shadow: 0 6px 22px rgba(245, 166, 35, .28), var(--inner-hi);
}
.btn-primary:hover { box-shadow: 0 10px 34px rgba(245, 166, 35, .45), var(--inner-hi); color: #231505; }

.btn-accent {
  background: var(--grad-accent);
  color: #04222b;
  box-shadow: 0 6px 22px rgba(34, 211, 238, .26), var(--inner-hi);
}
.btn-accent:hover { box-shadow: 0 10px 34px rgba(34, 211, 238, .42), var(--inner-hi); color: #04222b; }

.btn-ghost {
  background: rgba(255, 255, 255, .045);
  border-color: var(--border-2);
  color: var(--text);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, .09);
  border-color: rgba(245, 166, 35, .5);
  box-shadow: 0 0 22px rgba(245, 166, 35, .14);
}

.btn-lg { padding: 15px 32px; font-size: 1.05rem; border-radius: 13px; }
.btn-sm { padding: 8px 15px; font-size: .86rem; border-radius: 10px; }
.btn-block { width: 100%; }

/* ============ Hero ============ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 82px;
}
/* 极光光斑 */
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto;
  height: 130%;
  background:
    radial-gradient(560px 380px at 18% 22%, rgba(34, 211, 238, .20), transparent 66%),
    radial-gradient(620px 420px at 82% 14%, rgba(245, 166, 35, .22), transparent 66%),
    radial-gradient(500px 380px at 52% 88%, rgba(124, 58, 237, .16), transparent 68%);
  filter: blur(12px);
  pointer-events: none;
  animation: drift 22s ease-in-out infinite alternate;
}
/* 顶部霓虹分隔线 */
.hero::after {
  content: "";
  position: absolute;
  left: 8%; right: 8%; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245, 166, 35, .45), rgba(34, 211, 238, .3), transparent);
  pointer-events: none;
}
@keyframes drift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-3%, 3%, 0) scale(1.07); }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(52, 211, 153, .1);
  border: 1px solid rgba(52, 211, 153, .3);
  color: var(--green);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .01em;
  margin-bottom: 22px;
  backdrop-filter: blur(8px);
  box-shadow: 0 0 24px rgba(52, 211, 153, .12);
}
.hero-badge::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .45; transform: scale(.82); } }

.hero h1 { margin-bottom: 20px; }
.hero h1 .hl {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 22px rgba(245, 166, 35, .3));
}
.hero-sub { font-size: 1.14rem; color: var(--text-2); margin-bottom: 14px; max-width: 34em; }
.hero-note { font-size: .92rem; color: var(--text-3); margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-only {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .87rem;
  color: var(--text-2);
  padding: 11px 17px;
  background: rgba(255, 255, 255, .035);
  border: 1px dashed rgba(255, 255, 255, .16);
  border-radius: 12px;
  backdrop-filter: blur(6px);
}
.hero-only::before { content: "🔒"; font-size: .82rem; }

.hero-img {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--border-2);
  box-shadow: var(--shadow), var(--inner-hi);
  background: var(--card);
  backdrop-filter: blur(12px);
  overflow: hidden;
}
.hero-img::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(150deg, rgba(245, 166, 35, .5), transparent 42%, transparent 58%, rgba(34, 211, 238, .4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.hero-img img { width: 100%; }
.hero-img .cap {
  padding: 13px 17px;
  color: var(--text-2);
  font-size: .89rem;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, .22);
}

/* ============ 通用区块 ============ */
.section { position: relative; padding: 84px 0; }
.section.alt {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .028), rgba(255, 255, 255, .008)),
    var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head { text-align: center; max-width: 780px; margin: 0 auto 52px; }
.section-head .kicker {
  display: inline-block;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-size: .8rem;
  margin-bottom: 12px;
}
.section-head h2 { margin-bottom: 12px; }
.section-head p { color: var(--text-2); font-size: 1.02rem; margin: 0; }

/* ============ 大数字统计 ============ */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 18px; }
.stat-box {
  position: relative;
  text-align: center;
  padding: 34px 18px;
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm), var(--inner-hi);
  overflow: hidden;
  transition: transform .3s cubic-bezier(.22, 1, .36, 1), border-color .3s, box-shadow .3s;
}
.stat-box::before {
  content: "";
  position: absolute;
  top: 0; left: 20%; right: 20%;
  height: 2px;
  background: var(--grad-brand);
  opacity: .55;
  filter: blur(1px);
  transition: opacity .3s, left .3s, right .3s;
}
.stat-box:hover { transform: translateY(-5px); border-color: var(--border-glow); box-shadow: var(--glow-brand); }
.stat-box:hover::before { opacity: 1; left: 8%; right: 8%; }
.stat-box .v {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.03em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 18px rgba(245, 166, 35, .28));
}
.stat-box .l { color: var(--text); margin-top: 10px; font-weight: 600; font-size: .97rem; }
.stat-box .n { color: var(--text-3); font-size: .82rem; margin-top: 5px; }

/* ============ 卡片（平台版本 / 下载版本） ============ */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

.card {
  position: relative;
  background: var(--card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  display: flex; flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-sm), var(--inner-hi);
  transition: transform .3s cubic-bezier(.22, 1, .36, 1), border-color .3s, box-shadow .3s;
}
/* 悬停跟随光晕 */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 260px at var(--mx, 50%) var(--my, 0%), rgba(245, 166, 35, .13), transparent 62%);
  opacity: 0;
  transition: opacity .35s;
  pointer-events: none;
}
.card:hover { transform: translateY(-6px); border-color: rgba(255, 255, 255, .2); box-shadow: var(--shadow), var(--inner-hi); }
.card:hover::before { opacity: 1; }
.card.hot { border-color: rgba(245, 166, 35, .42); box-shadow: var(--glow-brand), var(--inner-hi); }
.card.hot:hover { border-color: rgba(245, 166, 35, .68); box-shadow: 0 0 0 1px rgba(245, 166, 35, .4), 0 18px 48px rgba(245, 166, 35, .24); }

.card .badge-tag {
  position: absolute;
  top: 17px; right: -34px;
  transform: rotate(40deg);
  background: var(--grad-brand);
  color: #231505;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .04em;
  padding: 5px 40px;
  box-shadow: 0 4px 14px rgba(245, 166, 35, .35);
}

.card h3 { display: flex; align-items: center; gap: 9px; margin-bottom: 6px; }
.card .sub { color: var(--text-3); font-size: .9rem; margin-bottom: 18px; font-weight: 500; }
.card ul { list-style: none; padding: 0; margin: 0 0 24px; }
.card ul li {
  position: relative;
  padding: 8px 0 8px 28px;
  color: var(--text-2);
  font-size: .945rem;
  border-bottom: 1px solid rgba(255, 255, 255, .045);
}
.card ul li:last-child { border-bottom: none; }
.card ul li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 8px;
  width: 19px; height: 19px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(52, 211, 153, .14);
  color: var(--green);
  font-size: .68rem;
  font-weight: 800;
}
.card .spacer { flex: 1; min-height: 8px; }

/* 规格表 */
.spec-table { width: 100%; border-collapse: collapse; margin: 0 0 20px; font-size: .9rem; }
.spec-table td { padding: 9px 6px; border-bottom: 1px solid rgba(255, 255, 255, .06); }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table td:first-child { color: var(--text-3); width: 40%; font-weight: 500; }
.spec-table td:last-child { color: var(--text); font-weight: 600; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .86rem; }

.notice-box {
  background: rgba(251, 191, 36, .07);
  border: 1px solid rgba(251, 191, 36, .22);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-xs);
  padding: 12px 15px;
  font-size: .855rem;
  color: var(--text-2);
  margin-bottom: 18px;
}

/* ============ 功能分组 ============ */
.feature-group {
  position: relative;
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 30px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm), var(--inner-hi);
  transition: border-color .3s, box-shadow .3s;
}
.feature-group::before {
  content: "";
  position: absolute;
  left: 0; top: 22px; bottom: 22px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--grad-brand);
  opacity: .6;
  transition: opacity .3s;
}
.feature-group:hover { border-color: rgba(255, 255, 255, .16); }
.feature-group:hover::before { opacity: 1; box-shadow: 0 0 16px var(--brand-glow); }
.feature-group h3 { display: flex; align-items: center; gap: 11px; margin-bottom: 7px; }
.feature-group .cnt {
  background: rgba(245, 166, 35, .13);
  border: 1px solid rgba(245, 166, 35, .3);
  color: var(--brand-2);
  font-size: .76rem;
  font-weight: 800;
  padding: 2px 11px;
  border-radius: 999px;
}
.feature-group .gsub { color: var(--text-2); font-size: .93rem; margin-bottom: 20px; }

.chip-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 9px 17px;
  border-radius: 999px;
  font-size: .895rem;
  font-weight: 500;
  transition: .22s cubic-bezier(.22, 1, .36, 1);
}
.chip::before {
  content: "→";
  color: var(--brand);
  font-weight: 800;
  transition: transform .22s;
}
.chip:hover {
  border-color: rgba(245, 166, 35, .5);
  color: var(--text);
  background: rgba(245, 166, 35, .1);
  box-shadow: 0 0 20px rgba(245, 166, 35, .16);
  transform: translateY(-2px);
}
.chip:hover::before { transform: translateX(3px); }

/* ============ 重点功能介绍 ============ */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 46px;
}
.feature-block:last-child { margin-bottom: 0; }
.feature-block:nth-child(even) .fb-media { order: -1; }
.feature-block .fb-body h3 { font-size: 1.42rem; margin-bottom: 12px; }
.feature-block .fb-body .badge-tag {
  position: static;
  transform: none;
  display: inline-block;
  background: rgba(34, 211, 238, .12);
  border: 1px solid rgba(34, 211, 238, .32);
  color: var(--accent);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  margin-bottom: 14px;
  box-shadow: 0 0 18px rgba(34, 211, 238, .12);
}
.feature-block ul { list-style: none; padding: 0; margin: 16px 0 24px; }
.feature-block ul li {
  position: relative;
  padding: 7px 0 7px 26px;
  color: var(--text-2);
  font-size: .955rem;
}
.feature-block ul li::before {
  content: "";
  position: absolute;
  left: 5px; top: 16px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 9px var(--brand-glow);
}
.fb-media img {
  border-radius: var(--radius);
  border: 1px solid var(--border-2);
  box-shadow: var(--shadow), var(--inner-hi);
  transition: transform .35s cubic-bezier(.22, 1, .36, 1), box-shadow .35s;
}
.fb-media:hover img { transform: translateY(-5px) scale(1.012); box-shadow: var(--glow-brand), var(--shadow); }
.fb-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ============ 截图展示 ============ */
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.shot {
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm), var(--inner-hi);
  transition: transform .32s cubic-bezier(.22, 1, .36, 1), border-color .32s, box-shadow .32s;
}
.shot:hover { transform: translateY(-6px); border-color: rgba(34, 211, 238, .4); box-shadow: var(--glow-accent); }
.shot img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.22, 1, .36, 1);
}
.shot:hover img { transform: scale(1.055); }
.shot .cap { padding: 15px 18px; border-top: 1px solid var(--border); }
.shot .cap h4 { margin: 0 0 5px; font-size: 1rem; }
.shot .cap p { margin: 0; color: var(--text-2); font-size: .855rem; line-height: 1.6; }

/* ============ 价格 ============ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(272px, 1fr));
  gap: 22px;
  align-items: stretch;
}
.plan {
  position: relative;
  background: var(--card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px 30px;
  display: flex; flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-sm), var(--inner-hi);
  transition: transform .32s cubic-bezier(.22, 1, .36, 1), border-color .32s, box-shadow .32s;
}
.plan:hover { transform: translateY(-6px); border-color: rgba(255, 255, 255, .2); }
.plan.hot {
  border-color: rgba(245, 166, 35, .5);
  box-shadow: var(--glow-brand), var(--inner-hi);
  background: linear-gradient(170deg, rgba(245, 166, 35, .09), rgba(17, 24, 41, .78) 46%);
}
.plan.hot:hover { transform: translateY(-8px) scale(1.012); }
/* 热门卡顶部流光 */
.plan.hot::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-2), var(--brand), transparent);
  background-size: 200% 100%;
  animation: shine 3.4s linear infinite;
}
@keyframes shine { to { background-position: -200% 0; } }

.plan .p-badge {
  position: absolute;
  top: 15px; right: 15px;
  background: var(--grad-brand);
  color: #231505;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .04em;
  padding: 5px 13px;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(245, 166, 35, .38);
}
.plan h3 { text-align: center; font-size: 1.16rem; margin-bottom: 14px; }
.plan .price {
  text-align: center;
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.1;
  margin: 6px 0 4px;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.plan .price .per {
  font-size: .93rem;
  color: var(--text-3);
  font-weight: 600;
  -webkit-text-fill-color: var(--text-3);
}
.plan .p-intro { text-align: center; color: var(--text-2); font-size: .9rem; margin-bottom: 22px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 26px; }
.plan ul li {
  position: relative;
  padding: 9px 0 9px 28px;
  color: var(--text-2);
  font-size: .93rem;
  border-bottom: 1px solid rgba(255, 255, 255, .05);
}
.plan ul li:last-child { border-bottom: none; }
.plan ul li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 10px;
  width: 19px; height: 19px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(52, 211, 153, .14);
  color: var(--green);
  font-size: .68rem;
  font-weight: 800;
}
.plan .spacer { flex: 1; min-height: 8px; }
.pricing-note {
  text-align: center;
  color: var(--text-2);
  margin-top: 30px;
  font-size: .92rem;
  padding: 14px 20px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* ============ FAQ / 折叠面板 ============ */
.faq-list { max-width: 840px; margin: 0 auto; }
.faq-item {
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .28s, box-shadow .28s;
}
.faq-item:hover { border-color: rgba(255, 255, 255, .17); }
.faq-item.open { border-color: rgba(245, 166, 35, .42); box-shadow: 0 8px 28px rgba(245, 166, 35, .1); }
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  padding: 19px 22px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  transition: background .22s;
}
.faq-q:hover { background: rgba(255, 255, 255, .04); }
.faq-q .arrow {
  flex-shrink: 0;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(245, 166, 35, .13);
  color: var(--brand);
  font-size: .95rem;
  font-weight: 700;
  transition: transform .28s cubic-bezier(.22, 1, .36, 1), background .28s;
}
.faq-item.open .faq-q .arrow { transform: rotate(90deg); background: rgba(245, 166, 35, .28); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .34s cubic-bezier(.22, 1, .36, 1); }
.faq-a-inner { padding: 0 22px 20px; color: var(--text-2); font-size: .955rem; }
.faq-item.open .faq-a { max-height: 1600px; }

/* ============ 公告条 ============ */
.announce-bar { position: relative; z-index: 51; }
.announce {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 22px;
  font-size: .92rem;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.announce.info { background: rgba(56, 189, 248, .1); color: var(--accent-2); }
.announce.success { background: rgba(52, 211, 153, .1); color: var(--green); }
.announce.warn { background: rgba(251, 191, 36, .12); color: var(--orange); }
.announce a { margin-left: auto; font-weight: 700; white-space: nowrap; }

/* ============ 内页 Hero ============ */
.page-hero {
  position: relative;
  padding: 76px 0 52px;
  text-align: center;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: -30% 0 auto;
  height: 160%;
  background:
    radial-gradient(480px 300px at 50% 24%, rgba(245, 166, 35, .17), transparent 66%),
    radial-gradient(400px 260px at 22% 62%, rgba(34, 211, 238, .11), transparent 68%);
  pointer-events: none;
}
.page-hero > .container { position: relative; z-index: 1; }
.page-hero .eyebrow {
  display: inline-block;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: .79rem;
  margin-bottom: 14px;
}
.page-hero h1 { margin-bottom: 14px; }
.page-hero p { max-width: 620px; }

/* ============ 下载页 ============ */
.dl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 22px; margin-bottom: 34px; }

.version-strip {
  text-align: center;
  color: var(--text-3);
  font-size: .87rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  padding: 15px 18px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 46px;
  letter-spacing: .02em;
}

.choose-help { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; margin-bottom: 46px; }
.choose-help .ci {
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  color: var(--text-2);
  font-size: .94rem;
  transition: .28s;
}
.choose-help .ci:hover { border-color: rgba(245, 166, 35, .35); transform: translateY(-3px); }
.choose-help .ci b { color: var(--brand-2); font-weight: 700; }

/* 步骤 */
.steps-list { position: relative; }
.step {
  position: relative;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }
.step .num {
  width: 46px; height: 46px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad-accent);
  color: #04222b;
  font-weight: 800;
  font-size: 1.12rem;
  box-shadow: 0 6px 20px rgba(34, 211, 238, .28), var(--inner-hi);
}
.step h4 { margin: 3px 0 8px; font-size: 1.1rem; }
.step .body { color: var(--text-2); font-size: .955rem; }
.step .body img { border-radius: 10px; margin: 12px 0; border: 1px solid var(--border); }

/* 系统要求 */
.sysreq-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.sysreq {
  position: relative;
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  overflow: hidden;
  transition: .28s;
}
.sysreq::after {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--grad-brand);
  opacity: 0;
  transition: opacity .28s;
}
.sysreq:hover { border-color: rgba(255, 255, 255, .18); transform: translateY(-3px); }
.sysreq:hover::after { opacity: 1; }
.sysreq .l { color: var(--text-3); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
.sysreq .v { color: var(--text); font-weight: 700; margin: 6px 0 4px; font-size: 1.02rem; }
.sysreq .n { color: var(--text-2); font-size: .855rem; line-height: 1.6; }

/* ============ 指南页 ============ */
.guide-version-switch { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }
.vtab {
  padding: 12px 26px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--border);
  color: var(--text-2);
  cursor: pointer;
  font-weight: 600;
  font-size: .93rem;
  transition: .24s cubic-bezier(.22, 1, .36, 1);
  backdrop-filter: blur(8px);
}
.vtab:hover { border-color: var(--border-2); color: var(--text); transform: translateY(-2px); }
.vtab.active {
  background: var(--grad-accent);
  color: #04222b;
  border-color: transparent;
  box-shadow: 0 6px 22px rgba(34, 211, 238, .3);
}

.guide-section { margin-bottom: 62px; scroll-margin-top: 90px; }
.guide-section > .gsec-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 10px; }
.guide-section > .gsec-head .gno {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.04em;
  background: linear-gradient(180deg, rgba(245, 166, 35, .85), rgba(245, 166, 35, .16));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.guide-section > .gsec-head h2 { margin: 0; }
.gsec-sub { color: var(--text-2); margin-bottom: 30px; max-width: 62em; }
.guide-section h2 { position: relative; padding-bottom: 14px; margin-bottom: 20px; }
.guide-section h2::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 64px; height: 3px;
  border-radius: 3px;
  background: var(--grad-brand);
  box-shadow: 0 0 14px var(--brand-glow);
}
.guide-section > .gsec-head + .gsec-sub + h2::after,
.guide-section > h2::after { left: 0; }

/* 数据表 */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}
.data-table { width: 100%; border-collapse: collapse; margin: 0; font-size: .925rem; }
.data-table th, .data-table td { padding: 12px 15px; text-align: left; border-bottom: 1px solid rgba(255, 255, 255, .055); }
.data-table th {
  background: rgba(255, 255, 255, .045);
  color: var(--text-2);
  font-weight: 700;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.data-table tr { transition: background .18s; }
.data-table tbody tr:hover td { background: rgba(34, 211, 238, .055); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table td code, .data-table th code {
  background: rgba(245, 166, 35, .12);
  border: 1px solid rgba(245, 166, 35, .24);
  padding: 2px 8px;
  border-radius: 6px;
  color: var(--brand-2);
  font-size: .86rem;
}

kbd {
  display: inline-block;
  background: linear-gradient(180deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .03));
  border: 1px solid var(--border-2);
  border-bottom-width: 2px;
  border-radius: 7px;
  padding: 3px 9px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: .84rem;
  font-weight: 600;
  color: var(--brand-2);
  box-shadow: 0 2px 6px rgba(0, 0, 0, .35);
}

/* 工具栏目 */
.tabs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 16px; }
.tab-card {
  position: relative;
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  transition: .28s cubic-bezier(.22, 1, .36, 1);
}
.tab-card:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, .38); box-shadow: var(--glow-accent); }
.tab-card .tno {
  display: inline-flex;
  width: 30px; height: 30px;
  border-radius: 9px;
  align-items: center; justify-content: center;
  background: var(--grad-accent);
  color: #04222b;
  font-weight: 800;
  font-size: .86rem;
  margin-bottom: 12px;
  box-shadow: 0 4px 14px rgba(34, 211, 238, .26);
}
.tab-card h4 { margin: 0 0 7px; font-size: 1.04rem; }
.tab-card p { margin: 0; color: var(--text-2); font-size: .905rem; line-height: 1.65; }

/* 逐项功能 */
.gf-search { max-width: 440px; margin: 0 auto 26px; position: relative; }
.gf-search input {
  width: 100%;
  padding: 13px 20px;
  border-radius: 999px;
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-2);
  color: var(--text);
  font-size: .95rem;
  font-family: inherit;
  transition: .24s;
}
.gf-search input::placeholder { color: var(--text-3); }
.gf-search input:focus {
  outline: none;
  border-color: rgba(245, 166, 35, .55);
  box-shadow: 0 0 0 4px rgba(245, 166, 35, .1), 0 0 26px rgba(245, 166, 35, .14);
}

.gf-group-title {
  font-size: 1.32rem;
  font-weight: 800;
  margin: 40px 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  position: relative;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.gf-group-title::after {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 84px; height: 2px;
  background: var(--grad-brand);
  box-shadow: 0 0 12px var(--brand-glow);
}

.gf-item {
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 13px;
  overflow: hidden;
  scroll-margin-top: 90px;
  transition: border-color .28s, box-shadow .28s;
}
.gf-item:hover { border-color: rgba(255, 255, 255, .17); }
.gf-item.open { border-color: rgba(245, 166, 35, .42); box-shadow: 0 8px 30px rgba(245, 166, 35, .1); }
.gf-head {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.02rem;
  font-weight: 600;
  font-family: inherit;
  padding: 19px 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 13px;
  transition: background .22s;
}
.gf-head:hover { background: rgba(255, 255, 255, .04); }
.gf-head .arrow {
  margin-left: auto;
  flex-shrink: 0;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(245, 166, 35, .13);
  color: var(--brand);
  font-weight: 700;
  transition: transform .28s cubic-bezier(.22, 1, .36, 1), background .28s;
}
.gf-item.open .gf-head .arrow { transform: rotate(90deg); background: rgba(245, 166, 35, .28); }
.gf-body { display: none; padding: 0 22px 22px; }
.gf-item.open .gf-body { display: block; animation: fadeIn .3s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: none; } }

.gf-row { padding: 14px 0; border-top: 1px solid rgba(255, 255, 255, .055); }
.gf-row .lbl {
  color: var(--brand-2);
  font-weight: 800;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .09em;
  margin-bottom: 7px;
}
.gf-row .val { color: var(--text-2); font-size: .945rem; line-height: 1.72; }
.gf-row ol, .gf-row ul { margin: 8px 0 0; padding-left: 24px; }
.gf-row li { margin: 5px 0; }
.gf-row ol li::marker { color: var(--brand); font-weight: 700; }

.pf-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, .055); }
.pf-tag {
  font-size: .775rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--border);
  color: var(--text-3);
}
.pf-tag.on {
  color: var(--green);
  border-color: rgba(52, 211, 153, .36);
  background: rgba(52, 211, 153, .1);
}

/* 故障处理 */
.ts-group-title {
  font-size: 1.22rem;
  font-weight: 800;
  margin: 36px 0 16px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
}
.ts-group-title::before {
  content: "";
  width: 4px; height: 20px;
  border-radius: 3px;
  background: var(--grad-accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.ts-item {
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .28s;
}
.ts-item:hover { border-color: rgba(255, 255, 255, .17); }
.ts-item.open { border-color: rgba(34, 211, 238, .4); }
.ts-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-weight: 600;
  font-size: .98rem;
  font-family: inherit;
  padding: 17px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  transition: background .22s;
}
.ts-q:hover { background: rgba(255, 255, 255, .04); }
.ts-q .arrow {
  flex-shrink: 0;
  color: var(--accent);
  font-weight: 700;
  transition: transform .28s cubic-bezier(.22, 1, .36, 1);
}
.ts-item.open .ts-q .arrow { transform: rotate(90deg); }
.ts-a { display: none; padding: 0 20px 20px; color: var(--text-2); font-size: .945rem; line-height: 1.72; }
.ts-item.open .ts-a { display: block; animation: fadeIn .3s ease-out; }

/* ============ 更新日志 ============ */
.cl-item {
  position: relative;
  background: var(--card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: .28s cubic-bezier(.22, 1, .36, 1);
}
.cl-item::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--grad-brand);
  opacity: .5;
  transition: opacity .28s;
}
.cl-item:hover { transform: translateX(4px); border-color: rgba(255, 255, 255, .17); }
.cl-item:hover::before { opacity: 1; box-shadow: 0 0 14px var(--brand-glow); }
.cl-top { display: flex; align-items: center; gap: 12px; margin-bottom: 9px; flex-wrap: wrap; }
.cl-type { font-size: .76rem; font-weight: 800; letter-spacing: .04em; padding: 4px 13px; border-radius: 999px; }
.cl-type.new { background: rgba(52, 211, 153, .14); color: var(--green); border: 1px solid rgba(52, 211, 153, .28); }
.cl-type.fix { background: rgba(251, 191, 36, .14); color: var(--orange); border: 1px solid rgba(251, 191, 36, .28); }
.cl-ver {
  font-weight: 800;
  color: var(--text);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: .93rem;
}
.cl-date { color: var(--text-3); font-size: .85rem; margin-left: auto; }
.cl-content { color: var(--text-2); font-size: .955rem; margin: 0; }

/* ============ 页脚 ============ */
.footer {
  position: relative;
  background: linear-gradient(180deg, rgba(8, 12, 22, .6), rgba(5, 7, 14, .96));
  border-top: 1px solid var(--border);
  padding: 60px 0 34px;
  margin-top: 0;
  overflow: hidden;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245, 166, 35, .5), rgba(34, 211, 238, .32), transparent);
}
.footer::after {
  content: "";
  position: absolute;
  bottom: -60%; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 400px;
  background: radial-gradient(closest-side, rgba(245, 166, 35, .09), transparent);
  pointer-events: none;
}
.footer > .container { position: relative; z-index: 1; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.2fr; gap: 44px; margin-bottom: 40px; }
.footer h4 {
  color: var(--text);
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: 16px;
  font-weight: 800;
}
.footer .f-about { color: var(--text-2); font-size: .93rem; max-width: 360px; margin: 0; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { color: var(--text-2); font-size: .93rem; transition: .2s; }
.footer ul a:hover { color: var(--brand-2); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 26px;
  text-align: center;
  color: var(--text-3);
  font-size: .865rem;
}
.footer-bottom a { color: var(--text-2); }
.footer-bottom a:hover { color: var(--brand-2); }
.footer-contact { display: flex; flex-direction: column; gap: 9px; }
.footer-contact span { color: var(--text-2); font-size: .91rem; }

/* ============ 滚动渐显（JS 启用后才生效） ============ */
body.js-reveal .rv {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .62s cubic-bezier(.22, 1, .36, 1), transform .62s cubic-bezier(.22, 1, .36, 1);
  transition-delay: var(--rv-delay, 0ms);
}
body.js-reveal .rv.rv-in { opacity: 1; transform: none; }

/* ============ 响应式 ============ */
@media (max-width: 980px) {
  .hero { padding: 64px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 38px; }
  .cards-3 { grid-template-columns: 1fr; }
  .shots { grid-template-columns: 1fr 1fr; }
  .feature-block { grid-template-columns: 1fr; gap: 26px; }
  .feature-block:nth-child(even) .fb-media { order: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .nav-links { display: none; }
  .plan.hot { transform: none; }
  .plan.hot:hover { transform: translateY(-4px); }
  .section { padding: 58px 0; }
}

@media (max-width: 600px) {
  .shots { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 42px; }
  .section { padding: 46px 0; }
  .nav-inner { height: 62px; gap: 12px; }
  .nav-right .btn span { display: none; }
  .card { padding: 24px 20px; }
  .stat-box { padding: 26px 14px; }
  .stat-box .v { font-size: 2.1rem; }
  .feature-group { padding: 22px 20px; }
  .step { grid-template-columns: 42px 1fr; gap: 14px; }
  .step .num { width: 38px; height: 38px; font-size: .98rem; border-radius: 12px; }
  .data-table th, .data-table td { padding: 10px 12px; font-size: .86rem; }
  .guide-section > .gsec-head .gno { font-size: 1.8rem; }
}

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  font-size: 1.2rem;
  padding: 6px 11px;
  cursor: pointer;
  font-family: inherit;
}
@media (max-width: 980px) { .nav-toggle { display: block; } }

/* ============ 公告弹窗 ============ */
.announce-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(3, 5, 10, .68);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: amFade .25s ease-out;
}
.announce-overlay.open { display: flex; }
@keyframes amFade { from { opacity: 0; } to { opacity: 1; } }

.announce-modal {
  width: 100%;
  max-width: 560px;
  max-height: min(78vh, 640px);
  display: flex;
  flex-direction: column;
  background: linear-gradient(170deg, rgba(24, 33, 52, .97), rgba(13, 18, 32, .97));
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .6), 0 0 0 1px rgba(245, 166, 35, .14), 0 0 60px rgba(245, 166, 35, .1);
  overflow: hidden;
  animation: amPop .3s cubic-bezier(.22, 1, .36, 1);
}
@keyframes amPop { from { opacity: 0; transform: translateY(18px) scale(.96); } to { opacity: 1; transform: none; } }

.announce-modal .am-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  background: linear-gradient(90deg, rgba(245, 166, 35, .14), transparent 70%);
}
.announce-modal .am-head span {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.announce-modal .am-close {
  margin-left: auto;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(255, 255, 255, .05);
  color: var(--text-2);
  cursor: pointer;
  font-size: .9rem;
  transition: .2s;
}
.announce-modal .am-close:hover { background: rgba(251, 113, 133, .16); color: var(--red); border-color: rgba(251, 113, 133, .4); }

.announce-modal .am-body {
  padding: 20px 22px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.am-item {
  border-radius: 13px;
  padding: 16px 18px;
  border: 1px solid;
}
.am-item.am-info    { background: rgba(56, 189, 248, .08); border-color: rgba(56, 189, 248, .26); }
.am-item.am-success { background: rgba(52, 211, 153, .08); border-color: rgba(52, 211, 153, .26); }
.am-item.am-warn    { background: rgba(251, 191, 36, .09); border-color: rgba(251, 191, 36, .28); }
.am-item-title { font-weight: 700; font-size: 1rem; margin-bottom: 6px; }
.am-item.am-info    .am-item-title { color: var(--accent-2); }
.am-item.am-success .am-item-title { color: var(--green); }
.am-item.am-warn    .am-item-title { color: var(--orange); }
.am-item-content { color: var(--text-2); font-size: .93rem; line-height: 1.7; white-space: pre-line; }
.am-item-link {
  display: inline-block;
  margin-top: 10px;
  font-size: .88rem;
  font-weight: 700;
  color: var(--brand-2);
}
.am-item-link:hover { text-decoration: underline; }

.announce-modal .am-foot {
  padding: 14px 22px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  display: flex;
  justify-content: flex-end;
  background: rgba(0, 0, 0, .22);
}

@media (max-width: 520px) {
  .announce-overlay { padding: 14px; }
  .announce-modal { max-height: 84vh; }
}