/* =========================================================
   深度同步 · 公司官网 全站共享样式
   设计基调：编辑学术风为主 + 温暖人文质感点缀
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* —— 字体栈（中文优先苹方/微软雅黑/思源，英文 Inter 系/Space Grotesk）—— */
  --serif:
    'Noto Serif SC', 'Source Han Serif SC',
    'Songti SC', 'STSong', 'SimSun',
    Georgia, 'Times New Roman', serif;
  --sans:
    'Noto Sans SC', 'Source Han Sans SC',
    -apple-system, BlinkMacSystemFont,
    'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei UI', 'Microsoft YaHei',
    system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono:
    'Space Grotesk',
    -apple-system, BlinkMacSystemFont,
    'PingFang SC', 'Microsoft YaHei',
    'Inter', 'Helvetica Neue', sans-serif;

  /* —— 行高刻度（统一调用，告别散落值）—— */
  --lh-flat:    1;      /* 大数字、徽章、单行卡片 */
  --lh-display: 1.1;    /* Hero 巨字（≥ 60px）*/
  --lh-tight:   1.2;    /* 标题 H2/H3、sec-title */
  --lh-snug:    1.4;    /* 小标题、卡片标题、引言 */
  --lh-normal:  1.75;   /* 正文 —— 中文阅读最佳 */
  --lh-loose:   1.85;   /* 长导语、加强呼吸 */

  /* —— 字距刻度 —— */
  --ls-display: -.025em; /* 大标题（中英文都收紧）*/
  --ls-title:   -.015em; /* 小标题 */
  --ls-body:    .005em;  /* 中文正文微张 */
  --ls-mono:    .14em;   /* 全大写英文标签 */

  /* —— 底色 —— */
  --bg:        #FCFBF8;
  --surface:   #FFFFFF;
  --surface-2: #F5F2EB;
  --dark:      #0E2A26;
  --dark-2:    #143832;

  /* —— 文字 —— */
  --ink:   #111111;
  --ink-2: #444444;
  --ink-3: #777777;
  --ink-4: #aaaaaa;
  --ink-5: #dddddd;
  --ink-6: #efece6;

  /* —— 品牌 —— */
  --teal:   #2A7A6D;
  --teal-d: #1F5D54;
  --teal-l: #4FA395;
  --amber:  #B45309;
  --amber-l:#D97706;
  --indigo: #4338CA;

  /* —— 节奏 —— */
  --gutter: clamp(20px, 5vw, 80px);
  --max:    1180px;
  --max-narrow: 880px;
  --radius: 2px;
  --radius-lg: 6px;

  /* —— Easing —— */
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink-2);
  font-weight: 400;
  font-size: 16px;
  line-height: var(--lh-normal);
  letter-spacing: var(--ls-body);
  overflow-x: hidden;
  /* 中英混排优化：标点压缩 + 字距 + 上下文连字 */
  font-feature-settings: 'palt' 1, 'kern' 1, 'liga' 1, 'calt' 1;
  /* 中英混排自动加空格（CSS Text 4，新规范，渐进增强）*/
  text-spacing-trim: space-all;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* —— 中文标题统一关闭标点压缩，避免标点错位 —— */
h1, h2, h3, h4, .sec-title, .hero h1 {
  font-feature-settings: 'kern' 1, 'liga' 1;
}

/* —— 数字使用等宽数字（统计、节标签更整齐）—— */
.num, .stat-num, .pcs-n, [data-count] {
  font-variant-numeric: tabular-nums;
}

/* —— 排版工具类（消除内联样式，确保整站口径一致）—— */
.t-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  color: var(--ink-3);
  line-height: var(--lh-tight);
}
.t-eyebrow-quiet { color: var(--ink-4); }

.t-num {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--ink);
  line-height: var(--lh-flat);
  font-variant-numeric: tabular-nums;
}
.t-num-l { font-size: clamp(32px, 4vw, 42px); }
.t-num-m { font-size: 24px; }
.t-num-s { font-size: 18px; }

.t-num-label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: .06em;
  margin-top: 6px;
  line-height: var(--lh-tight);
}

a { color: inherit; text-decoration: none; transition: color .2s; }
img, video, svg { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
::selection { background: rgba(42,122,109,.18); color: var(--ink); }

/* =========================================================
   布局工具
   ========================================================= */

.wrap         { max-width: var(--max);        margin: 0 auto; padding: 0 var(--gutter); }
.wrap-narrow  { max-width: var(--max-narrow); margin: 0 auto; padding: 0 var(--gutter); }
.sec          { padding: clamp(80px, 12vh, 160px) 0; }
.sec-tight    { padding: clamp(56px, 8vh, 100px) 0; }
.sec-dark     { background: var(--dark); color: rgba(255,255,255,.78); }
.sec-dark .sec-label { color: rgba(255,255,255,.4); }
.sec-dark .sec-title { color: #fff; }

.sec-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 16px;
}
.sec-title {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-display);
  color: var(--ink);
  max-width: 22ch;
}
.sec-title em { font-style: normal; color: var(--teal); }
.sec-sub {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--ink-3);
  max-width: 56ch;
  margin-top: 18px;
  line-height: var(--lh-loose);
  font-weight: 300;
}

/* =========================================================
   导航
   ========================================================= */

.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 90;
  transition: background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav .inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px;
}
.nav.scrolled {
  background: rgba(252, 251, 248, .92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom-color: var(--ink-5);
}
.nav .brand {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -.02em;
  color: var(--ink);
  display: inline-flex; align-items: center; gap: 10px;
}
.nav .brand .mark {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--teal);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
}
.nav .links { display: flex; gap: 28px; align-items: center; }
.nav .links a {
  font-size: 13.5px;
  color: var(--ink-3);
  position: relative;
}
.nav .links a:hover, .nav .links a.active { color: var(--ink); }
.nav .links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -8px; height: 1px;
  background: var(--teal);
}
.nav .cta {
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  transition: opacity .2s;
}
.nav .cta:hover { opacity: .82; }
.nav-mobile-toggle {
  display: none;
  width: 32px; height: 32px;
  align-items: center; justify-content: center;
}
.nav-mobile-toggle span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--ink);
  position: relative;
}
.nav-mobile-toggle span::before, .nav-mobile-toggle span::after {
  content: ''; position: absolute; left: 0; right: 0; height: 1.5px; background: var(--ink);
}
.nav-mobile-toggle span::before { top: -6px; }
.nav-mobile-toggle span::after  { top:  6px; }

@media (max-width: 820px) {
  .nav .links, .nav .cta { display: none; }
  .nav-mobile-toggle { display: inline-flex; }
  .nav.menu-open .links {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg);
    border-top: 1px solid var(--ink-5);
    padding: 8px var(--gutter) 16px;
  }
  .nav.menu-open .links a { padding: 14px 0; border-bottom: 1px solid var(--ink-6); }
  .nav.menu-open .cta {
    display: inline-block;
    margin: 12px var(--gutter) 0;
  }
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  min-height: 92vh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 120px var(--gutter) clamp(60px, 10vh, 120px);
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}
.hero-kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(40px, 7.2vw, 92px);
  font-weight: 900;
  line-height: var(--lh-display);
  letter-spacing: -.035em;
  color: var(--ink);
  max-width: 16ch;
}
.hero h1 em { font-style: normal; color: var(--teal); }
.hero-sub {
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--ink-3);
  max-width: 42ch;
  margin-top: 32px;
  line-height: var(--lh-loose);
  font-weight: 300;
}
.hero-actions {
  display: flex; gap: 12px; margin-top: 44px; flex-wrap: wrap;
}
.hero-rule {
  width: 56px; height: 2px; background: var(--ink-5); margin-top: 48px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -1; overflow: hidden; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 60% at 78% 32%, rgba(42,122,109,.10), transparent 65%),
    radial-gradient(ellipse 60% 50% at 16% 78%, rgba(180,83,9,.07), transparent 60%),
    radial-gradient(ellipse 80% 80% at 45% 100%, rgba(42,122,109,.06), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, #F6F2E8 100%);
}
.hero-bg img {
  display: none;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, transparent 0%, transparent 75%, var(--bg) 100%);
  pointer-events: none;
}
/* 几何装饰：左下角细网格 + 右下角同心圆 */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(17,17,17,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17,17,17,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: 0 0;
  mask-image: radial-gradient(ellipse 80% 60% at 30% 70%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 30% 70%, #000, transparent 70%);
  pointer-events: none;
}

/* —— Hero variant: product page —— */
.hero-product {
  min-height: 56vh;
  padding-top: 130px;
  padding-bottom: 60px;
}
.hero-product h1 { font-size: clamp(36px, 5.4vw, 68px); max-width: 18ch; }
.hero-product .hero-sub { max-width: 52ch; }

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  transition: opacity .2s, border-color .2s, transform .2s;
  border: 1px solid transparent;
  white-space: nowrap;
  font-family: var(--sans);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { opacity: .85; }
.btn-secondary {
  background: transparent; color: var(--ink); border-color: var(--ink-5);
}
.btn-secondary:hover { border-color: var(--ink); }
.btn-teal { background: var(--teal); color: #fff; }
.btn-teal:hover { background: var(--teal-d); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  padding: 8px 0;
  border: none;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
}
.btn-ghost:hover { color: var(--teal); border-bottom-color: var(--teal); }
.sec-dark .btn-secondary {
  color: #fff; border-color: rgba(255,255,255,.3);
}
.sec-dark .btn-secondary:hover { border-color: #fff; }

/* =========================================================
   Stats Bar
   ========================================================= */

.stats-bar {
  border-top: 1px solid var(--ink-5);
  border-bottom: 1px solid var(--ink-5);
  padding: 36px 0;
}
.stats-bar .wrap {
  display: flex; justify-content: space-between; align-items: baseline; gap: 24px;
  flex-wrap: wrap;
}
.stat { display: flex; align-items: baseline; gap: 12px; }
.stat .n {
  font-family: var(--mono);
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -.04em;
  color: var(--ink);
  line-height: var(--lh-flat);
  font-variant-numeric: tabular-nums;
}
.stat .l { font-size: 13px; color: var(--ink-3); }
@media (max-width: 720px) {
  .stats-bar .wrap { flex-direction: column; gap: 14px; align-items: flex-start; }
}

/* =========================================================
   Product Gallery (on product pages)
   ========================================================= */

.prod-gallery {
  padding: 56px 0 24px;
  background:
    radial-gradient(ellipse 60% 50% at 30% 30%, rgba(42,122,109,.05), transparent 70%),
    var(--bg);
}
.pg-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  grid-template-rows: 1fr 1fr;
  gap: 14px;
  min-height: 460px;
}
.pg-item {
  position: relative;
  margin: 0;
  border: 1px solid var(--ink-5);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, #F5F2EB 0%, #ECE7DD 100%);
  transition: border-color .25s, transform .25s;
}
.pg-item:hover { border-color: var(--ink-3); transform: translateY(-2px); }
.pg-item.pg-main { grid-row: span 2; }
.pg-item img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 18px;
  display: block;
  transition: transform .6s var(--ease-out);
}
.pg-item.pg-cover { background: var(--ink); }
.pg-item.pg-cover img { object-fit: cover; padding: 0; }
.pg-item.pg-cover figcaption {
  color: rgba(255,255,255,.92);
  text-shadow: 0 1px 4px rgba(0,0,0,.4);
}
.pg-item.pg-cover .pg-tag { background: var(--accent); }
.pg-item.pg-cover::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 50%;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.55));
  pointer-events: none;
}
.pg-item:hover img { transform: scale(1.02); }
.pg-item figcaption {
  position: absolute;
  left: 16px; right: 16px; bottom: 14px;
  font-size: 12px;
  color: var(--ink-2);
  font-weight: 500;
  line-height: var(--lh-snug);
}
.pg-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  background: var(--ink);
  color: #fff;
  padding: 3px 8px;
  border-radius: 1px;
  margin-right: 8px;
  vertical-align: 1px;
}

@media (max-width: 880px) {
  .pg-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    min-height: 0;
  }
  .pg-item.pg-main { grid-row: auto; aspect-ratio: 16/10; }
  .pg-item:not(.pg-main) { aspect-ratio: 4/3; }
}

/* —— Product showcase (feature highlight image) —— */
.prod-show {
  padding: 32px 0 64px;
  background: var(--bg);
}
.ps-figure {
  margin: 0;
  border: 1px solid var(--ink-5);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #F5F2EB 0%, #ECE7DD 100%);
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: center;
  transition: border-color .25s;
}
.ps-figure:hover { border-color: var(--ink-3); }
.ps-figure img {
  width: 100%; height: 100%;
  max-height: 480px;
  object-fit: contain;
  padding: 32px;
  display: block;
}
.ps-figure figcaption {
  padding: 48px 56px 48px 24px;
  font-size: 18px;
  line-height: var(--lh-normal);
  color: var(--ink-2);
  font-weight: 400;
  font-family: var(--serif);
}
.ps-figure figcaption em {
  font-style: normal;
  background: linear-gradient(180deg, transparent 60%, rgba(42,122,109,.18) 60%);
  padding: 0 2px;
  color: var(--ink);
  font-weight: 600;
}
.ps-label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--ink-3);
  margin-bottom: 18px;
  text-transform: none;
}

@media (max-width: 880px) {
  .ps-figure {
    grid-template-columns: 1fr;
  }
  .ps-figure img { max-height: 320px; padding: 22px; }
  .ps-figure figcaption {
    padding: 8px 24px 32px;
    font-size: 16px;
    border-top: 1px solid var(--ink-6);
    padding-top: 28px;
  }
}

/* =========================================================
   Grid Cells (market / why now)
   ========================================================= */

.grid-cells {
  display: grid;
  grid-template-columns: repeat(var(--cols, 3), 1fr);
  gap: 1px;
  background: var(--ink-5);
  border: 1px solid var(--ink-5);
  margin-top: 56px;
}
.grid-cells .cell {
  background: var(--bg);
  padding: 36px 28px;
}
.grid-cells .cell .num {
  font-family: var(--mono);
  font-size: 36px;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: -.03em;
  line-height: var(--lh-flat);
}
.grid-cells .cell h3 {
  font-size: 16px; font-weight: 700;
  color: var(--ink);
  margin: 16px 0 8px;
  font-family: var(--sans);
}
.grid-cells .cell p { font-size: 14px; color: var(--ink-3); line-height: var(--lh-normal); }
.sec-dark .grid-cells {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.1);
}
.sec-dark .grid-cells .cell {
  background: var(--dark);
}
.sec-dark .grid-cells .cell .num { color: var(--teal-l); }
.sec-dark .grid-cells .cell h3 { color: #fff; }
.sec-dark .grid-cells .cell p { color: rgba(255,255,255,.6); }
@media (max-width: 720px) { .grid-cells { grid-template-columns: 1fr; } }

/* =========================================================
   Pull Quote
   ========================================================= */

.pull {
  font-family: var(--serif);
  font-size: clamp(24px, 3.4vw, 44px);
  font-weight: 600;
  line-height: var(--lh-snug);
  letter-spacing: -.025em;
  color: var(--ink);
  max-width: 24ch;
  margin: 0 auto;
  text-align: center;
}
.pull em { font-style: normal; color: var(--teal); }
.pull-sub {
  font-size: 15px; color: var(--ink-3); max-width: 56ch;
  margin: 28px auto 0;
  text-align: center; line-height: var(--lh-loose);
}

/* =========================================================
   Product Cards (matrix)
   ========================================================= */

.product-layer { margin-top: 56px; }
.product-layer + .product-layer { margin-top: 64px; }
.layer-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-4);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ink-5);
  margin-bottom: 24px;
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px;
}
.layer-label .layer-tagline {
  font-family: var(--sans);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-3);
  font-size: 13px;
}

.p-grid { display: grid; gap: 16px; }
.p-grid.g3 { grid-template-columns: repeat(3, 1fr); }
.p-grid.g2 { grid-template-columns: repeat(2, 1fr); }
.p-grid.g1 { grid-template-columns: 1fr; max-width: 540px; }
.p-grid.g1.g1-full { max-width: 100%; }
.p-grid.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) {
  .p-grid.g4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .p-grid.g3, .p-grid.g2, .p-grid.g4 { grid-template-columns: 1fr; }
}

.p-card {
  border: 1px solid var(--ink-5);
  border-radius: var(--radius);
  padding: 0;
  background: var(--surface);
  transition: border-color .25s, transform .25s;
  display: flex; flex-direction: column;
  position: relative;
  overflow: hidden;
}
.p-card:hover { border-color: var(--ink-3); transform: translateY(-2px); }
.p-card-img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--surface-2);
  border-bottom: 1px solid var(--ink-6);
}
.p-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .6s var(--ease-out);
  display: block;
}
.p-card:hover .p-card-img img { transform: scale(1.04); }
.p-card-img.contain { background: linear-gradient(135deg, #F5F2EB 0%, #ECE7DD 100%); }
.p-card-img.contain img { object-fit: contain; padding: 22px; }
.p-card-img.dark { background: var(--dark); }

/* 单张图 object-position 微调（修正 cover 裁剪导致的关键内容被切） */
.pc-3 .p-card-img img { object-position: 80% center; }   /* 朵拉测评 banner 文字靠右 */
.pc-2 .p-card-img img { object-position: 35% center; }   /* 智愈云屏 主体偏左侧咨询师 */
.p-card-img .p-card-tag {
  position: absolute;
  top: 14px; left: 14px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: rgba(252,251,248,.92);
  color: var(--ink);
  padding: 4px 10px;
  border-radius: 1px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2;
}
.p-card-img .p-card-tag-flag {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

/* —— Flagship wide card with single feature image —— */
.p-card.p-card-wide {
  display: grid;
  flex-direction: unset;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  align-items: stretch;
}
.p-card-img-feature {
  position: relative;
  background: var(--ink);
  border-right: 1px solid var(--ink-6);
  border-bottom: none;
  overflow: hidden;
  align-self: stretch;
}
.p-card-img-feature img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 12s linear;
}
.p-card-wide:hover .p-card-img-feature img { transform: translateY(-30%); }
.p-card-wide:hover .p-card-img-feature img { transform: scale(1.04); }
.p-card-img-feature .p-card-tag,
.p-card-img-feature .p-card-tag-flag {
  position: absolute;
  top: 16px; left: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 1px;
  z-index: 2;
}
.p-card-img-feature .p-card-tag-flag {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(42,122,109,.35);
}

.p-card-body-flag { padding: 36px 36px 32px; }
.p-card-body-flag h3 { font-size: 22px; }

/* mini stats inside flagship card */
.p-card-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 20px;
  margin: 18px 0 6px;
  padding: 16px 0;
  border-top: 1px solid var(--ink-6);
  border-bottom: 1px solid var(--ink-6);
}
.pcs-item { display: flex; flex-direction: column; gap: 4px; }
.pcs-n {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--ink);
  line-height: var(--lh-flat);
}
.pcs-n sup { font-size: .55em; vertical-align: super; }
.pcs-l {
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: .02em;
}

@media (max-width: 880px) {
  .p-card-wide { grid-template-columns: 1fr; }
  .p-card-img-feature {
    border-right: none;
    border-bottom: 1px solid var(--ink-6);
    min-height: 240px;
  }
  .p-card-body-flag { padding: 28px 24px; }
  .p-card-stats { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}

/* —— Function showcase strip (3 feature images for flagship) —— */
.func-strip {
  margin-top: 28px;
  border: 1px solid var(--ink-5);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.func-strip-label {
  padding: 16px 22px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--ink-6);
  font-size: 13px;
  color: var(--ink-2);
  font-weight: 500;
}
.func-strip-label .fs-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--ink-3);
}
.func-strip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.fs-item {
  margin: 0;
  position: relative;
  border-right: 1px solid var(--ink-6);
  background: linear-gradient(135deg, #F5F2EB 0%, #ECE7DD 100%);
  overflow: hidden;
  transition: background .25s;
}
.fs-item:last-child { border-right: none; }
.fs-item:hover { background: linear-gradient(135deg, #EFEBE0 0%, #E5DFD2 100%); }
.fs-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: contain;
  padding: 28px 24px 12px;
  display: block;
  transition: transform .5s var(--ease-out);
}
.fs-item:hover img { transform: translateY(-3px) scale(1.02); }
.fs-item figcaption {
  padding: 0 22px 22px;
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12.5px;
  color: var(--ink-3);
  position: relative;
}
.fs-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 4px;
}
.fs-item figcaption b {
  font-size: 14.5px;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -.005em;
}

@media (max-width: 880px) {
  .func-strip-grid { grid-template-columns: 1fr; }
  .fs-item { border-right: none; border-bottom: 1px solid var(--ink-6); }
  .fs-item:last-child { border-bottom: none; }
  .fs-item img { aspect-ratio: 16/10; padding: 24px 20px 8px; }
}
.p-card-body {
  padding: 28px;
  display: flex; flex-direction: column;
  flex: 1;
}
.p-card-body > .p-icon { margin-bottom: 16px; }
.p-card .p-icon {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.p-card .p-icon svg { width: 18px; height: 18px; }
.p-card h3 {
  font-size: 18px; font-weight: 700;
  font-family: var(--sans);
  margin-bottom: 4px;
  letter-spacing: -.01em;
}
.p-card .p-tag {
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 14px;
  color: var(--ink-3);
  font-family: var(--mono);
  letter-spacing: .04em;
}
.p-card p {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: var(--lh-normal);
  flex: 1;
}
/* —— 能力清单（描述下方一行，更轻、无句号）—— */
.p-card .p-meta {
  flex: 0 0 auto;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--ink-6);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: .02em;
  line-height: var(--lh-snug);
}
.p-card .p-meta b {
  color: var(--ink-2);
  font-weight: 500;
}
.p-card .p-kw {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 16px;
}
.p-card .p-kw span {
  font-size: 11px;
  padding: 3px 9px;
  border: 1px solid var(--ink-5);
  border-radius: 1px;
  color: var(--ink-3);
  font-family: var(--mono);
  letter-spacing: .04em;
}
.p-card .p-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 18px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.p-card .p-link::after {
  content: '→'; transition: transform .2s;
}
.p-card:hover .p-link::after { transform: translateX(3px); }

/* —— color variants —— */
.pc-1 h3, .pc-1 .p-link { color: var(--teal); }
.pc-1 .p-icon { background: rgba(42,122,109,.10); color: var(--teal); }
.pc-2 h3, .pc-2 .p-link { color: #2563EB; }
.pc-2 .p-icon { background: rgba(37,99,235,.10); color: #2563EB; }
.pc-3 h3, .pc-3 .p-link { color: var(--amber); }
.pc-3 .p-icon { background: rgba(180,83,9,.10); color: var(--amber); }
.pc-4 h3, .pc-4 .p-link { color: #16A34A; }
.pc-4 .p-icon { background: rgba(22,163,74,.10); color: #16A34A; }
.pc-5 h3, .pc-5 .p-link { color: var(--indigo); }
.pc-5 .p-icon { background: rgba(67,56,202,.10); color: var(--indigo); }
.pc-6 h3, .pc-6 .p-link { color: #7C3AED; }
.pc-6 .p-icon { background: rgba(124,58,237,.10); color: #7C3AED; }
.pc-7 h3, .pc-7 .p-link { color: #DB2777; }
.pc-7 .p-icon { background: rgba(219,39,119,.10); color: #DB2777; }

.p-card.p-card-flag {
  background: var(--surface);
  border-color: var(--teal);
  border-width: 1px;
}
.p-card.p-card-flag::before {
  content: '核心产品'; position: absolute; top: -10px; left: 24px;
  background: var(--teal);
  color: #fff;
  font-size: 11px;
  font-family: var(--mono);
  padding: 3px 10px;
  letter-spacing: .04em;
}

/* =========================================================
   Moat Cards (5 列横排)
   ========================================================= */

.moat-grid {
  display: grid;
  grid-template-columns: repeat(var(--cols, 5), 1fr);
  gap: 0 1px;
  background: var(--ink-5);
  border: 1px solid var(--ink-5);
  margin-top: 56px;
}
.moat-grid .m-card {
  background: var(--bg);
  padding: 36px 24px;
}
.moat-grid .m-card .m-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--teal);
  letter-spacing: .08em;
  margin-bottom: 14px;
  display: block;
}
.moat-grid .m-card h3 {
  font-size: 15px; font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
}
.moat-grid .m-card p {
  font-size: 13px;
  color: var(--ink-3);
  line-height: var(--lh-normal);
}
@media (max-width: 980px) { .moat-grid { grid-template-columns: repeat(2, 1fr); }
  .moat-grid .m-card:nth-child(n+3) { border-top: 1px solid var(--ink-5); }
}
@media (max-width: 540px) { .moat-grid { grid-template-columns: 1fr; }
  .moat-grid .m-card { border-top: 1px solid var(--ink-5); }
  .moat-grid .m-card:first-child { border-top: none; }
}

/* =========================================================
   Roadmap (横向三阶段)
   ========================================================= */

.roadmap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.roadmap .stage {
  border-top: 2px solid var(--ink);
  padding-top: 24px;
  position: relative;
}
.roadmap .stage:nth-child(2) { border-color: var(--teal); }
.roadmap .stage:nth-child(3) { border-color: var(--amber); }
.roadmap .stage .when {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.roadmap .stage h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: -.02em;
}
.roadmap .stage .stage-tag {
  font-size: 12px;
  color: var(--teal);
  margin-bottom: 14px;
  font-weight: 600;
}
.roadmap .stage:nth-child(3) .stage-tag { color: var(--amber); }
.roadmap .stage p { font-size: 13.5px; color: var(--ink-3); line-height: var(--lh-normal); }
.roadmap .stage .stage-meta {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-4);
  padding-top: 14px;
  border-top: 1px dashed var(--ink-5);
}
@media (max-width: 880px) { .roadmap { grid-template-columns: 1fr; } }

/* =========================================================
   Insight Pull Section
   ========================================================= */

.insight {
  text-align: center;
  padding: clamp(80px, 14vh, 180px) 0;
}
.insight .label {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-4); margin-bottom: 24px;
}

/* =========================================================
   Logo Wall (合作伙伴)
   ========================================================= */

.logo-wall {
  display: grid;
  grid-template-columns: repeat(var(--cols, 4), 1fr);
  gap: 1px;
  background: var(--ink-5);
  border: 1px solid var(--ink-5);
  margin-top: 32px;
}
.logo-wall .logo {
  background: var(--bg);
  padding: 28px 18px;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  min-height: 96px;
  font-family: var(--serif);
}
.sec-dark .logo-wall {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.1);
}
.sec-dark .logo-wall .logo {
  background: var(--dark);
  color: rgba(255,255,255,.7);
}
@media (max-width: 720px) { .logo-wall { grid-template-columns: repeat(2, 1fr); } }

/* =========================================================
   Vision Section (with bg image)
   ========================================================= */

.vision {
  position: relative;
  min-height: 70vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: clamp(100px, 16vh, 200px) var(--gutter);
  overflow: hidden;
  background: var(--dark);
  color: #fff;
}
.vision .vision-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
}
.vision .vision-bg img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: .35;
}
.vision .vision-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, var(--dark) 0%, rgba(14,42,38,.4) 50%, var(--dark) 100%);
}
.vision .v-inner {
  position: relative; z-index: 1;
  max-width: 720px;
}
.vision .v-kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-bottom: 28px;
}
.vision h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 900;
  line-height: var(--lh-display);
  letter-spacing: -.03em;
  color: #fff;
}
.vision h2 em { font-style: normal; color: var(--teal-l); }
.vision .v-sub {
  font-size: clamp(15px, 1.4vw, 18px);
  color: rgba(255,255,255,.7);
  margin-top: 28px;
  line-height: var(--lh-loose);
  font-weight: 300;
}

/* =========================================================
   CTA Section
   ========================================================= */

.cta-sec {
  text-align: center;
  padding: clamp(96px, 14vh, 180px) 0;
}
.cta-sec h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 4.5vw, 56px);
  font-weight: 900;
  line-height: var(--lh-display);
  letter-spacing: -.04em;
  color: var(--ink);
  max-width: 18ch;
  margin: 0 auto;
}
.cta-sec h2 em { font-style: normal; color: var(--teal); }
.cta-sec p {
  font-size: 15px; color: var(--ink-3);
  margin-top: 18px;
  max-width: 48ch; margin-left: auto; margin-right: auto;
}
.cta-sec .btns {
  margin-top: 36px;
  display: flex; gap: 12px;
  justify-content: center; flex-wrap: wrap;
}

/* =========================================================
   List Items (business model / dense info)
   ========================================================= */

.list-grid {
  margin-top: 48px;
  display: flex; flex-direction: column;
}
.list-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--ink-5);
}
.list-item:first-child { border-top: 1px solid var(--ink-5); }
.list-item .li-label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--teal);
  padding-top: 4px;
  letter-spacing: .04em;
}
.list-item .li-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}
.list-item .li-body p {
  font-size: 14px;
  color: var(--ink-3);
  line-height: var(--lh-normal);
}
@media (max-width: 720px) {
  .list-item { grid-template-columns: 1fr; gap: 6px; }
  .list-item .li-label { padding-top: 0; }
}

/* =========================================================
   Two-Column Feature (image + text)
   ========================================================= */

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  margin-top: 56px;
}
.feature-row + .feature-row { margin-top: clamp(56px, 8vh, 96px); }
.feature-row.reverse > :first-child { order: 2; }
.feature-row .f-img {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--ink-5);
  background: var(--surface-2);
  aspect-ratio: 4 / 3;
}
.feature-row .f-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.feature-row .f-body .f-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
}
.feature-row .f-body h3 {
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
  line-height: var(--lh-tight);
  letter-spacing: -.02em;
  color: var(--ink);
  margin-bottom: 18px;
}
.feature-row .f-body p {
  font-size: 15px;
  color: var(--ink-3);
  line-height: var(--lh-loose);
}
.feature-row .f-body p + p { margin-top: 12px; }
.feature-row .f-body ul {
  list-style: none;
  margin-top: 20px;
  display: flex; flex-direction: column; gap: 10px;
}
.feature-row .f-body ul li {
  font-size: 14px;
  color: var(--ink-2);
  padding-left: 20px;
  position: relative;
  line-height: var(--lh-normal);
}
.feature-row .f-body ul li::before {
  content: ''; position: absolute; left: 0; top: 11px;
  width: 8px; height: 1px; background: var(--teal);
}
@media (max-width: 880px) {
  .feature-row { grid-template-columns: 1fr; gap: 28px; }
  .feature-row.reverse > :first-child { order: unset; }
}

/* =========================================================
   Capability Cards (产品页能力清单)
   ========================================================= */

.cap-grid {
  display: grid;
  grid-template-columns: repeat(var(--cols, 3), 1fr);
  gap: 16px;
  margin-top: 48px;
}
.cap-card {
  border: 1px solid var(--ink-5);
  border-radius: var(--radius);
  padding: 28px 24px;
  background: var(--surface);
  transition: border-color .2s;
}
.cap-card:hover { border-color: var(--ink-3); }
.cap-card .cap-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(42,122,109,.10);
  color: var(--teal);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.cap-card .cap-icon svg { width: 17px; height: 17px; }
.cap-card h4 {
  font-size: 15.5px; font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}
.cap-card p {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: var(--lh-normal);
}
@media (max-width: 880px) { .cap-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .cap-grid { grid-template-columns: 1fr; } }

/* =========================================================
   Scenes (落地场景)
   ========================================================= */

.scenes-grid {
  display: grid;
  grid-template-columns: repeat(var(--cols, 3), 1fr);
  gap: 16px;
  margin-top: 48px;
}
.scene {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--ink-5);
  aspect-ratio: 4 / 5;
  background: var(--surface-2);
}
.scene img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease-out);
}
.scene:hover img { transform: scale(1.04); }
.scene .scene-meta {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 22px 22px 18px;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,.65) 70%, rgba(0,0,0,.85) 100%);
  color: #fff;
}
.scene .scene-meta .s-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(255,255,255,.7);
  margin-bottom: 6px;
}
.scene .scene-meta h4 {
  font-size: 16px; font-weight: 700;
}
@media (max-width: 880px) { .scenes-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .scenes-grid { grid-template-columns: 1fr; } }

/* =========================================================
   Team (about page)
   ========================================================= */

.team-grid {
  display: grid;
  grid-template-columns: repeat(var(--cols, 4), 1fr);
  gap: 24px;
  margin-top: 48px;
}
.team-card {
  border: 1px solid var(--ink-5);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--surface);
}
.team-card .avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--surface-2);
  margin-bottom: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--serif);
  font-size: 22px; font-weight: 900;
  color: var(--teal);
}
.team-card h4 {
  font-size: 16px; font-weight: 700; color: var(--ink);
}
.team-card .role {
  font-size: 12.5px;
  font-family: var(--mono);
  color: var(--ink-3);
  margin-top: 4px;
  letter-spacing: .04em;
}
.team-card p {
  font-size: 13px;
  color: var(--ink-3);
  line-height: var(--lh-normal);
  margin-top: 12px;
}
@media (max-width: 880px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .team-grid { grid-template-columns: 1fr; } }

/* =========================================================
   Contact Card Grid
   ========================================================= */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.contact-card {
  border: 1px solid var(--ink-5);
  border-radius: var(--radius);
  padding: 32px 28px;
  background: var(--surface);
  display: flex; flex-direction: column;
}
.contact-card .c-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 10px;
}
.contact-card h3 {
  font-family: var(--serif);
  font-size: 22px; font-weight: 900;
  letter-spacing: -.02em;
  color: var(--ink);
  margin-bottom: 10px;
}
.contact-card p {
  font-size: 14px; color: var(--ink-3); line-height: var(--lh-normal);
  flex: 1;
}
.contact-card .c-email {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
  font-weight: 600;
  border-bottom: 1px solid var(--ink-5);
  padding-bottom: 4px;
  width: fit-content;
}
.contact-card .c-email:hover { border-bottom-color: var(--teal); color: var(--teal); }
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; } }

/* =========================================================
   Legal Pages (privacy, terms)
   ========================================================= */

.legal-content {
  font-family: var(--sans);
  font-size: 16px;
  line-height: var(--lh-loose);
  color: var(--ink-2);
  letter-spacing: var(--ls-body);
}
.legal-content h2 {
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 900;
  letter-spacing: var(--ls-title);
  color: var(--ink);
  line-height: var(--lh-tight);
  margin: 56px 0 16px;
  padding-top: 24px;
  border-top: 1px solid var(--ink-6);
}
.legal-content h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.legal-content p { margin-bottom: 14px; }
.legal-content ul {
  margin: 8px 0 18px;
  padding-left: 24px;
  list-style-type: disc;
}
.legal-content ul li { margin-bottom: 8px; }
.legal-content strong { color: var(--ink); font-weight: 600; }
.legal-content a {
  color: var(--teal-d);
  border-bottom: 1px solid var(--ink-5);
  padding-bottom: 1px;
  transition: border-color .2s;
}
.legal-content a:hover { border-bottom-color: var(--teal); }

@media (max-width: 720px) {
  .legal-content { font-size: 15px; }
  .legal-content h2 { margin-top: 40px; padding-top: 20px; }
}

/* =========================================================
   Job Cards (careers)
   ========================================================= */

.job-list { margin-top: 48px; }
.job-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--ink-5);
  transition: padding .2s;
}
.job-row:first-child { border-top: 1px solid var(--ink-5); }
.job-row:hover { padding-left: 8px; padding-right: 8px; }
.job-row .j-title {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -.01em;
}
.job-row .j-meta {
  font-size: 13px; color: var(--ink-3);
  font-family: var(--mono);
  letter-spacing: .03em;
}
.job-row .j-go {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
  display: inline-flex; align-items: center; gap: 6px;
}
.job-row .j-go::after { content: '→'; transition: transform .2s; }
.job-row:hover .j-go::after { transform: translateX(3px); }
@media (max-width: 720px) {
  .job-row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 20px 0;
  }
  .job-row .j-go { margin-top: 4px; }
}

/* =========================================================
   Breadcrumb (产品页顶部返回)
   ========================================================= */

.crumb {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-3);
  margin-bottom: 24px;
  display: inline-flex; align-items: center; gap: 8px;
}
.crumb a { color: var(--ink-3); }
.crumb a:hover { color: var(--ink); }
.crumb .sep { color: var(--ink-4); }

/* =========================================================
   Footer
   ========================================================= */

.footer {
  border-top: 1px solid var(--ink-5);
  padding: 64px 0 28px;
  background: var(--bg);
}
.footer .f-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 56px;
}
.footer .f-brand .b-name {
  font-family: var(--serif);
  font-size: 20px; font-weight: 900;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: -.02em;
  display: inline-flex; align-items: center; gap: 10px;
}
.footer .f-brand .b-name .mark {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--teal);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}
.footer .f-brand p {
  font-size: 13px;
  color: var(--ink-3);
  line-height: var(--lh-normal);
  max-width: 32ch;
  margin-top: 8px;
}
.footer .f-col h5 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 16px;
}
.footer .f-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer .f-col a {
  font-size: 13.5px;
  color: var(--ink-2);
}
.footer .f-col a:hover { color: var(--teal); }
.footer .f-bottom {
  border-top: 1px solid var(--ink-5);
  padding-top: 24px;
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  font-size: 12px;
  color: var(--ink-4);
}
.footer .f-bottom a { color: var(--ink-4); }
.footer .f-bottom a:hover { color: var(--ink-2); }
.footer .f-bottom .gov-beian {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  vertical-align: middle;
}
.footer .f-bottom .gov-beian svg {
  width: 12px; height: 12px;
  fill: currentColor;
  opacity: .7;
}
@media (max-width: 880px) {
  .footer .f-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer .f-brand { grid-column: 1 / -1; }
}
@media (max-width: 540px) {
  .footer .f-top { grid-template-columns: 1fr; }
}

/* =========================================================
   Reveal Animations
   ========================================================= */

.rv {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity .7s var(--ease-out),
    transform .7s var(--ease-out);
}
.rv.vis { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .08s; }
.rv-d2 { transition-delay: .16s; }
.rv-d3 { transition-delay: .24s; }
.rv-d4 { transition-delay: .32s; }
.rv-d5 { transition-delay: .40s; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
}

/* =========================================================
   Misc
   ========================================================= */

.divider {
  height: 1px;
  background: var(--ink-5);
  margin: 0 auto;
  max-width: var(--max);
}

/* =========================================================
   ★ V2 升级组件
   ========================================================= */

/* —— Hero 升级：左侧 EDITION 数字 + 右上角 SVG 图形 + 滚动指示 —— */

.hero {
  position: relative;
}
.hero:not(.hero-product) {
  min-height: 100vh;
}
.hero-edition {
  position: absolute;
  left: var(--gutter);
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: left center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--ink-4);
  white-space: nowrap;
  display: flex; align-items: center; gap: 14px;
  pointer-events: none;
  z-index: 2;
}
.hero-edition::before {
  content: '';
  width: 28px; height: 1px;
  background: var(--ink-4);
}
.hero-figure {
  position: absolute;
  right: var(--gutter);
  top: 22%;
  width: clamp(220px, 26vw, 380px);
  height: clamp(220px, 26vw, 380px);
  z-index: 1;
  pointer-events: none;
  opacity: .85;
}
.hero-figure svg { width: 100%; height: 100%; overflow: visible; }
.hero-figure .ring { fill: none; stroke: var(--ink-5); stroke-width: 1; }
.hero-figure .ring-c { fill: none; stroke: var(--teal); stroke-width: 1.5; opacity: .5; }
.hero-figure .node { fill: var(--bg); stroke: var(--teal); stroke-width: 1.5; }
.hero-figure .node-c { fill: var(--teal); stroke: var(--teal); stroke-width: 1.5; }
.hero-figure .link { stroke: var(--ink-5); stroke-width: 1; fill: none; stroke-dasharray: 3 4; }
.hero-figure .label {
  font-family: var(--mono);
  font-size: 13px;
  fill: var(--ink-3);
  letter-spacing: .02em;
  font-weight: 500;
}
@media (max-width: 880px) {
  .hero-figure { display: none; }
  .hero-edition { display: none; }
}
.hero-cue {
  position: absolute;
  left: var(--gutter);
  bottom: 32px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-4);
  display: inline-flex; align-items: center; gap: 12px;
  z-index: 2;
}
.hero-cue::after {
  content: '';
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--ink-4), transparent);
  animation: cueDrop 2.4s var(--ease-out) infinite;
}
@keyframes cueDrop {
  0%   { transform: translateY(-12px) scaleY(.4); opacity: 0; }
  40%  { transform: translateY(0)     scaleY(1);  opacity: 1; }
  100% { transform: translateY(20px)  scaleY(.2); opacity: 0; }
}

/* —— Hero 标题字符级入场 —— */
.hero h1 .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(28px);
  animation: charIn .8s var(--ease-out) forwards;
}
.hero h1 .char.space { width: .25em; }
@keyframes charIn {
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .hero h1 .char { animation: none; opacity: 1; transform: none; }
}

/* —— Counter 数字 —— */
.stat .n[data-count] { display: inline-block; }

/* —— 卡片 hover 升级 —— */
.p-card {
  transition: border-color .25s, transform .35s var(--ease-out), box-shadow .35s var(--ease-out);
}
.p-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -24px rgba(17,17,17,.12);
}
.cap-card {
  transition: border-color .2s, transform .35s var(--ease-out), box-shadow .35s var(--ease-out);
}
.cap-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px -22px rgba(17,17,17,.1);
}
.contact-card { transition: border-color .25s, transform .35s var(--ease-out), box-shadow .35s var(--ease-out); }
.contact-card:hover { transform: translateY(-3px); box-shadow: 0 16px 32px -22px rgba(17,17,17,.1); border-color: var(--ink-3); }
.team-card { transition: border-color .25s, transform .35s var(--ease-out), box-shadow .35s var(--ease-out); }
.team-card:hover { transform: translateY(-3px); box-shadow: 0 16px 32px -22px rgba(17,17,17,.1); border-color: var(--ink-3); }

/* —— Section transition decorator —— */
.sec-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 8px 0;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--ink-4);
  text-transform: uppercase;
}
.sec-divider::before,
.sec-divider::after {
  content: '';
  flex: 0 0 60px;
  height: 1px;
  background: var(--ink-5);
}

/* —— Testimonials —— */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 56px;
}
.testi-card {
  border: 1px solid var(--ink-5);
  border-radius: var(--radius);
  padding: 32px 28px;
  background: var(--surface);
  display: flex; flex-direction: column;
  transition: border-color .25s, transform .35s var(--ease-out), box-shadow .35s var(--ease-out);
}
.testi-card:hover {
  border-color: var(--ink-3);
  transform: translateY(-3px);
  box-shadow: 0 16px 32px -22px rgba(17,17,17,.1);
}
.testi-card .quote-mark {
  font-family: var(--serif);
  font-size: 60px;
  line-height: .6; /* 装饰性大引号下沉，故意压低 */
  color: var(--teal);
  margin-bottom: 8px;
  font-weight: 900;
  height: 30px;
}
.testi-card .quote-body {
  font-family: var(--serif);
  font-size: 16px;
  line-height: var(--lh-normal);
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -.005em;
  flex: 1;
  margin-bottom: 24px;
}
.testi-card .quote-meta {
  display: flex; align-items: center; gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--ink-5);
}
.testi-card .quote-meta .av {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--surface-2);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--serif);
  font-weight: 900;
  color: var(--teal);
  font-size: 16px;
  flex: 0 0 40px;
}
.testi-card .quote-meta .who {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
}
.testi-card .quote-meta .what {
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 2px;
  font-family: var(--mono);
  letter-spacing: .03em;
}
@media (max-width: 880px) { .testi-grid { grid-template-columns: 1fr; } }

/* —— Versus Table —— */
.vs-table-wrap {
  margin-top: 56px;
  border: 1px solid var(--ink-5);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.vs-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
}
.vs-table th, .vs-table td {
  padding: 20px 18px;
  text-align: left;
  font-size: 13.5px;
  vertical-align: top;
  border-bottom: 1px solid var(--ink-5);
}
.vs-table tr:last-child th,
.vs-table tr:last-child td { border-bottom: none; }
.vs-table thead th {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-4);
  background: var(--surface-2);
  border-bottom: 1px solid var(--ink-5);
  padding: 16px 18px;
}
.vs-table thead th.vs-us {
  color: var(--teal);
  background: rgba(42,122,109,.06);
  font-weight: 700;
}
.vs-table tbody th {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  font-weight: 700;
  color: var(--ink-3);
  background: var(--surface-2);
  width: 18%;
  vertical-align: middle;
}
.vs-table td {
  color: var(--ink-3);
  line-height: var(--lh-normal);
}
.vs-table td.vs-us-cell {
  background: rgba(42,122,109,.04);
  color: var(--ink);
  font-weight: 500;
  border-left: 1px solid rgba(42,122,109,.2);
  border-right: 1px solid rgba(42,122,109,.2);
}
.vs-table tr:last-child td.vs-us-cell { border-bottom: 1px solid rgba(42,122,109,.2); }
.vs-table tr:first-child td.vs-us-cell,
.vs-table thead th.vs-us { border-top: 1px solid rgba(42,122,109,.2); }
@media (max-width: 720px) {
  .vs-table-wrap { overflow-x: auto; }
  .vs-table { min-width: 640px; }
}

/* —— Flywheel SVG —— */
.flywheel-figure {
  margin: 56px auto 0;
  width: min(640px, 92vw);
  aspect-ratio: 1;
  position: relative;
}
.flywheel-figure svg {
  width: 100%; height: 100%;
  overflow: visible;
}
.flywheel-figure .fw-ring { fill: none; stroke: var(--ink-5); stroke-width: 1; }
.flywheel-figure .fw-ring-2 { fill: none; stroke: var(--ink-5); stroke-width: 1; stroke-dasharray: 4 4; }
.flywheel-figure .fw-arrow { fill: none; stroke: var(--teal); stroke-width: 1.5; }
.flywheel-figure .fw-center-bg { fill: var(--bg); }
.flywheel-figure .fw-center-bg-d { fill: var(--dark); }
.flywheel-figure .fw-node-bg { fill: var(--surface); stroke: var(--ink-5); stroke-width: 1; }
.flywheel-figure .fw-node-bg.active { stroke: var(--teal); stroke-width: 1.5; }
.flywheel-figure .fw-text-num {
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  fill: var(--teal); letter-spacing: .06em;
}
.flywheel-figure .fw-text-name {
  font-family: var(--sans); font-size: 13px; font-weight: 700;
  fill: var(--ink);
}
.flywheel-figure .fw-text-desc {
  font-family: var(--sans); font-size: 11px;
  fill: var(--ink-3);
}
.flywheel-figure .fw-center-text-1 {
  font-family: var(--serif); font-size: 18px; font-weight: 900;
  fill: var(--ink); letter-spacing: -.02em;
}
.flywheel-figure .fw-center-text-2 {
  font-family: var(--mono); font-size: 10px;
  fill: var(--ink-3); letter-spacing: .12em;
}
.sec-dark .flywheel-figure .fw-ring,
.sec-dark .flywheel-figure .fw-ring-2 { stroke: rgba(255,255,255,.18); }
.sec-dark .flywheel-figure .fw-node-bg { fill: var(--dark-2); stroke: rgba(255,255,255,.2); }
.sec-dark .flywheel-figure .fw-node-bg.active { stroke: var(--teal-l); }
.sec-dark .flywheel-figure .fw-text-num { fill: var(--teal-l); }
.sec-dark .flywheel-figure .fw-text-name { fill: #fff; }
.sec-dark .flywheel-figure .fw-text-desc { fill: rgba(255,255,255,.55); }
.sec-dark .flywheel-figure .fw-center-bg { fill: var(--dark); }
.sec-dark .flywheel-figure .fw-center-text-1 { fill: #fff; }
.sec-dark .flywheel-figure .fw-center-text-2 { fill: rgba(255,255,255,.5); }
.sec-dark .flywheel-figure .fw-arrow { stroke: var(--teal-l); }

/* —— Marquee for press logos / partners —— */
.marquee {
  position: relative;
  overflow: hidden;
  margin-top: 32px;
  border-top: 1px solid var(--ink-5);
  border-bottom: 1px solid var(--ink-5);
  padding: 24px 0;
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: inline-flex;
  gap: 64px;
  animation: marqueeScroll 40s linear infinite;
  white-space: nowrap;
  align-items: center;
}
.marquee-item {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink-3);
  letter-spacing: -.005em;
  font-weight: 600;
  display: inline-flex; align-items: center; gap: 10px;
}
.marquee-item::before {
  content: '◆';
  font-size: 7px;
  color: var(--teal);
}
@keyframes marqueeScroll {
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* —— Back to top —— */
.to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 80;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .3s var(--ease-out), transform .3s var(--ease-out), background .2s;
  border: none;
  box-shadow: 0 8px 24px -8px rgba(17,17,17,.3);
}
.to-top.show {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.to-top:hover { background: var(--teal); }
.to-top svg { width: 18px; height: 18px; }

/* —— Press / news list —— */
.news-list { margin-top: 48px; display: flex; flex-direction: column; }
.news-row {
  display: grid;
  grid-template-columns: 110px 1.6fr 1fr auto;
  gap: 28px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--ink-5);
  transition: padding .25s, background .25s;
}
.news-row:first-child { border-top: 1px solid var(--ink-5); }
.news-row:hover { padding-left: 12px; padding-right: 12px; background: var(--surface); }
.news-row .n-date {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--teal);
  font-weight: 700;
  letter-spacing: .04em;
}
.news-row .n-title {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 900;
  color: var(--ink);
  letter-spacing: -.01em;
  line-height: var(--lh-snug);
}
.news-row .n-tag {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: .03em;
}
.news-row .n-go {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
}
.news-row .n-go::after { content: '→'; transition: transform .2s; }
.news-row:hover .n-go::after { transform: translateX(3px); }
@media (max-width: 720px) {
  .news-row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 22px 0;
  }
}

/* —— Subtle paper grain on body for warmth (low cost) —— */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: radial-gradient(rgba(0,0,0,.025) 1px, transparent 1px);
  background-size: 3px 3px;
  pointer-events: none;
  z-index: 1;
  opacity: .35;
  mix-blend-mode: multiply;
}
nav, .to-top, .vision, .sec-dark { isolation: isolate; }
nav, .to-top { z-index: 90; }

/* —— Hero h1 highlight refinement —— */
.hero h1 em::after {
  content: '';
  position: absolute;
  inset: auto 0 .04em 0;
  height: .12em;
  background: rgba(42,122,109,.18);
  z-index: -1;
  border-radius: 2px;
}
.hero h1 em { position: relative; z-index: 1; }

/* =========================================================
   ★ Mobile Optimization (V2)
   ========================================================= */

/* 防止 horizontal overflow */
html, body { overflow-x: hidden; max-width: 100vw; }

/* —— Mobile Nav 强化 —— */
@media (max-width: 820px) {
  .nav .inner {
    padding: 14px var(--gutter);
  }
  .nav .brand {
    font-size: 14px;
  }
  .nav .brand .mark {
    width: 26px; height: 26px;
    font-size: 13px;
  }
  /* hamburger -> X 切换 */
  .nav-mobile-toggle {
    position: relative;
    z-index: 100;
  }
  .nav-mobile-toggle span {
    transition: transform .25s var(--ease-out), opacity .15s;
  }
  .nav-mobile-toggle span::before,
  .nav-mobile-toggle span::after {
    transition: transform .25s var(--ease-out), top .25s var(--ease-out);
  }
  .nav.menu-open .nav-mobile-toggle span {
    background: transparent;
  }
  .nav.menu-open .nav-mobile-toggle span::before {
    top: 0;
    transform: rotate(45deg);
  }
  .nav.menu-open .nav-mobile-toggle span::after {
    top: 0;
    transform: rotate(-45deg);
  }
  /* mobile menu 升级：全屏 panel + 大字 + 渐入 */
  .nav.menu-open .links {
    display: flex !important;
    flex-direction: column;
    gap: 0;
    position: fixed;
    top: 60px;
    left: 0; right: 0; bottom: 0;
    background: var(--bg);
    border-top: 1px solid var(--ink-5);
    padding: 32px var(--gutter) 32px;
    overflow-y: auto;
    animation: navSlide .35s var(--ease-out);
    z-index: 80;
  }
  .nav.menu-open .links a {
    padding: 22px 0;
    border-bottom: 1px solid var(--ink-6);
    font-size: 18px;
    font-family: var(--serif);
    font-weight: 700;
    color: var(--ink);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .nav.menu-open .links a::after {
    content: '→';
    color: var(--ink-4);
    font-family: var(--mono);
    font-weight: 400;
  }
  .nav.menu-open .links a.active { color: var(--teal); }
  .nav.menu-open .links a.active::after { color: var(--teal); }
  .nav.menu-open .cta {
    display: inline-block;
    margin: 24px var(--gutter) 0;
    padding: 16px 32px;
    width: calc(100% - var(--gutter) * 2);
    text-align: center;
  }
  body.menu-locked { overflow: hidden; }
}
@keyframes navSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: none; }
}

/* —— Hero mobile 调优 —— */
@media (max-width: 720px) {
  .hero {
    min-height: auto !important;
    padding: 110px var(--gutter) 60px;
  }
  .hero h1 {
    font-size: clamp(38px, 11vw, 52px) !important;
    line-height: var(--lh-display);
  }
  .hero-sub { font-size: 15px; line-height: var(--lh-normal); }
  .hero-kicker { font-size: 11px; }
  .hero-actions {
    display: flex; flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .hero-actions .btn {
    justify-content: center;
    padding: 14px 24px;
    font-size: 14px;
  }
  .hero-cue { display: none; }
  .hero-rule { margin-top: 28px; }
}

/* —— Stats bar mobile —— */
@media (max-width: 720px) {
  .stats-bar .wrap {
    flex-wrap: wrap;
    gap: 24px 12px;
    padding: 28px 0;
  }
  .stat { flex-basis: calc(50% - 12px); text-align: left; padding: 0 4px; }
  .stat .n { font-size: 28px; }
  .stat .l { font-size: 11px; }
}

/* —— Section mobile —— */
@media (max-width: 720px) {
  .sec, .sec-tight { padding: 72px 0; }
  .sec-title { font-size: clamp(28px, 8vw, 38px) !important; line-height: var(--lh-tight); }
  .sec-sub { font-size: 14.5px; line-height: var(--lh-normal); }
  .sec-label { font-size: 10.5px; }
}

/* —— Grids 全部退化为 1-2 列 —— */
@media (max-width: 720px) {
  .quad-grid,
  .moat-grid,
  .scene-grid,
  .team-grid,
  .partners-grid,
  .contact-grid,
  .feat-row,
  .cap-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  .cap-grid { --cols: 1 !important; }
  .p-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  .p-card { padding: 28px 24px; }
  .p-card h3 { font-size: 22px; }
  .moat-card { padding: 24px 22px; }
  .testi-grid { grid-template-columns: 1fr; gap: 12px; }
  .testi-card { padding: 26px 22px; }
  .testi-card .quote-body { font-size: 15px; }
  .logo-wall { --cols: 2 !important; gap: 8px; }
  .logo-wall .logo { padding: 18px 8px; font-size: 12px; min-height: 64px; }
}

/* —— Versus 表卡片化（mobile）—— */
@media (max-width: 720px) {
  .vs-table-wrap { overflow: visible; border: none; background: transparent; padding: 0; }
  .vs-table thead { display: none; }
  .vs-table, .vs-table tbody, .vs-table tr, .vs-table th, .vs-table td {
    display: block;
    width: auto;
    min-width: 0;
  }
  .vs-table tbody {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .vs-table tr {
    border: 1px solid var(--ink-5);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 18px;
  }
  .vs-table tr:has(.vs-us-cell) {
    border-color: var(--teal);
    background: rgba(42,122,109,.04);
  }
  .vs-table tbody th {
    background: transparent;
    width: auto;
    padding: 0 0 12px;
    border: none;
    font-size: 11px;
    color: var(--teal);
  }
  .vs-table td {
    padding: 8px 0;
    border-bottom: 1px solid var(--ink-6);
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
  }
  .vs-table td::before {
    content: attr(data-label);
    font-family: var(--mono);
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--ink-4);
    flex: 0 0 auto;
  }
  .vs-table td:last-child { border-bottom: none; }
  .vs-table td.vs-us-cell {
    background: transparent;
    border: none;
    border-top: 1px solid var(--teal);
    margin-top: 8px;
    padding-top: 14px;
    color: var(--teal-d);
    font-weight: 700;
  }
  .vs-table td.vs-us-cell::before {
    content: '循循善诱 AI';
    color: var(--teal);
    font-weight: 700;
  }
}

/* —— Flywheel mobile 文字调整 —— */
@media (max-width: 720px) {
  .flywheel-figure { width: 100%; }
  .flywheel-figure .fw-text-num { font-size: 13px; }
  .flywheel-figure .fw-text-name { font-size: 14px; }
  .flywheel-figure .fw-text-desc { display: none; }
  .flywheel-figure .fw-center-text-1 { font-size: 22px; }
  .flywheel-figure .fw-center-text-2 { font-size: 12px; }
}

/* —— Footer mobile 堆叠 —— */
@media (max-width: 720px) {
  .footer .f-top {
    grid-template-columns: 1fr !important;
    gap: 36px;
  }
  .footer .f-bottom {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
    text-align: left;
  }
  .footer .b-name { font-size: 18px; }
  .footer .f-brand p { font-size: 13px; }
}

/* —— News list mobile —— */
@media (max-width: 720px) {
  .news-row {
    grid-template-columns: 1fr !important;
    gap: 4px;
    padding: 20px 0 !important;
  }
  .news-row .n-date { font-size: 12px; }
  .news-row .n-title { font-size: 16px; }
  .news-row .n-tag { font-size: 11px; margin-top: 4px; }
  .news-row .n-go { display: none; }
  .news-row:hover { padding: 20px 0; background: transparent; }
}

/* —— CTA section mobile —— */
@media (max-width: 720px) {
  .cta-sec { padding: 72px 0; }
  .cta-sec h2 { font-size: clamp(30px, 8vw, 44px) !important; line-height: var(--lh-tight); }
  .cta-sec p { font-size: 14.5px; }
  .cta-sec .btns {
    flex-direction: column;
    align-items: stretch;
  }
  .cta-sec .btn { justify-content: center; }
}

/* —— Testimonials bottom strip mobile —— */
@media (max-width: 720px) {
  .testi-grid + div {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 16px !important;
  }
}

/* —— Touch target sizing —— */
@media (max-width: 720px) {
  .btn { min-height: 46px; }
  .to-top { right: 16px; bottom: 16px; }
}

/* —— Mobile 性能优化 —— */
@media (max-width: 720px) {
  body::before { display: none; }
  .hero-bg::before { display: none; }
  /* 减少 reveal 偏移，让 mobile 上不那么"飘" */
  .rv { transform: translateY(20px); }
}

/* —— Hero edition / cue / figure 已在原 css 隐藏；再确认 mobile —— */
@media (max-width: 720px) {
  .hero-figure, .hero-edition, .hero-cue { display: none !important; }
}

/* —— Hero product page mobile —— */
@media (max-width: 720px) {
  .hero-product { min-height: auto !important; padding: 110px var(--gutter) 50px; }
  .hero-product h1 { font-size: clamp(34px, 9vw, 46px); }
}

/* =========================================================
   响应式断行（Responsive Line Breaks）
   br.dt-br : 桌面换行 / 移动端流式（消除手机上的强制断行）
   br.all-br: 桌面与移动端都保留换行（用于 hero h1 节奏 / 对仗结构）
   ========================================================= */
br.dt-br  { display: inline; }
br.all-br { display: inline; }
@media (max-width: 720px) {
  br.dt-br { display: none; }
}