/* 官网样式：磨砂玻璃（glassmorphism）· PC / 手机自适应 · 不依赖任何外部字体和库 */
:root {
  --bg: #eef1fb;
  --ink: #0f172a;
  --ink2: #334155;
  --mute: #64748b;
  --line: rgba(15, 23, 42, .08);
  --pri: #4f46e5;
  --pri-d: #4338ca;
  --cyan: #0891b2;
  --ok: #059669;
  --bad: #e11d48;
  --grad: linear-gradient(120deg, #4f46e5 0%, #7c3aed 48%, #0891b2 100%);
  --glass: rgba(255, 255, 255, .56);
  --glass-hi: rgba(255, 255, 255, .8);
  --glass-bd: rgba(255, 255, 255, .78);
  --blur: blur(18px) saturate(170%);
  --shadow: 0 1px 1px rgba(255, 255, 255, .6) inset, 0 12px 32px -14px rgba(37, 46, 99, .22), 0 2px 6px -2px rgba(37, 46, 99, .07);
  --shadow-hi: 0 1px 1px rgba(255, 255, 255, .7) inset, 0 22px 48px -18px rgba(67, 56, 202, .35), 0 4px 10px -4px rgba(37, 46, 99, .1);
  --r: 20px;
  --r-sm: 12px;
  --wrap: 1200px;
  --hd: 68px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--hd) + 16px); }
body {
  margin: 0; font: 16px/1.7 var(--font); color: var(--ink2); background: var(--bg);
  -webkit-font-smoothing: antialiased; overflow-x: hidden; min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3, h4 { color: var(--ink); margin: 0; line-height: 1.25; letter-spacing: -.01em; }
p { margin: 0; }
[hidden] { display: none !important; }
.ic { width: 1.15em; height: 1.15em; flex: none; vertical-align: -.2em; }

/* ---------- 背景：彩色光斑 + 细网格，给玻璃提供"透出来"的颜色 ---------- */
.bg { position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(42vw 38vw at 6% -4%, rgba(99, 102, 241, .34), transparent 62%),
    radial-gradient(36vw 34vw at 98% 8%, rgba(6, 182, 212, .28), transparent 64%),
    radial-gradient(40vw 40vw at 82% 92%, rgba(168, 85, 247, .24), transparent 62%),
    radial-gradient(34vw 30vw at 8% 88%, rgba(56, 189, 248, .22), transparent 62%),
    linear-gradient(180deg, #f3f5fe 0%, #eaeefb 100%);
}
.bg::after { content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: linear-gradient(rgba(79, 70, 229, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(79, 70, 229, .05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%); mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%);
}

/* ---------- 玻璃 ---------- */
.glass { background: var(--glass); -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  border: 1px solid var(--glass-bd); box-shadow: var(--shadow); border-radius: var(--r); }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass, .hd.solid, .modal-box, .side-it, .mbar-tel, .side-pop { background: rgba(255, 255, 255, .92) !important; }
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 860px; }
.center { text-align: center; justify-content: center; }
.mute { color: var(--mute); }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 200; background: #fff; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--pri); outline-offset: 2px; }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 22px;
  border-radius: 999px; border: 1px solid transparent; font-weight: 600; font-size: 15px; white-space: nowrap;
  transition: transform .15s, box-shadow .2s, background .2s; }
.btn:active { transform: scale(.98); }
.btn.sm { height: 38px; padding: 0 16px; font-size: 14px; }
.btn.lg { height: 52px; padding: 0 28px; font-size: 16px; }
.btn.block { display: flex; width: 100%; }
.btn.pri { background: var(--grad); background-size: 140% 100%; color: #fff; box-shadow: 0 10px 24px -10px rgba(79, 70, 229, .7), inset 0 1px 0 rgba(255, 255, 255, .25); }
.btn.pri:hover { background-position: 100% 0; box-shadow: 0 14px 30px -10px rgba(79, 70, 229, .8), inset 0 1px 0 rgba(255, 255, 255, .25); transform: translateY(-1px); }
.btn.pri[disabled] { opacity: .7; cursor: wait; transform: none; }
.btn.ghost { background: transparent; border-color: rgba(79, 70, 229, .25); color: var(--pri); }
.btn.ghost:hover { background: rgba(79, 70, 229, .07); }
.btn.glass-btn { background: rgba(255, 255, 255, .6); border-color: var(--glass-bd); color: var(--ink); box-shadow: var(--shadow);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); }
.btn.glass-btn:hover { background: rgba(255, 255, 255, .85); transform: translateY(-1px); }
.link { display: inline-flex; align-items: center; gap: 6px; color: var(--pri); font-weight: 600; }
.link:hover .ic { transform: translateX(3px); }
.link .ic { transition: transform .2s; }

/* ---------- 页眉 ---------- */
.hd { position: sticky; top: 0; z-index: 50; height: var(--hd); transition: background .25s, box-shadow .25s, border-color .25s;
  border-bottom: 1px solid transparent; }
.hd.solid { background: rgba(255, 255, 255, .62); -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur);
  border-bottom-color: rgba(255, 255, 255, .7); box-shadow: 0 8px 24px -16px rgba(37, 46, 99, .25); }
.hd-in { height: 100%; display: flex; align-items: center; gap: 28px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--ink); flex: none; }
.logo img { width: 36px; height: 36px; object-fit: contain; border-radius: 9px; }
.logo-mark { width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center; color: #fff; background: var(--grad);
  box-shadow: 0 6px 16px -6px rgba(79, 70, 229, .7); }
.logo-mark .ic { width: 19px; height: 19px; }
.nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.nav a { padding: 8px 14px; border-radius: 999px; font-size: 15px; color: var(--ink2); transition: background .2s, color .2s; }
.nav a:hover { color: var(--pri); background: rgba(255, 255, 255, .55); }
.nav a.on { color: var(--pri); font-weight: 600; background: rgba(255, 255, 255, .7); box-shadow: var(--shadow); }
.nav .m-only { display: none; }
.hd-act { display: flex; align-items: center; gap: 10px; }
.hd-tel { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--ink); margin-right: 6px; }
.hd-tel .ic { color: var(--pri); }
.menu-btn { display: none; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--glass-bd);
  background: rgba(255, 255, 255, .6); place-items: center; }
.menu-btn .ic { width: 22px; height: 22px; }

.crumbs { display: flex; flex-wrap: wrap; gap: 6px; font-size: 13px; color: var(--mute); padding-top: 18px; }
.crumbs a:hover { color: var(--pri); }

/* ---------- 通用版块 ---------- */
.sec { padding: clamp(44px, 5.5vw, 76px) 0; }
.sec.tight { padding-top: 24px; }
.sec-hd { text-align: center; max-width: 760px; margin: 0 auto clamp(32px, 4vw, 52px); }
.sec-hd h2 { font-size: clamp(26px, 3.3vw, 40px); font-weight: 800; margin: 10px 0 14px; }
.sec-hd p { color: var(--mute); font-size: 17px; }
.eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; letter-spacing: .12em;
  color: var(--pri); text-transform: uppercase; }
.eyebrow::before { content: ""; width: 18px; height: 2px; border-radius: 2px; background: var(--grad); }
.sec-more { text-align: center; margin-top: 32px; }
.mini-t { font-size: 22px; margin-bottom: 20px; }
.ic-box { width: 48px; height: 48px; flex: none; border-radius: 14px; display: grid; place-items: center; color: var(--pri);
  background: linear-gradient(135deg, rgba(99, 102, 241, .16), rgba(6, 182, 212, .14)); border: 1px solid rgba(255, 255, 255, .8); }
.ic-box .ic { width: 24px; height: 24px; }
.ic-box.sm { width: 40px; height: 40px; border-radius: 12px; }
.ic-box.sm .ic { width: 20px; height: 20px; }
.ic-box.lg { width: 60px; height: 60px; border-radius: 18px; }
.ic-box.lg .ic { width: 30px; height: 30px; }
.ticks { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 22px; }
.ticks li { display: flex; align-items: flex-start; gap: 8px; }
.ticks .ic { color: var(--ok); margin-top: .3em; width: 1.05em; height: 1.05em; }
.ticks.col { flex-direction: column; gap: 10px; }
.tag { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; color: var(--pri);
  background: rgba(79, 70, 229, .1); }

/* ---------- 首屏 ---------- */
.hero { padding: clamp(40px, 6vw, 84px) 0 clamp(36px, 5vw, 64px); }
.hero-in { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(28px, 4vw, 64px); align-items: center; }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px; border-radius: 999px; font-size: 14px; font-weight: 600;
  color: var(--pri-d); background: rgba(255, 255, 255, .66); border: 1px solid var(--glass-bd); box-shadow: var(--shadow);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); }
.badge .ic { color: #7c3aed; }
.hero h1, .page-hero h1 { font-size: clamp(34px, 5.2vw, 60px); font-weight: 850; line-height: 1.14; letter-spacing: -.025em; margin: 22px 0 20px; }
.lead { font-size: clamp(16px, 1.5vw, 19px); color: var(--ink2); max-width: 640px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 26px; }
.hero-cta.center { justify-content: center; }
.hero .ticks { color: var(--ink2); font-size: 15px; }
.hero-vis { position: relative; }
.hero-img { border-radius: 24px; box-shadow: var(--shadow-hi); width: 100%; }

.callcard { padding: 20px; border-radius: 26px; box-shadow: var(--shadow-hi); background: rgba(255, 255, 255, .5); }
.cc-top { display: flex; align-items: center; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.cc-av { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 15px;
  background: var(--grad); box-shadow: 0 0 0 4px rgba(99, 102, 241, .15); flex: none; }
.cc-av.sm { width: 32px; height: 32px; font-size: 12px; box-shadow: none; }
.cc-who { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.cc-who b { color: var(--ink); font-size: 15px; }
.cc-who small { color: var(--mute); font-size: 13px; display: flex; align-items: center; gap: 6px; }
.live { width: 8px; height: 8px; border-radius: 50%; background: #10b981; box-shadow: 0 0 0 0 rgba(16, 185, 129, .6); animation: live 1.6s infinite; }
@keyframes live { 70% { box-shadow: 0 0 0 7px rgba(16, 185, 129, 0); } 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); } }
.wave { display: flex; align-items: center; gap: 3px; height: 26px; }
.wave i { width: 3px; border-radius: 3px; background: var(--grad); height: 30%; animation: wave 1s ease-in-out infinite; }
.wave i:nth-child(2) { animation-delay: .15s; } .wave i:nth-child(3) { animation-delay: .3s; }
.wave i:nth-child(4) { animation-delay: .45s; } .wave i:nth-child(5) { animation-delay: .6s; }
@keyframes wave { 50% { height: 100%; } }
.cc-body { display: flex; flex-direction: column; gap: 10px; padding: 18px 0; }
.msg { max-width: 86%; padding: 10px 14px; border-radius: 16px; font-size: 14px; line-height: 1.6; }
.msg.ai { align-self: flex-start; background: rgba(255, 255, 255, .85); border: 1px solid rgba(255, 255, 255, .9); border-top-left-radius: 4px; color: var(--ink); }
.msg.me { align-self: flex-end; background: linear-gradient(135deg, #6366f1, #0ea5e9); color: #fff; border-top-right-radius: 4px; }
.js .msg { opacity: 0; transform: translateY(8px); animation: msg .5s ease forwards; animation-delay: calc(var(--i) * 1.1s + .3s); }
@keyframes msg { to { opacity: 1; transform: none; } }
.cc-foot { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; padding-top: 14px; border-top: 1px solid var(--line); }
.hero-vis:has(.fc1) { margin-bottom: 24px; }
.chip { font-size: 12.5px; padding: 4px 10px; border-radius: 999px; background: rgba(255, 255, 255, .8); color: var(--ink2); border: 1px solid var(--line); }
.chip.a { background: rgba(16, 185, 129, .14); color: #047857; border-color: rgba(16, 185, 129, .25); font-weight: 700; }
.float-card { position: absolute; display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: 16px; background: rgba(255, 255, 255, .7); }
.float-card .ic { width: 26px; height: 26px; color: var(--pri); }
.float-card b { display: block; color: var(--ink); font-size: 15px; line-height: 1.3; }
.float-card small { color: var(--mute); font-size: 12px; }
.fc1 { left: -28px; bottom: -30px; animation: float 6s ease-in-out infinite; }
.fc2 { right: -18px; top: -22px; animation: float 6s ease-in-out -3s infinite; }
@keyframes float { 50% { transform: translateY(-8px); } }

.stats-wrap { margin-top: 8px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 26px 12px; }
.stat { text-align: center; padding: 6px 12px; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat b { display: block; font-size: clamp(26px, 3vw, 38px); font-weight: 850; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1.2; }
.stat b small { font-size: .5em; margin-left: 3px; }
.stat span { font-size: 14px; color: var(--mute); }
.partners { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 12px 30px; padding-top: 34px; color: var(--mute); }
.partners > span { font-size: 13px; letter-spacing: .1em; }
.partners b, .partners a { font-size: 17px; font-weight: 700; color: #64748b; opacity: .85; }

/* ---------- 卡片网格 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }
.feat-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.feat-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feat { padding: 24px 22px; transition: transform .25s, box-shadow .25s, background .25s; }
.feat:hover { transform: translateY(-4px); box-shadow: var(--shadow-hi); background: rgba(255, 255, 255, .72); }
.feat h3 { font-size: 17px; margin: 16px 0 8px; }
.feat p { font-size: 14px; color: var(--mute); line-height: 1.7; }

.sample-grid, .case-grid, .quote-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.sample { padding: 22px; display: flex; flex-direction: column; gap: 12px; }
.sample-hd { display: flex; gap: 12px; align-items: center; }
.sample h3 { font-size: 17px; }
.sample small { color: var(--mute); font-size: 13px; }
.sample p { font-size: 14px; color: var(--mute); }
.sample blockquote { margin: 0; padding: 10px 14px; border-left: 3px solid #a5b4fc; background: rgba(255, 255, 255, .5); border-radius: 0 10px 10px 0; font-size: 14px; }
.sample audio { width: 100%; height: 40px; margin-top: auto; }
.case { padding: 24px; }
.case h3 { font-size: 18px; margin: 12px 0 8px; }
.case-res { font-weight: 700; color: var(--pri); margin-bottom: 8px; }
.case p { font-size: 14px; color: var(--mute); }
.quote { padding: 26px; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.quote > .ic { width: 28px; height: 28px; color: #a5b4fc; }
.quote blockquote { margin: 0; color: var(--ink2); }
.quote figcaption { margin-top: auto; font-size: 14px; display: flex; flex-direction: column; }
.quote figcaption span { color: var(--mute); }

.cmp { padding: 8px; overflow: hidden; }
.cmp-row { display: grid; grid-template-columns: 150px minmax(0, 1fr) minmax(0, 1fr); gap: 12px; padding: 16px 18px; align-items: start; }
.cmp-row + .cmp-row { border-top: 1px solid var(--line); }
.cmp-head { font-weight: 700; color: var(--ink); }
.cmp-head .us { color: var(--pri); }
.cmp-row b { color: var(--ink); }
.cmp-row .old, .cmp-row .new { display: flex; gap: 8px; font-size: 15px; }
.cmp-row .old { color: var(--mute); }
.cmp-row .old .ic { color: #f43f5e; margin-top: .3em; }
.cmp-row .new { color: var(--ink); }
.cmp-row .new .ic { color: var(--ok); margin-top: .3em; }
.cmp-row:not(.cmp-head) .new { background: rgba(255, 255, 255, .45); margin: -8px -10px; padding: 8px 10px; border-radius: 10px; }

.team-vs { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 22px; align-items: stretch; }
.tv-col { padding: 28px 30px; border-radius: 24px; display: flex; flex-direction: column; position: relative; overflow: hidden; }
.tv-hd { margin-bottom: 12px; }
.tv-hd h3 { font-size: 22px; margin-top: 10px; }
.tv-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 700; padding: 4px 12px; border-radius: 999px;
  background: rgba(15, 23, 42, .06); color: var(--mute); }
.tv-tag .ic { width: 14px; height: 14px; }
.tv-col ul { list-style: none; margin: 0; padding: 0; flex: 1; }
.tv-col li { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 12px; align-items: center; min-height: 64px; padding: 10px 0;
  border-top: 1px solid var(--line); }
.tv-col li small { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--ink2); }
.tv-col.old li span { color: var(--mute); font-size: 15px; }
.tv-col.new { color: #fff; background: linear-gradient(140deg, #4f46e5 0%, #7c3aed 55%, #0891b2 115%);
  box-shadow: 0 30px 60px -24px rgba(79, 70, 229, .65), inset 0 1px 0 rgba(255, 255, 255, .25); }
.tv-col.new::before { content: ""; position: absolute; right: -18%; top: -30%; width: 70%; height: 80%; pointer-events: none;
  background: radial-gradient(closest-side, rgba(255, 255, 255, .26), transparent); }
.tv-col.new h3 { color: #fff; }
.tv-col.new .tv-tag { background: rgba(255, 255, 255, .18); color: #fff; }
.tv-col.new li { border-top-color: rgba(255, 255, 255, .18); }
.tv-col.new li small { color: rgba(255, 255, 255, .82); }
.tv-col.new li small .ic { width: 16px; height: 16px; }
.tv-col.new li span { color: #fff; font-weight: 600; font-size: 15.5px; }
.btn.light { background: #fff; color: var(--pri-d); margin-top: 18px; box-shadow: 0 12px 26px -12px rgba(15, 23, 42, .55); position: relative; }
.btn.light:hover { transform: translateY(-1px); }

.shots .tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.tab { padding: 9px 18px; border-radius: 999px; border: 1px solid var(--glass-bd); background: rgba(255, 255, 255, .5); font-size: 15px; }
.tab.on { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 20px -10px rgba(79, 70, 229, .8); }
.shot { margin: 0; padding: 10px; border-radius: 24px; }
.shot img { border-radius: 16px; width: 100%; }
.shot.is-mobile { max-width: 380px; margin: 0 auto; }

.sol-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.sol { display: flex; gap: 14px; padding: 18px; align-items: flex-start; transition: transform .25s, box-shadow .25s, background .25s; }
.sol:hover { transform: translateY(-3px); box-shadow: var(--shadow-hi); background: rgba(255, 255, 255, .74); }
.sol h3, .sol h2 { font-size: 16px; margin-bottom: 4px; }
.sol p { font-size: 13.5px; color: var(--mute); line-height: 1.6; }
.sol-grid.big { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 20px; }
.sol-grid.big .sol { padding: 24px; gap: 18px; }
.sol-grid.big h2 { font-size: 19px; margin-bottom: 8px; }
.sol-grid.big p { font-size: 14.5px; margin-bottom: 12px; }

.tiles { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.tile { width: calc((100% - 6 * 14px) / 7); display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px;
  padding: 20px 12px 18px; transition: transform .25s, box-shadow .25s, background .25s; }
.tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-hi); background: rgba(255, 255, 255, .76); }
.tile h3 { font-size: 15.5px; margin-top: 4px; }
.tile p { font-size: 12.5px; color: var(--mute); line-height: 1.55; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; counter-reset: s; }
.step { padding: 26px 22px; position: relative; }
.step-n { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; font-weight: 800; color: #fff; background: var(--grad);
  box-shadow: 0 8px 18px -8px rgba(79, 70, 229, .8); }
.step h3 { font-size: 18px; margin: 16px 0 6px; }
.step p { font-size: 14px; color: var(--mute); }
.step:not(:last-child)::after { content: ""; position: absolute; top: 46px; right: -14px; width: 10px; height: 10px; border-top: 2px solid #a5b4fc;
  border-right: 2px solid #a5b4fc; transform: rotate(45deg); }

.price-teaser { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: clamp(26px, 4vw, 44px); }
.price-teaser h2 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 800; margin: 10px 0 18px; }
.pt-act { display: flex; gap: 12px; flex-wrap: wrap; }

.faq { display: flex; flex-direction: column; gap: 12px; }
.faq details { padding: 0; border-radius: 16px; }
.faq summary { list-style: none; cursor: pointer; padding: 18px 54px 18px 22px; font-weight: 600; color: var(--ink); position: relative; font-size: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 22px; top: 50%; width: 10px; height: 10px; margin-top: -7px;
  border-right: 2px solid var(--pri); border-bottom: 2px solid var(--pri); transform: rotate(45deg); transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq-a { padding: 0 22px 20px; color: var(--mute); font-size: 15px; }

.news-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.news-card { overflow: hidden; display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s; }
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hi); }
.news-card img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.nc-body { padding: 20px 22px 22px; }
.nc-meta { font-size: 13px; color: var(--mute); display: flex; gap: 10px; align-items: center; }
.nc-meta i { font-style: normal; color: var(--pri); font-weight: 600; }
.news-card h3 { font-size: 17px; margin: 8px 0; line-height: 1.45; }
.news-card p { font-size: 14px; color: var(--mute); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pager { display: flex; justify-content: center; align-items: center; gap: 16px; margin-top: 32px; }
.pager a { padding: 8px 18px; border-radius: 999px; background: rgba(255, 255, 255, .6); border: 1px solid var(--glass-bd); }
.empty { padding: 48px; text-align: center; color: var(--mute); }

.cta-sec { padding-top: 0; }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: clamp(28px, 4vw, 48px);
  background: linear-gradient(120deg, rgba(99, 102, 241, .2), rgba(255, 255, 255, .55) 45%, rgba(6, 182, 212, .18)); }
.cta-band h2 { font-size: clamp(24px, 2.8vw, 34px); font-weight: 800; margin-bottom: 10px; }
.cta-band p { color: var(--ink2); }
.cta-btns { display: flex; gap: 12px; flex-wrap: wrap; flex: none; }

/* ---------- 内页 ---------- */
.page-hero { padding: clamp(36px, 5vw, 72px) 0 clamp(28px, 4vw, 48px); }
.page-hero .wrap { max-width: 900px; text-align: center; }
.page-hero .lead { margin: 0 auto; }
.page-hero .hero-cta { justify-content: center; margin-bottom: 0; }
.page-hero h1 { font-size: clamp(30px, 4.4vw, 52px); }
.page-hero .eyebrow .ic { width: 16px; height: 16px; }

.chips-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 28px; }
.chips-nav a { padding: 7px 14px; border-radius: 999px; font-size: 14px; background: rgba(255, 255, 255, .55); border: 1px solid var(--glass-bd); }
.chips-nav a:hover { color: var(--pri); background: rgba(255, 255, 255, .85); }
.feat-list { display: flex; flex-direction: column; gap: 18px; }
.feat-row { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 24px; padding: clamp(22px, 3vw, 34px); }
.fr-hd { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.fr-n { font-size: 34px; font-weight: 850; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; opacity: .55; }
.feat-row h2 { font-size: clamp(20px, 2.2vw, 26px); margin-bottom: 10px; }
.feat-row p { color: var(--ink2); margin-bottom: 16px; }

.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.box { padding: clamp(22px, 3vw, 34px); }
.box-t { display: flex; align-items: center; gap: 10px; font-size: 20px; margin-bottom: 18px; }
.box-t .ic { color: var(--bad); width: 22px; height: 22px; }
.box-t.ok .ic { color: var(--ok); }
.pain { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 10px; }
.pain li::marker { color: var(--bad); }
.scene-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 20px; }
.scene { padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.scene h3 { font-size: 18px; }
.scene-desc { color: var(--mute); font-size: 14px; }
.bubble { display: flex; gap: 10px; align-items: flex-start; }
.bubble p { background: rgba(255, 255, 255, .8); border: 1px solid rgba(255, 255, 255, .9); padding: 10px 14px; border-radius: 4px 16px 16px 16px; font-size: 14px; color: var(--ink); }
.scene-goal { font-size: 13.5px; color: var(--mute); margin-top: auto; }
.scene-goal b { color: var(--ink2); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud a { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 999px; background: rgba(255, 255, 255, .55);
  border: 1px solid var(--glass-bd); font-size: 14px; transition: background .2s, color .2s; }
.tag-cloud a:hover { background: rgba(255, 255, 255, .9); color: var(--pri); }
.tag-cloud .ic { color: var(--pri); }

.price-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; margin-bottom: 20px; }
.price { padding: 30px 26px; display: flex; flex-direction: column; gap: 14px; position: relative; }
.price h2 { font-size: 21px; }
.price-n b { font-size: 38px; font-weight: 850; color: var(--ink); }
.price-n b.ask { font-size: 26px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.price-n small { color: var(--mute); margin-left: 4px; }
.price .ticks { font-size: 14.5px; margin-bottom: 8px; }
.price .btn { margin-top: auto; }
.price-note { font-size: 14px; color: var(--mute); }
.price.hot { background: rgba(255, 255, 255, .74); box-shadow: var(--shadow-hi); border-color: rgba(165, 180, 252, .9); }
.price-flag { position: absolute; top: 18px; right: 18px; font-size: 12px; font-weight: 700; color: #fff; background: var(--grad); padding: 3px 10px; border-radius: 999px; }

.about { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; }
.about.has-img { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: center; }
.about-img { margin: 0; padding: 10px; }
.about-img img { border-radius: 14px; width: 100%; }

.contact { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 24px; align-items: start; }
.contact-info { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.ci { display: flex; gap: 12px; align-items: center; padding: 16px; border-radius: 16px; min-width: 0; }
.ci > div { min-width: 0; display: flex; flex-direction: column; }
.ci small { font-size: 12.5px; color: var(--mute); }
.ci b, .ci a { color: var(--ink); font-weight: 700; word-break: break-all; }
.ci a:hover { color: var(--pri); }
.ci > div { flex: 1; }
.ci-copy { flex: none; font-size: 12.5px; font-weight: 600; padding: 4px 10px; border-radius: 999px; border: 1px solid rgba(79, 70, 229, .25);
  background: rgba(79, 70, 229, .06); color: var(--pri); }
.ci-copy:hover { background: rgba(79, 70, 229, .14); }
.ci-qr { grid-column: 1 / -1; display: flex; justify-content: center; gap: 28px; padding: 20px; }
.ci-qr figure, .ft-qr figure { margin: 0; text-align: center; font-size: 13px; color: var(--mute); }
.ci-qr img { width: 140px; height: 140px; border-radius: 10px; background: #fff; padding: 6px; }
.form-box h2 { font-size: 22px; margin-bottom: 6px; }
.form-box .mute { margin-bottom: 18px; font-size: 14.5px; }

.trial-sec { padding-top: clamp(28px, 4vw, 56px); }
.trial { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.trial-txt h1 { font-size: clamp(30px, 4vw, 48px); font-weight: 850; margin: 14px 0 16px; }
.trial-steps { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-direction: column; gap: 14px; }
.trial-steps li { display: flex; gap: 14px; align-items: center; }
.trial-steps li > span { width: 36px; height: 36px; flex: none; border-radius: 11px; display: grid; place-items: center; color: #fff; font-weight: 800; background: var(--grad); }
.trial-steps b { display: block; color: var(--ink); }
.trial-steps small { color: var(--mute); font-size: 14px; }

.art-hd { text-align: center; margin: 12px 0 28px; }
.art-hd h1 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; margin: 12px 0; }
.art-meta { display: flex; gap: 14px; justify-content: center; color: var(--mute); font-size: 14px; }
.art-cover { margin: 0 0 20px; padding: 8px; overflow: hidden; }
.art-cover img { border-radius: 14px; width: 100%; }
.prose { color: var(--ink2); font-size: 16.5px; line-height: 1.9; }
.prose > * + * { margin-top: 1em; }
.prose h2 { font-size: 23px; margin-top: 1.6em; }
.prose h3 { font-size: 19px; margin-top: 1.4em; }
.prose h4 { font-size: 17px; margin-top: 1.2em; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li + li { margin-top: .35em; }
.prose a { color: var(--pri); text-decoration: underline; text-underline-offset: 3px; }
.prose blockquote { margin-left: 0; padding: 12px 18px; border-left: 4px solid #a5b4fc; background: rgba(255, 255, 255, .5); border-radius: 0 12px 12px 0; color: var(--ink2); }
.prose img { border-radius: 12px; margin: 1.2em auto; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; }
.prose strong { color: var(--ink); }
.art-cta { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 22px 26px; margin-top: 24px;
  background: linear-gradient(120deg, rgba(99, 102, 241, .16), rgba(255, 255, 255, .6)); }
.art-cta b { color: var(--ink); font-size: 17px; }
.art-cta p { color: var(--mute); font-size: 14px; }

.nf { padding: 40px 0; }
.nf-code { font-size: clamp(90px, 16vw, 160px); font-weight: 900; line-height: 1; display: block; }
.nf h1 { font-size: 30px; margin: 10px 0; }

/* ---------- 表单 ---------- */
.fgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.fld { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.fld.full { grid-column: 1 / -1; }
.fld > span { font-size: 13.5px; font-weight: 600; color: var(--ink2); }
.fld b { color: var(--bad); }
.fld input, .fld select, .fld textarea { width: 100%; font: inherit; font-size: 15px; color: var(--ink); padding: 11px 14px; border-radius: var(--r-sm);
  border: 1px solid rgba(15, 23, 42, .12); background: rgba(255, 255, 255, .78); transition: border-color .2s, box-shadow .2s, background .2s;
  -webkit-appearance: none; appearance: none; }
.fld select { background-image: linear-gradient(45deg, transparent 50%, #64748b 50%), linear-gradient(135deg, #64748b 50%, transparent 50%);
  background-position: calc(100% - 18px) 52%, calc(100% - 13px) 52%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 34px; }
.fld textarea { resize: vertical; min-height: 64px; line-height: 1.6; }
.fld input:focus, .fld select:focus, .fld textarea:focus { outline: none; border-color: var(--pri); background: #fff; box-shadow: 0 0 0 4px rgba(79, 70, 229, .14); }
.fld.err input { border-color: var(--bad); box-shadow: 0 0 0 4px rgba(225, 29, 72, .1); }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
.f-note { font-size: 12.5px; color: var(--mute); text-align: center; margin-top: 10px; }
.f-msg { font-size: 14px; color: var(--bad); text-align: center; min-height: 0; margin-top: 6px; }
.f-msg:empty { display: none; }
.f-ok { text-align: center; padding: 18px 0 6px; }
.ok-ic { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 14px; color: #fff;
  background: linear-gradient(135deg, #10b981, #06b6d4); box-shadow: 0 12px 26px -10px rgba(16, 185, 129, .8); animation: pop .4s ease; }
.ok-ic .ic { width: 32px; height: 32px; stroke-width: 2.4; }
@keyframes pop { from { transform: scale(.6); opacity: 0; } }
.f-ok h3 { font-size: 22px; margin-bottom: 8px; }
.f-ok p { color: var(--mute); }
.f-ok .ok-more { margin-top: 14px; color: var(--ink2); }
.ok-qr { width: 150px; height: 150px; margin: 12px auto 0; border-radius: 12px; background: #fff; padding: 6px; }

/* ---------- 弹窗 ---------- */
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; }
.modal-mask { position: absolute; inset: 0; background: rgba(15, 23, 42, .38); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); animation: fade .25s ease; }
.modal-box { position: relative; width: 100%; max-width: 540px; max-height: calc(100vh - 40px); overflow: auto; padding: 30px 30px 24px;
  border-radius: 26px; background: rgba(255, 255, 255, .8); border: 1px solid var(--glass-bd); box-shadow: 0 30px 80px -20px rgba(15, 23, 42, .45);
  -webkit-backdrop-filter: blur(26px) saturate(180%); backdrop-filter: blur(26px) saturate(180%); animation: rise .3s cubic-bezier(.2, .9, .3, 1.1); }
.modal-box h3 { font-size: 24px; font-weight: 800; }
.modal-sub { color: var(--mute); margin: 6px 0 20px; font-size: 14.5px; }
.modal-x { position: absolute; top: 14px; right: 14px; width: 38px; height: 38px; border-radius: 50%; border: 0; background: rgba(15, 23, 42, .06); display: grid; place-items: center; }
.modal-x:hover { background: rgba(15, 23, 42, .1); }
.modal-grip { display: none; }
@keyframes fade { from { opacity: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(16px) scale(.98); } }
body.modal-open { overflow: hidden; }

/* ---------- 悬浮咨询 ---------- */
.side { position: fixed; right: 18px; top: 50%; transform: translateY(-50%); z-index: 40; display: flex; flex-direction: column; gap: 10px; }
.side-it { position: relative; width: 50px; height: 50px; border-radius: 16px; display: grid; place-items: center; color: var(--pri);
  background: rgba(255, 255, 255, .7); border: 1px solid var(--glass-bd); box-shadow: var(--shadow); cursor: pointer;
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); transition: transform .2s, background .2s; }
.side-it:hover, .side-it:focus-within { transform: translateX(-2px); background: rgba(255, 255, 255, .95); }
.side-it .ic { width: 22px; height: 22px; }
.side-it.pri { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 10px 24px -10px rgba(79, 70, 229, .8); }
.side-tip, .side-pop { position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%) translateX(6px); opacity: 0; visibility: hidden;
  transition: opacity .2s, transform .2s, visibility .2s; white-space: nowrap; pointer-events: none; }
.side-tip { background: var(--ink); color: #fff; padding: 6px 12px; border-radius: 8px; font-size: 13px; }
.side-pop { display: flex; flex-direction: column; align-items: center; gap: 4px; min-width: 168px; padding: 14px 16px; border-radius: 16px;
  color: var(--ink); background: rgba(255, 255, 255, .97); border: 1px solid var(--glass-bd); box-shadow: var(--shadow-hi); cursor: default; }
.side-pop::after { content: ""; position: absolute; top: 0; bottom: 0; right: -14px; width: 14px; } /* 鼠标从图标移到卡片的过渡区，卡片不消失 */
.side-pop small { font-size: 12.5px; color: var(--mute); }
.side-pop strong { font-size: 15.5px; font-weight: 700; color: var(--ink); user-select: all; }
.side-pop img { width: 128px; height: 128px; border-radius: 8px; margin-bottom: 4px; background: #fff; }
.sp-act { display: flex; gap: 6px; margin-top: 6px; }
.sp-act:empty { display: none; }
.sp-act button, .sp-act a { font-size: 12.5px; font-weight: 600; padding: 4px 12px; border-radius: 999px; border: 1px solid rgba(79, 70, 229, .25);
  background: rgba(79, 70, 229, .06); color: var(--pri); cursor: pointer; transition: background .2s; }
.sp-act a { background: var(--grad); color: #fff; border-color: transparent; }
.sp-act button:hover { background: rgba(79, 70, 229, .14); }
.side-txt { font-size: 14px; font-weight: 800; letter-spacing: -.02em; }
.side-it:hover .side-tip, .side-it:hover .side-pop, .side-it:focus-within .side-pop, .side-it:focus .side-pop {
  opacity: 1; visibility: visible; transform: translateY(-50%); pointer-events: auto; }
@media (max-height: 640px) { .side { gap: 6px; } .side-it { width: 42px; height: 42px; border-radius: 13px; } }
#toTop { opacity: 0; pointer-events: none; transition: opacity .25s, transform .2s; }
#toTop.show { opacity: 1; pointer-events: auto; }

.mbar { display: none; }

/* ---------- 页脚 ---------- */
.ft { margin-top: 20px; padding: 56px 0 28px; background: rgba(255, 255, 255, .45); border-top: 1px solid rgba(255, 255, 255, .8);
  -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); }
.ft-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, .7fr)) auto; gap: 32px; }
.ft-brand p { color: var(--mute); margin: 12px 0 16px; font-size: 14.5px; }
.ft-contact { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.ft-contact li { display: flex; align-items: center; gap: 8px; color: var(--ink2); word-break: break-all; }
.ft-contact .ic { color: var(--pri); }
.ft-col { display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.ft-col h4 { font-size: 15px; margin-bottom: 4px; }
.ft-col a { color: var(--mute); }
.ft-col a:hover { color: var(--pri); }
.ft-qr { display: flex; gap: 16px; }
.ft-qr img { width: 104px; height: 104px; border-radius: 10px; background: #fff; padding: 5px; margin-bottom: 6px; }
.ft-links { margin-top: 30px; font-size: 13px; color: var(--mute); display: flex; flex-wrap: wrap; gap: 6px 16px; }
.ft-links a:hover { color: var(--pri); }
.ft-bottom { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 13px; color: var(--mute); }
.ft-bottom a:hover { color: var(--pri); }

/* ---------- 滚动渐显 ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
.m-only { display: none; }
@media (max-width: 1180px) {
  .feat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hd-tel span { display: none; }
  .fc1 { left: -8px; } .fc2 { right: -6px; }
}
@media (max-width: 1024px) {
  .nav a { padding: 8px 10px; font-size: 14.5px; }
  .hd-in { gap: 16px; }
  .hero-in { grid-template-columns: minmax(0, 1fr); }
  .hero-txt { text-align: center; }
  .hero-txt .lead { margin: 0 auto; }
  .hero-cta, .hero .ticks { justify-content: center; }
  .hero-vis { max-width: 560px; margin: 8px auto 0; width: 100%; }
  .feat-grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tile { width: calc((100% - 4 * 14px) / 5); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step:nth-child(2)::after { display: none; }
  .sample-grid, .case-grid, .quote-grid, .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .price-grid { grid-template-columns: minmax(0, 1fr); max-width: 560px; margin-left: auto; margin-right: auto; }
  .ft-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ft-brand { grid-column: 1 / -1; }
  .contact, .trial { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 860px) {
  :root { --hd: 60px; --blur: blur(12px) saturate(160%); }
  .wrap { padding: 0 16px; }
  .nav { position: fixed; top: calc(var(--hd) + 8px); left: 12px; right: 12px; flex-direction: column; align-items: stretch; gap: 2px; padding: 10px;
    border-radius: 20px; background: rgba(255, 255, 255, .9); border: 1px solid var(--glass-bd); box-shadow: var(--shadow-hi);
    -webkit-backdrop-filter: blur(24px) saturate(180%); backdrop-filter: blur(24px) saturate(180%);
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s, transform .2s, visibility .2s; }
  .nav.open { opacity: 1; visibility: visible; transform: none; }
  .nav a { padding: 12px 14px; font-size: 16px; border-radius: 12px; }
  .nav a.on { box-shadow: none; background: rgba(79, 70, 229, .08); }
  .nav .m-only { display: block; }
  .menu-btn { display: grid; }
  .pc-only { display: none !important; }
  .hd-in { justify-content: space-between; }
  .hd-tel { margin: 0; width: 42px; height: 42px; justify-content: center; border-radius: 12px; background: rgba(255, 255, 255, .6); border: 1px solid var(--glass-bd); }
  .logo { font-size: 17px; }
  .side { display: none; }
  .mbar { display: flex; position: fixed; left: 14px; right: 14px; bottom: calc(14px + env(safe-area-inset-bottom)); z-index: 60; gap: 10px;
    transition: transform .3s, opacity .3s; }
  .mbar.hide { transform: translateY(130%); opacity: 0; }
  .mbar-btn { flex: 1; height: 54px; font-size: 17px; letter-spacing: .04em; border: 1px solid rgba(255, 255, 255, .35);
    box-shadow: 0 14px 30px -10px rgba(79, 70, 229, .75), inset 0 1px 0 rgba(255, 255, 255, .3); animation: glow 2.6s ease-in-out infinite; }
  .mbar-btn .ic { width: 20px; height: 20px; }
  @keyframes glow { 50% { box-shadow: 0 14px 34px -8px rgba(124, 58, 237, .85), inset 0 1px 0 rgba(255, 255, 255, .3); } }
  .mbar-tel { width: 54px; height: 54px; flex: none; border-radius: 50%; display: grid; place-items: center; color: var(--pri);
    background: rgba(255, 255, 255, .78); border: 1px solid var(--glass-bd); box-shadow: var(--shadow-hi);
    -webkit-backdrop-filter: var(--blur); backdrop-filter: var(--blur); }
  .mbar-tel .ic { width: 22px; height: 22px; }
  body { padding-bottom: calc(84px + env(safe-area-inset-bottom)); }
  .ft { padding-bottom: 20px; }

  .feat-grid, .feat-grid.three { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .feat { padding: 18px 16px; }
  .feat h3 { font-size: 16px; margin-top: 12px; }
  .feat p { font-size: 13.5px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 0; padding: 18px 6px; }
  .stat:nth-child(3) { border-left: 0; }
  .cmp-row { grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 16px 12px; }
  .cmp-head { display: none; }
  .cmp-row b { font-size: 16px; }
  .cmp-row .old::before { content: "传统："; flex: none; }
  .cmp-row:not(.cmp-head) .new { margin: 0; }
  .two-col, .about.has-img, .team-vs { grid-template-columns: minmax(0, 1fr); }
  .tv-col { padding: 22px 18px; }
  .tv-col li { grid-template-columns: 84px minmax(0, 1fr); min-height: 0; }
  .feat-row { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .fr-hd { flex-direction: row; align-items: center; justify-content: space-between; }
  .price-teaser, .cta-band, .art-cta { flex-direction: column; align-items: stretch; text-align: center; }
  .price-teaser .ticks { text-align: left; }
  .pt-act, .cta-btns { justify-content: center; }
  .scene-grid, .sol-grid.big { grid-template-columns: minmax(0, 1fr); }
  .tile { width: calc((100% - 2 * 14px) / 3); }
  .contact-info { grid-template-columns: minmax(0, 1fr); }

  .modal { padding: 0; place-items: end stretch; }
  .modal-box { max-width: none; max-height: 92vh; border-radius: 26px 26px 0 0; padding: 26px 18px calc(20px + env(safe-area-inset-bottom));
    animation: sheet .32s cubic-bezier(.2, .9, .3, 1); }
  .modal-grip { display: block; width: 42px; height: 5px; border-radius: 5px; background: rgba(15, 23, 42, .18); margin: -12px auto 14px; }
  @keyframes sheet { from { transform: translateY(100%); } }
  .fld input, .fld select, .fld textarea { font-size: 16px; } /* 防止 iOS 聚焦时自动放大 */
}
@media (max-width: 560px) {
  .hero h1, .page-hero h1 { font-size: clamp(30px, 8.6vw, 38px); }
  .hero-cta .btn { flex: 1; padding: 0 16px; }
  .hero .ticks { font-size: 14px; gap: 8px 14px; }
  .float-card { display: none; }
  .callcard { padding: 16px; }
  .msg { font-size: 13.5px; max-width: 92%; }
  .feat-grid.four, .steps, .sample-grid, .case-grid, .quote-grid, .news-grid { grid-template-columns: minmax(0, 1fr); }
  .step::after { display: none; }
  .sol-grid { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .tiles { gap: 10px; }
  .tile { width: calc((100% - 10px) / 2); padding: 16px 10px 14px; }
  .tile .ic-box { width: 42px; height: 42px; }
  .fgrid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .modal .fgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .modal .fld.full { grid-column: 1 / -1; }
  .ft-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .ft-qr { grid-column: 1 / -1; justify-content: center; }
  .sec-hd p { font-size: 15.5px; }
}
@media (max-width: 380px) {
  .feat-grid, .feat-grid.three { grid-template-columns: minmax(0, 1fr); }
  .modal .fgrid { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal, .js .msg { opacity: 1; transform: none; }
}
@media print {
  .hd, .side, .mbar, .modal, .cta-sec, .bg { display: none !important; }
}