/* ============================================================
   声韵输入法 · 官网样式
   视觉语言源自《商业计划书》：深青 × 科技蓝 × 云青
   ============================================================ */

:root {
  --teal-950: #062b33;
  --teal-900: #0a3d47;
  --teal-800: #0e4a56;
  --teal-700: #135a67;
  --teal-600: #1a6d7c;
  --cyan-500: #2fb9cf;
  --cyan-400: #4ecde0;
  --cyan-300: #8fe3ee;
  --cyan-100: #dff5f8;
  --bg: #f4f9fa;
  --card: #ffffff;
  --ink: #14343c;
  --ink-2: #4a6a72;
  --ink-3: #7d99a0;
  --line: #dde9ec;
  --gold: #f5c518;
  --red: #e2574c;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(10, 61, 71, .10);
  --shadow-lg: 0 24px 60px rgba(6, 43, 51, .18);
  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.wrap { width: min(1180px, 92%); margin: 0 auto; }
section { padding: 88px 0; }

/* ---------------- 通用标题 ---------------- */
.sec-head { text-align: center; margin-bottom: 52px; }
.sec-head .kicker {
  display: inline-block; font-size: 13px; letter-spacing: .35em;
  color: var(--cyan-500); font-weight: 700; margin-bottom: 10px;
}
.sec-head h2 {
  font-size: clamp(26px, 3.4vw, 40px); font-weight: 800; color: var(--teal-900);
  letter-spacing: .02em;
}
.sec-head h2 em { font-style: normal; color: var(--cyan-500); }
.sec-head p.sub { color: var(--ink-2); margin-top: 12px; font-size: 16px; }

/* ---------------- 顶部导航 ---------------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(6, 43, 51, .92); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 19px; }
.brand .logo {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, var(--cyan-400), var(--teal-600));
  display: grid; place-items: center; color: #fff; font-size: 15px; font-weight: 800;
}
.brand small { font-weight: 400; font-size: 11px; color: var(--cyan-300); display: block; letter-spacing: .08em; }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a { color: #cfe7ea; font-size: 15px; transition: color .2s; }
.nav-links a:hover { color: #fff; }
.nav-cta {
  background: linear-gradient(135deg, var(--cyan-400), var(--cyan-500));
  color: #05323b !important; padding: 8px 20px; border-radius: 999px; font-weight: 700;
}
.nav-cta:hover { filter: brightness(1.08); color: #05323b !important; }

/* ---------------- Hero ---------------- */
.hero {
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(78, 205, 224, .22), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(26, 109, 124, .55), transparent 60%),
    linear-gradient(160deg, var(--teal-950) 0%, var(--teal-900) 55%, var(--teal-800) 100%);
  color: #fff; overflow: hidden; position: relative;
}
.hero-inner {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px;
  align-items: center; padding: 84px 0 96px;
}
.hero .tag {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(143, 227, 238, .45); color: var(--cyan-300);
  font-size: 13px; letter-spacing: .14em; padding: 6px 14px; border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 { font-size: clamp(34px, 4.6vw, 56px); font-weight: 900; letter-spacing: .04em; line-height: 1.25; }
.hero h1 span {
  background: linear-gradient(90deg, var(--cyan-300), var(--cyan-500));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .slogan { margin-top: 14px; font-size: clamp(16px, 1.8vw, 20px); color: #bfe4e9; letter-spacing: .12em; }
.hero p.desc { margin-top: 18px; color: #9fc6cc; max-width: 560px; font-size: 15.5px; }
.hero-actions { display: flex; gap: 16px; margin-top: 34px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  padding: 14px 34px; border-radius: 999px; font-size: 16px; font-weight: 700;
  border: none; transition: transform .15s, box-shadow .2s, filter .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--cyan-300), var(--cyan-500));
  color: #05323b; box-shadow: 0 12px 30px rgba(47, 185, 207, .35);
}
.btn-ghost { border: 1.5px solid rgba(143, 227, 238, .6); color: var(--cyan-300); background: transparent; }
.btn-ghost:hover { background: rgba(143, 227, 238, .1); }
.hero-stats { display: flex; gap: 0; margin-top: 46px; border-top: 1px solid rgba(255,255,255,.12); padding-top: 26px; flex-wrap: wrap; }
.hero-stats .st { padding-right: 36px; margin-right: 36px; border-right: 1px solid rgba(255,255,255,.12); }
.hero-stats .st:last-child { border-right: none; margin-right: 0; padding-right: 0; }
.hero-stats b { display: block; font-size: 26px; color: var(--cyan-300); font-weight: 800; }
.hero-stats i { font-style: normal; font-size: 13px; color: #8fb6bc; }

.hero-visual { position: relative; display: flex; justify-content: center; }
.phone {
  width: 264px; border-radius: 34px; padding: 10px;
  background: linear-gradient(160deg, #0b4550, #062b33);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(143, 227, 238, .25);
}
.phone img { border-radius: 26px; }
.badge-float {
  position: absolute; background: rgba(255,255,255,.97); color: var(--teal-900);
  border-radius: 12px; padding: 10px 16px; font-size: 13px; font-weight: 700;
  box-shadow: var(--shadow); line-height: 1.45;
}
.badge-float small { display: block; font-weight: 500; color: var(--ink-2); font-size: 11.5px; }
.badge-float.b1 { top: 8%; left: -2%; }
.badge-float.b2 { bottom: 12%; right: -2%; }
.badge-float .dot { color: var(--cyan-500); }

/* ---------------- 痛点 ---------------- */
.pains { background: #fff; }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pain {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; position: relative; overflow: hidden;
}
.pain::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(var(--cyan-400), var(--teal-600));
}
.pain b { font-size: 38px; color: var(--teal-800); font-weight: 900; }
.pain b i { font-style: normal; font-size: 20px; }
.pain h4 { margin: 8px 0 6px; font-size: 17px; }
.pain p { color: var(--ink-2); font-size: 14px; }
.vs-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 26px; }
.vs-card {
  border-radius: var(--radius); padding: 24px 28px; color: #fff;
  display: flex; gap: 18px; align-items: flex-start;
}
.vs-card.v9 { background: linear-gradient(135deg, #6b8b93, #4a6a72); }
.vs-card.v26 { background: linear-gradient(135deg, var(--teal-800), var(--teal-950)); }
.vs-card .num { font-size: 40px; font-weight: 900; color: var(--cyan-300); line-height: 1; }
.vs-card h5 { font-size: 17px; margin-bottom: 4px; }
.vs-card p { font-size: 13.5px; color: rgba(255,255,255,.85); }

/* ---------------- 在线体验（键盘演示） ---------------- */
.demo-sec { background: linear-gradient(180deg, var(--teal-950), var(--teal-900)); color: #fff; }
.demo-sec .sec-head h2 { color: #fff; }
.demo-sec .sec-head p.sub { color: #9fc6cc; }
.kb-demo {
  background: rgba(255,255,255,.05); border: 1px solid rgba(143,227,238,.22);
  border-radius: 20px; padding: 30px; box-shadow: var(--shadow-lg);
}
.steps { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.step {
  display: flex; align-items: center; gap: 8px; font-size: 14px;
  background: rgba(255,255,255,.06); border-radius: 999px; padding: 7px 16px; color: #9fc6cc;
  border: 1px solid transparent;
}
.step::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #5d868d; }
.step.on { color: var(--cyan-300); border-color: rgba(78,205,224,.5); }
.step.on::before { background: var(--cyan-400); box-shadow: 0 0 10px var(--cyan-400); }
.step.done { color: #8fe3ee; }
.step.done::before { background: #2e8f7f; }
.ym-hint { font-size: 13px; color: #7fa9b0; margin-left: auto; align-self: center; }
.ym-hint.hot { color: var(--gold); }

.editbar {
  background: #062b33; border: 1px solid rgba(143,227,238,.25); border-radius: 12px;
  min-height: 58px; display: flex; align-items: center; padding: 10px 18px; gap: 8px;
  font-size: 22px; letter-spacing: .06em; margin-bottom: 18px; flex-wrap: wrap;
}
.editbar .ph { color: #587d84; font-size: 15px; letter-spacing: .04em; }
.editbar .syl { color: var(--cyan-300); font-weight: 700; }
.editbar .sep { color: #4a7077; margin: 0 4px; }

.cands-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.cands {
  display: flex; gap: 10px; flex-wrap: wrap; flex: 1; min-height: 54px; align-items: center;
  background: rgba(255,255,255,.04); border: 1px dashed rgba(143,227,238,.3);
  border-radius: 12px; padding: 8px 14px;
}
.cand {
  width: 46px; height: 46px; border-radius: 10px; border: 1px solid rgba(143,227,238,.35);
  background: rgba(255,255,255,.08); color: #fff; font-size: 21px; transition: all .15s;
}
.cand:hover { background: var(--cyan-500); transform: translateY(-2px); }
.cand.picked { background: var(--cyan-500); border-color: var(--cyan-300); }
.cands .empty { color: #587d84; font-size: 13.5px; }
.tone-row { display: flex; gap: 8px; }
.tone-btn {
  padding: 9px 13px; border-radius: 9px; font-size: 13px;
  border: 1px solid rgba(143,227,238,.35); background: rgba(255,255,255,.06); color: #bfe4e9;
}
.tone-btn:hover { border-color: var(--cyan-400); }
.tone-btn.on { background: var(--gold); color: #4a3900; border-color: var(--gold); font-weight: 700; }

.keygrid { display: grid; grid-template-columns: auto 1fr; gap: 18px; }
.kb-col-label {
  writing-mode: vertical-lr; text-align: center; font-size: 13px; letter-spacing: .3em;
  color: var(--cyan-300); border: 1px solid rgba(143,227,238,.35); border-radius: 10px;
  padding: 12px 6px; background: rgba(143,227,238,.06);
}
.keys { display: flex; flex-wrap: wrap; gap: 8px; align-content: flex-start; }
.key {
  min-width: 58px; height: 52px; padding: 0 10px; border-radius: 10px;
  border: 1px solid rgba(143,227,238,.3); background: rgba(255,255,255,.07);
  color: #eaf7f9; font-size: 17px; font-weight: 700; transition: all .12s;
}
.key:hover:not(.dim) { background: rgba(78,205,224,.25); border-color: var(--cyan-400); transform: translateY(-1px); }
.key.dim { opacity: .18; cursor: not-allowed; }
.key.on { background: linear-gradient(135deg, var(--cyan-400), var(--cyan-500)); color: #05323b; border-color: transparent; }
.demo-meta {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(143,227,238,.18);
}
.demo-meta .count { font-size: 14px; color: #9fc6cc; }
.demo-meta .count b { color: var(--cyan-300); font-size: 18px; }
.demo-meta .count b.win { color: var(--gold); }
.examples { display: flex; gap: 10px; flex-wrap: wrap; }
.examples button {
  background: rgba(255,255,255,.07); border: 1px solid rgba(143,227,238,.3); color: #bfe4e9;
  padding: 7px 16px; border-radius: 999px; font-size: 13.5px;
}
.examples button:hover { border-color: var(--cyan-400); color: #fff; }
.stroke-btn { display: none; }

/* ---------------- 技术原理 ---------------- */
.tech-sec { background: #fff; }
.tech-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; }
.tech-img {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  border: 1px solid var(--line); background: #fff;
}
.tech-img + .tech-img { margin-top: 20px; }
.tech-points { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 26px; }
.tpoint {
  background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 18px;
}
.tpoint h4 { font-size: 16px; color: var(--teal-800); margin-bottom: 4px; }
.tpoint h4::before { content: "◆ "; color: var(--cyan-500); font-size: 12px; }
.tpoint p { font-size: 13.5px; color: var(--ink-2); }
.patent-card {
  margin-top: 20px; display: flex; gap: 20px; align-items: center;
  background: linear-gradient(135deg, var(--teal-900), var(--teal-700));
  border-radius: var(--radius); padding: 22px 24px; color: #fff;
}
.patent-card img { width: 108px; border-radius: 8px; box-shadow: var(--shadow); flex: none; }
.patent-card h4 { font-size: 17px; margin-bottom: 4px; }
.patent-card p { font-size: 13.5px; color: #bfe4e9; }
.patent-card b { color: var(--gold); letter-spacing: .05em; }

/* ---------------- 演示视频 ---------------- */
.video-sec { background: var(--bg); }
.video-wrap {
  max-width: 860px; margin: 0 auto; border-radius: 18px; overflow: hidden;
  box-shadow: var(--shadow-lg); border: 1px solid var(--line); background: #000;
}
.video-wrap video { width: 100%; display: block; }
.video-cap { text-align: center; color: var(--ink-2); font-size: 14px; margin-top: 14px; }

/* ---------------- 优势 ---------------- */
.why-sec { background: #fff; }
.tri-wrap {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: center; margin-bottom: 54px;
}
.tri-text {
  background: linear-gradient(135deg, var(--teal-900), var(--teal-700)); color: #fff;
  border-radius: var(--radius); padding: 34px; font-size: 15.5px; line-height: 2;
}
.tri-text b { color: var(--gold); }
.tri-visual { position: relative; min-height: 340px; }
.tri {
  --s: 300px; position: relative; width: var(--s); height: calc(var(--s) * .87);
  margin: 0 auto; clip-path: polygon(50% 0, 0 100%, 100% 100%);
  background: linear-gradient(160deg, var(--cyan-400), var(--teal-600));
  display: grid; place-items: center;
}
.tri .core {
  width: 46%; aspect-ratio: 1; border-radius: 50%; background: #fff;
  display: grid; place-items: center; text-align: center;
  color: var(--teal-900); font-weight: 900; font-size: 19px; line-height: 1.35;
  box-shadow: var(--shadow-lg); transform: translateY(8%);
}
.tri-node {
  position: absolute; width: 96px; height: 96px; border-radius: 50%;
  background: var(--teal-800); color: #fff; display: grid; place-items: center;
  font-weight: 800; font-size: 15px; text-align: center; line-height: 1.3;
  box-shadow: var(--shadow); border: 3px solid #fff;
}
.tri-node.n1 { top: -14px; left: 50%; transform: translateX(-50%); }
.tri-node.n2 { bottom: -8px; left: -22px; }
.tri-node.n3 { bottom: -8px; right: -22px; }
.tri-node span { font-size: 11px; font-weight: 500; color: var(--cyan-300); display: block; }
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pillar {
  text-align: center; padding: 34px 18px 28px; border-radius: var(--radius);
  background: var(--bg); border: 1px solid var(--line); position: relative;
}
.pillar .ic {
  width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 18px;
  background: linear-gradient(135deg, var(--cyan-400), var(--teal-600));
  display: grid; place-items: center; font-size: 28px; color: #fff;
  box-shadow: 0 10px 22px rgba(47,185,207,.35);
}
.pillar h4 { font-size: 18px; color: var(--teal-900); margin-bottom: 8px; }
.pillar p { font-size: 13.5px; color: var(--ink-2); }
.cmp-img {
  margin-top: 46px; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow);
}

/* ---------------- 效率数据 ---------------- */
.data-sec {
  background: linear-gradient(160deg, var(--teal-950), var(--teal-800)); color: #fff;
}
.data-sec .sec-head h2 { color: #fff; }
.big-data { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.bd {
  background: rgba(255,255,255,.06); border: 1px solid rgba(143,227,238,.25);
  border-radius: var(--radius); padding: 30px 22px; text-align: center;
}
.bd b { display: block; font-size: 44px; font-weight: 900; color: var(--cyan-300); line-height: 1.2; }
.bd b i { font-style: normal; font-size: 24px; }
.bd span { font-size: 14px; color: #9fc6cc; }
.bd.gold b { color: var(--gold); }

/* ---------------- 场景 ---------------- */
.scene-sec { background: #fff; }
.scene-img { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.scene-tags { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 30px; }
.scene-tags span {
  background: var(--cyan-100); color: var(--teal-800); font-size: 14px; font-weight: 600;
  padding: 9px 20px; border-radius: 999px; border: 1px solid var(--cyan-300);
}

/* ---------------- 用户反馈 ---------------- */
.fb-sec { background: var(--bg); }
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 40px; }
.quote {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; position: relative; box-shadow: 0 4px 16px rgba(10,61,71,.05);
}
.quote::before {
  content: "“"; position: absolute; top: 6px; left: 18px; font-size: 56px;
  color: var(--cyan-300); font-family: Georgia, serif; line-height: 1;
}
.quote p { font-size: 14.5px; color: var(--ink); margin-top: 22px; }
.quote .who { margin-top: 14px; font-size: 13px; color: var(--cyan-500); font-weight: 700; }
.quote .who::before { content: "— "; }
.fb-collage { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.fb-stat { text-align: center; margin-top: 36px; }
.fb-stat b { font-size: 52px; font-weight: 900; color: var(--teal-800); }
.fb-stat b i { font-style: normal; color: var(--gold); }
.fb-stat p { color: var(--ink-2); }

/* ---------------- 下载 CTA ---------------- */
.dl-band {
  background: linear-gradient(120deg, var(--teal-900) 0%, var(--teal-700) 100%);
  color: #fff; text-align: center;
}
.dl-band h2 { font-size: clamp(26px, 3.4vw, 40px); font-weight: 900; }
.dl-band p { color: #bfe4e9; margin: 12px 0 30px; }

/* ---------------- 合作 / 关于 ---------------- */
.about-sec { background: #fff; }
.about-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 44px; align-items: start; }
.about-list li { list-style: none; padding: 14px 0; border-bottom: 1px dashed var(--line); color: var(--ink-2); font-size: 15px; display: flex; gap: 12px; }
.about-list li b { color: var(--teal-800); flex: none; }
.about-card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
}
.about-card h4 { color: var(--teal-900); font-size: 17px; margin-bottom: 12px; }
.about-card p { font-size: 14px; color: var(--ink-2); }
.about-card .row { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.about-card .chip {
  background: var(--cyan-100); border: 1px solid var(--cyan-300); color: var(--teal-800);
  font-size: 13px; border-radius: 999px; padding: 5px 14px; font-weight: 600;
}

/* ---------------- 页脚 ---------------- */
footer { background: var(--teal-950); color: #6f969d; padding: 36px 0; font-size: 13px; }
.foot-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
footer a { color: #9fc6cc; }
footer a:hover { color: #fff; }

/* ---------------- 下载中心页 ---------------- */
.dl-hero {
  background: linear-gradient(160deg, var(--teal-950), var(--teal-800)); color: #fff;
  text-align: center; padding: 70px 0 60px;
}
.dl-hero h1 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 900; }
.dl-hero p { color: #9fc6cc; margin-top: 10px; }
.dl-sec { padding: 70px 0; }
.platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.platform {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 32px 26px;
  text-align: center; position: relative; transition: transform .2s, box-shadow .2s;
}
.platform:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.platform .pic {
  width: 74px; height: 74px; margin: 0 auto 18px; border-radius: 20px;
  display: grid; place-items: center; font-size: 34px; color: #fff;
}
.platform.android .pic { background: linear-gradient(135deg, #3ddc84, #1a9c58); }
.platform.ios .pic { background: linear-gradient(135deg, #a2b6bd, #4a6a72); }
.platform.win .pic { background: linear-gradient(135deg, #4ecde0, #135a67); }
.platform h3 { font-size: 20px; color: var(--teal-900); }
.platform .ver { font-size: 13px; color: var(--ink-3); margin: 6px 0 16px; }
.platform .soon {
  display: inline-block; background: var(--cyan-100); color: var(--teal-800);
  border: 1px dashed var(--cyan-500); border-radius: 999px; padding: 10px 26px;
  font-weight: 700; font-size: 14.5px;
}
.platform .note { margin-top: 14px; font-size: 12.5px; color: var(--ink-3); }
.res-list { display: grid; gap: 14px; }
.res {
  display: flex; align-items: center; gap: 18px; background: #fff;
  border: 1px solid var(--line); border-radius: 14px; padding: 20px 24px;
  transition: box-shadow .2s, transform .2s;
}
.res:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.res .ric {
  width: 52px; height: 52px; border-radius: 12px; flex: none; display: grid; place-items: center;
  font-size: 24px; color: #fff; background: linear-gradient(135deg, var(--cyan-400), var(--teal-600));
}
.res .ric.pdf { background: linear-gradient(135deg, #f0654f, #c0392b); }
.res .ric.mp4 { background: linear-gradient(135deg, #8e6ff0, #5b3fc4); }
.res .ric.img { background: linear-gradient(135deg, #3ddc84, #1a9c58); }
.res .info { flex: 1; min-width: 0; }
.res .info h4 { font-size: 16px; color: var(--teal-900); }
.res .info p { font-size: 13px; color: var(--ink-2); margin-top: 2px; }
.res .meta { font-size: 12px; color: var(--ink-3); margin-top: 6px; display: flex; gap: 14px; }
.res .dl-btn {
  flex: none; background: linear-gradient(135deg, var(--cyan-400), var(--cyan-500));
  color: #05323b; font-weight: 800; padding: 11px 26px; border-radius: 999px; border: none; font-size: 14.5px;
}
.res .dl-btn:hover { filter: brightness(1.06); }
.log { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 10px 26px; }
.log li { list-style: none; padding: 16px 0; border-bottom: 1px dashed var(--line); }
.log li:last-child { border-bottom: none; }
.log b { color: var(--teal-800); }
.log .tag {
  display: inline-block; background: var(--cyan-100); color: var(--teal-800); font-size: 12px;
  padding: 2px 10px; border-radius: 999px; margin-left: 10px; font-weight: 600;
}
.log p { font-size: 13.5px; color: var(--ink-2); margin-top: 4px; }
.tips { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.tip { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 20px; font-size: 13.5px; color: var(--ink-2); }
.tip b { display: block; color: var(--teal-800); font-size: 15px; margin-bottom: 6px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero p.desc { margin-left: auto; margin-right: auto; }
  .hero-actions, .hero-stats { justify-content: center; }
  .hero-visual { margin-top: 20px; }
  .badge-float.b1 { left: 4%; }
  .badge-float.b2 { right: 4%; }
  .tech-grid, .tri-wrap, .about-grid { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .big-data { grid-template-columns: repeat(2, 1fr); }
  .pain-grid { grid-template-columns: 1fr; }
  .vs-row { grid-template-columns: 1fr; }
  .quote-grid { grid-template-columns: 1fr; }
  .platforms { grid-template-columns: 1fr; }
  .tips { grid-template-columns: 1fr; }
  .nav-links a:not(.nav-cta) { display: none; }
  .keygrid { grid-template-columns: 1fr; }
  .kb-col-label { writing-mode: horizontal-tb; padding: 6px; }
  .key { min-width: 48px; height: 46px; font-size: 15px; }
  .editbar { font-size: 18px; }
}