/* ==========================================================================
   网来科技 WorldLink IoT — 官网样式表
   Brand: Beijing WorldLink Technology Development Co., Ltd.
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --brand: #1668ff;
  --brand-dark: #0b45c4;
  --brand-light: #4d8dff;
  --cyan: #00c2ff;
  --mint: #00e0c6;

  --ink: #0a1633;
  --ink-2: #43526e;
  --ink-3: #7a8aa8;

  --line: #e5eaf4;
  --line-soft: #eef2f9;
  --bg: #ffffff;
  --bg-soft: #f5f8fd;
  --bg-mute: #eef3fb;

  --dark: #060d22;
  --dark-2: #0c1730;
  --dark-line: rgba(255, 255, 255, 0.1);

  --grad-brand: linear-gradient(135deg, #1668ff 0%, #00c2ff 100%);
  --grad-hero: radial-gradient(1200px 600px at 78% -10%, rgba(0, 194, 255, 0.28), transparent 62%),
               radial-gradient(900px 520px at 8% 8%, rgba(22, 104, 255, 0.32), transparent 60%),
               linear-gradient(160deg, #060d22 0%, #0a1730 48%, #08122a 100%);

  --shadow-sm: 0 2px 8px rgba(10, 22, 51, 0.06);
  --shadow: 0 12px 34px -14px rgba(10, 22, 51, 0.2);
  --shadow-lg: 0 30px 70px -28px rgba(10, 22, 51, 0.32);
  --shadow-brand: 0 18px 40px -16px rgba(22, 104, 255, 0.5);

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --container: 1200px;
  --nav-h: 74px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
          system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-num: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
}

/* ---------- 2. 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; outline: none; border: none; background: none; }
button { cursor: pointer; }

::selection { background: rgba(22, 104, 255, 0.16); }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-mute); }
::-webkit-scrollbar-thumb { background: #c3cee2; border-radius: 99px; border: 2px solid var(--bg-mute); }
::-webkit-scrollbar-thumb:hover { background: #a3b2ce; }

/* ---------- 3. 布局工具 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 104px 0; position: relative; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--dark); color: #fff; }
.section--tight { padding: 76px 0; }

.grid { display: grid; gap: 24px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 4. 排版 ---------- */
.h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); line-height: 1.2; font-weight: 800; letter-spacing: -0.02em; }
.h2 { font-size: clamp(1.65rem, 3vw, 2.5rem); line-height: 1.28; font-weight: 800; letter-spacing: -0.015em; }
.h3 { font-size: 1.22rem; font-weight: 700; line-height: 1.45; }
.h4 { font-size: 1.03rem; font-weight: 700; }
.lead { font-size: 1.06rem; color: var(--ink-2); line-height: 1.85; }
.muted { color: var(--ink-2); }
.dim { color: var(--ink-3); }
.center { text-align: center; }
.gradient-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 5. 章节标题 ---------- */
.sec-head { max-width: 720px; margin-bottom: 52px; }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--brand);
  padding: 6px 14px; border-radius: 99px;
  background: rgba(22, 104, 255, 0.08);
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }
.section--dark .eyebrow { color: var(--cyan); background: rgba(0, 194, 255, 0.12); }
.section--dark .eyebrow::before { background: var(--cyan); }
.sec-head .h2 + .lead { margin-top: 16px; }
.section--dark .lead { color: rgba(255, 255, 255, 0.68); }

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 26px; border-radius: 99px;
  font-weight: 600; font-size: 0.95rem; white-space: nowrap;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
              background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
  border: 1px solid transparent;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--grad-brand); color: #fff; box-shadow: var(--shadow-brand); }
.btn--primary:hover { box-shadow: 0 22px 46px -14px rgba(22, 104, 255, 0.62); }

.btn--ghost { border-color: rgba(255, 255, 255, 0.26); color: #fff; background: rgba(255, 255, 255, 0.06); backdrop-filter: blur(8px); }
.btn--ghost:hover { background: rgba(255, 255, 255, 0.14); border-color: rgba(255, 255, 255, 0.4); }

.btn--outline { border-color: var(--line); color: var(--ink); background: #fff; box-shadow: var(--shadow-sm); }
.btn--outline:hover { border-color: var(--brand); color: var(--brand); box-shadow: var(--shadow); }

.btn--lg { height: 54px; padding: 0 32px; font-size: 1rem; }
.btn--block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* 文字箭头链接 */
.link-arrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-weight: 600; font-size: 0.93rem; color: var(--brand);
}
.link-arrow svg { width: 15px; height: 15px; transition: transform 0.28s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 7. 顶部导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease), height 0.35s var(--ease), border-color 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav__inner { display: flex; align-items: center; gap: 32px; width: 100%; }

/* 透明态（叠在深色 Hero 上） */
.nav--transparent .nav__logo-text,
.nav--transparent .nav__link { color: #fff; }
.nav--transparent .nav__link::after { background: #fff; }
.nav--transparent .nav__burger span { background: #fff; }
.nav--transparent .nav__cta { border-color: rgba(255,255,255,0.28); color: #fff; background: rgba(255,255,255,0.07); }
.nav--transparent .nav__cta:hover { background: rgba(255,255,255,0.16); border-color: rgba(255,255,255,0.45); }

/* 实心态（滚动后 / 内页） */
.nav--solid {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(18px);
  box-shadow: 0 1px 0 var(--line), 0 12px 30px -22px rgba(10, 22, 51, 0.35);
  height: 66px;
}
.nav--solid .nav__link { color: var(--ink); }
.nav--solid .nav__link:hover, .nav--solid .nav__link.is-active { color: var(--brand); }
.nav--solid .nav__link::after { background: var(--brand); }

/* Logo */
.nav__logo { display: flex; align-items: center; gap: 11px; flex: none; }
.nav__logo-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: #fff;
  display: grid; place-items: center;
  box-shadow: 0 8px 20px -8px rgba(22, 104, 255, 0.5);
  position: relative; overflow: hidden; flex: none;
  padding: 4px;
}
.nav__logo-mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
.nav__logo-text { display: flex; flex-direction: column; line-height: 1.12; }
.nav__logo-text b { font-size: 1.06rem; font-weight: 800; letter-spacing: 0.01em; }
.nav__logo-text i { font-style: normal; font-size: 0.62rem; letter-spacing: 0.22em; color: var(--ink-3); font-weight: 600; text-transform: uppercase; }
.nav--transparent .nav__logo-text i { color: rgba(255,255,255,0.62); }

/* 菜单 */
.nav__menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link {
  position: relative; padding: 10px 15px; border-radius: 9px;
  font-size: 0.94rem; font-weight: 600; color: var(--ink);
  transition: color 0.24s var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 50%; bottom: 3px;
  width: 0; height: 2px; border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.28s var(--ease);
}
.nav__link:hover::after, .nav__link.is-active::after { width: 20px; }

.nav__cta {
  margin-left: 12px; height: 42px; padding: 0 20px; font-size: 0.9rem;
  border: 1px solid var(--line); border-radius: 99px; background: #fff;
  color: var(--ink); font-weight: 600;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all 0.25s var(--ease);
}
.nav__cta:hover { border-color: var(--brand); color: var(--brand); box-shadow: var(--shadow); }
.nav__cta svg { width: 15px; height: 15px; }

/* 「免费领取测试卡」主按钮（渐变胶囊） */
.nav__cta--gift,
.nav--transparent .nav__cta--gift {
  background: var(--grad-brand);
  border-color: transparent;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 10px 24px -12px rgba(22, 104, 255, 0.85);
}
.nav__cta--gift:hover,
.nav--transparent .nav__cta--gift:hover {
  background: var(--grad-brand);
  border-color: transparent;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 14px 30px -12px rgba(22, 104, 255, 1);
}
.nav__cta--gift { margin-left: 10px; }
.nav__cta--gift svg { width: 16px; height: 16px; }

/* 汉堡 */
.nav__burger { display: none; width: 42px; height: 42px; border-radius: 10px; margin-left: auto; position: relative; }
.nav__burger span {
  position: absolute; left: 11px; width: 20px; height: 2px; border-radius: 2px;
  background: var(--ink); transition: all 0.3s var(--ease);
}
.nav__burger span:nth-child(1) { top: 15px; }
.nav__burger span:nth-child(2) { top: 20px; }
.nav__burger span:nth-child(3) { top: 25px; }
.nav__burger.is-open span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; }
.nav__burger.is-open span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* 移动端抽屉 */
.drawer {
  position: fixed; inset: var(--nav-h) 0 0 0; z-index: 99;
  background: #fff; padding: 20px 24px 40px;
  transform: translateX(100%); opacity: 0; pointer-events: none;
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
  overflow-y: auto;
}
.drawer.is-open { transform: translateX(0); opacity: 1; pointer-events: auto; }
.drawer__link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 17px 4px; font-size: 1.06rem; font-weight: 600;
  border-bottom: 1px solid var(--line-soft);
}
.drawer__link svg { width: 16px; height: 16px; color: var(--ink-3); }
.drawer__foot { margin-top: 26px; display: grid; gap: 10px; }
.drawer__meta { font-size: 0.9rem; color: var(--ink-2); display: flex; align-items: center; gap: 9px; }
.drawer__meta svg { width: 16px; height: 16px; color: var(--brand); flex: none; }

/* ---------- 8. Hero ---------- */
.hero {
  position: relative; min-height: 720px;
  display: flex; align-items: center;
  background: var(--grad-hero);
  color: #fff; overflow: hidden;
  padding: calc(var(--nav-h) + 68px) 0 96px;
}
.hero__grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse 78% 62% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 78% 62% at 50% 40%, #000 30%, transparent 100%);
  pointer-events: none;
}
.hero__glow {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; pointer-events: none;
}
.hero__glow--a { width: 520px; height: 520px; background: #1668ff; top: -180px; right: -80px; }
.hero__glow--b { width: 420px; height: 420px; background: #00c2ff; bottom: -200px; left: -60px; opacity: 0.32; }

.hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 64px; align-items: center; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 16px 7px 8px; border-radius: 99px;
  background: rgba(255,255,255,0.09); border: 1px solid rgba(255,255,255,0.16);
  font-size: 0.83rem; font-weight: 600; letter-spacing: 0.02em;
  backdrop-filter: blur(10px); margin-bottom: 26px;
}
.hero__badge b {
  background: var(--grad-brand); color: #fff; padding: 3px 10px; border-radius: 99px;
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.04em;
}
.hero h1 { font-size: clamp(2.2rem, 4.4vw, 3.55rem); line-height: 1.18; font-weight: 800; letter-spacing: -0.025em; margin-bottom: 22px; }
.hero h1 em { font-style: normal; background: linear-gradient(120deg, #57b0ff, #00e0c6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__desc { font-size: 1.08rem; line-height: 1.9; color: rgba(255,255,255,0.76); max-width: 560px; margin-bottom: 36px; }
.hero__stats { display: flex; gap: 44px; margin-top: 52px; flex-wrap: wrap; }
.hero__stat b { display: block; font-size: 2rem; font-weight: 800; font-family: var(--font-num); letter-spacing: -0.02em; line-height: 1.2; }
.hero__stat b span { font-size: 0.9rem; font-weight: 600; margin-left: 3px; color: var(--cyan); }
.hero__stat b span.num { font-size: inherit; font-weight: inherit; margin-left: 0; color: inherit; }
.hero__stat i { font-style: normal; font-size: 0.86rem; color: rgba(255,255,255,0.6); }

/* Hero 右侧卡片 */
.hero__visual { position: relative; }
.hero-card {
  border-radius: var(--radius-lg); padding: 26px;
  background: linear-gradient(150deg, rgba(255,255,255,0.13), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(20px);
  box-shadow: 0 40px 80px -36px rgba(0,0,0,0.7);
}
.hero-card__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.hero-card__title { font-size: 0.9rem; font-weight: 700; letter-spacing: 0.03em; }
.hero-card__dot { display: inline-flex; align-items: center; gap: 7px; font-size: 0.76rem; color: #6ff0c8; font-weight: 600; }
.hero-card__dot::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%; background: #2ee6a8;
  box-shadow: 0 0 0 4px rgba(46,230,168,0.18); animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero-card__rows { display: grid; gap: 12px; }
.hero-row {
  display: flex; align-items: center; gap: 13px;
  padding: 14px 15px; border-radius: 13px;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.09);
}
.hero-row__ico {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(140deg, rgba(22,104,255,0.9), rgba(0,194,255,0.75));
}
.hero-row__ico svg { width: 18px; height: 18px; }
.hero-row__body { flex: 1; min-width: 0; }
.hero-row__body b { display: block; font-size: 0.9rem; font-weight: 700; }
.hero-row__body i { font-style: normal; font-size: 0.78rem; color: rgba(255,255,255,0.55); }
.hero-row__val { font-family: var(--font-num); font-size: 0.86rem; font-weight: 700; color: var(--mint); }

.hero-card__bars { margin-top: 20px; display: flex; align-items: flex-end; gap: 9px; height: 74px; }
.hero-card__bars span {
  flex: 1; border-radius: 6px 6px 3px 3px;
  background: linear-gradient(180deg, #00c2ff, rgba(22,104,255,0.35));
  animation: barGrow 1.1s var(--ease) backwards;
}
@keyframes barGrow { from { height: 0 !important; opacity: 0; } }

/* 浮动标记 */
.hero-float {
  position: absolute; padding: 12px 17px; border-radius: 14px;
  background: rgba(255,255,255,0.95); color: var(--ink);
  box-shadow: 0 22px 44px -20px rgba(0,0,0,0.6);
  display: flex; align-items: center; gap: 11px; font-size: 0.84rem; font-weight: 700;
  animation: floaty 5.5s ease-in-out infinite;
}
.hero-float--b { bottom: -26px; right: -22px; animation-delay: -2.2s; }
.hero-float__ico { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; background: var(--bg-mute); }
.hero-float__ico svg { width: 17px; height: 17px; color: var(--brand); }
.hero-float small { display: block; font-size: 0.7rem; color: var(--ink-3); font-weight: 600; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-11px); } }

/* ---------- 9. 内页页头 ---------- */
.pagehead {
  position: relative; overflow: hidden;
  background: var(--grad-hero);
  color: #fff;
  padding: calc(var(--nav-h) + 74px) 0 78px;
}
.pagehead__grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(ellipse 90% 80% at 30% 0%, #000 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 30% 0%, #000 20%, transparent 100%);
}
.pagehead__inner { position: relative; z-index: 2; max-width: 820px; }
.pagehead h1 { font-size: clamp(1.95rem, 3.8vw, 3rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.22; margin-bottom: 18px; }
.pagehead p { font-size: 1.04rem; color: rgba(255,255,255,0.72); line-height: 1.9; max-width: 680px; }

/* 面包屑 */
.crumb { display: flex; align-items: center; gap: 9px; font-size: 0.84rem; color: rgba(255,255,255,0.55); margin-bottom: 20px; }
.crumb a:hover { color: #fff; }
.crumb svg { width: 13px; height: 13px; opacity: 0.6; }

/* ---------- 10. 卡片 ---------- */
.card {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 30px;
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease), border-color 0.32s var(--ease);
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card--pad-lg { padding: 36px; }
.card--fill { background: var(--bg-soft); }
.card__ico {
  width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center;
  background: linear-gradient(140deg, rgba(22,104,255,0.12), rgba(0,194,255,0.12));
  color: var(--brand); margin-bottom: 20px;
  transition: background 0.32s var(--ease), color 0.32s var(--ease);
}
.card__ico svg { width: 25px; height: 25px; }
.card:hover .card__ico { background: var(--grad-brand); color: #fff; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: 0.95rem; line-height: 1.85; }

/* 顶部渐变描边卡片 */
.card--accent { overflow: hidden; }
.card--accent::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad-brand); opacity: 0; transition: opacity 0.32s var(--ease);
}
.card--accent:hover::before { opacity: 1; }

/* 编号卡片 */
.card--num { padding-top: 34px; }
.card__num {
  font-family: var(--font-num); font-size: 0.82rem; font-weight: 700;
  color: var(--brand); letter-spacing: 0.1em; display: block; margin-bottom: 12px;
}

/* 深色卡片 */
.card--dark { background: var(--dark-2); border-color: var(--dark-line); color: #fff; }
.card--dark p { color: rgba(255,255,255,0.65); }
.card--dark .card__ico { background: rgba(0,194,255,0.13); color: var(--cyan); }
.card--dark:hover .card__ico { background: var(--grad-brand); color: #fff; }

/* ---------- 11. 特色大卡（左右分栏） ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split--rev .split__body { order: 2; }
.split__body h2 { margin-bottom: 18px; }
.split__body > p { color: var(--ink-2); font-size: 1rem; line-height: 1.9; margin-bottom: 16px; }

.checklist { display: grid; gap: 14px; margin-top: 26px; }
.checklist li { display: flex; gap: 13px; align-items: flex-start; }
.checklist svg { width: 20px; height: 20px; flex: none; margin-top: 3px; color: var(--brand); }
.checklist b { display: block; font-size: 0.96rem; margin-bottom: 2px; }
.checklist p { font-size: 0.9rem; color: var(--ink-2); line-height: 1.75; }

/* 视觉面板（纯 CSS 绘制，不依赖图片） */
.panel {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--dark); padding: 30px;
  box-shadow: var(--shadow-lg);
  min-height: 380px;
  display: flex; flex-direction: column; gap: 16px;
}
.panel::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 80% 0%, rgba(0,194,255,0.24), transparent 65%),
              radial-gradient(500px 300px at 10% 100%, rgba(22,104,255,0.28), transparent 62%);
}
.panel > * { position: relative; z-index: 1; }
.panel__bar { display: flex; align-items: center; gap: 7px; margin-bottom: 6px; }
.panel__bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.18); }
.panel__bar i:first-child { background: #ff6058; }
.panel__bar i:nth-child(2) { background: #ffbd2e; }
.panel__bar i:nth-child(3) { background: #28c840; }
.panel__title { margin-left: 10px; font-size: 0.8rem; color: rgba(255,255,255,0.45); font-family: var(--font-num); }
.panel__tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px; }
.panel__tile {
  border-radius: 13px; padding: 16px; color: #fff;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1);
}
.panel__tile b { display: block; font-family: var(--font-num); font-size: 1.35rem; font-weight: 700; }
.panel__tile i { font-style: normal; font-size: 0.78rem; color: rgba(255,255,255,0.55); }
.panel__lines { display: grid; gap: 10px; }
.panel__line {
  height: 9px; border-radius: 99px;
  background: linear-gradient(90deg, rgba(0,194,255,0.85), rgba(22,104,255,0.2));
}
.panel__line--w1 { width: 88%; }
.panel__line--w2 { width: 66%; }
.panel__line--w3 { width: 78%; background: linear-gradient(90deg, rgba(0,224,198,0.8), rgba(22,104,255,0.2)); }
.panel__line--w4 { width: 52%; }
.panel__map {
  flex: 1; min-height: 130px; border-radius: 13px; margin-top: 4px;
  background:
    radial-gradient(circle at 32% 40%, rgba(0,194,255,0.5) 0 3px, transparent 4px),
    radial-gradient(circle at 58% 30%, rgba(0,224,198,0.5) 0 3px, transparent 4px),
    radial-gradient(circle at 72% 62%, rgba(77,141,255,0.5) 0 3px, transparent 4px),
    radial-gradient(circle at 42% 74%, rgba(0,194,255,0.5) 0 3px, transparent 4px),
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px) 0 0 / 100% 26px,
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px) 0 0 / 26px 100%,
    rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
}

/* 浅色视觉面板 */
.panel--light { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.panel--light::before { background: radial-gradient(600px 300px at 85% 0%, rgba(0,194,255,0.1), transparent 65%); }
.panel--light .panel__bar i { background: #dde5f2; }
.panel--light .panel__bar i:first-child { background: #ff6058; }
.panel--light .panel__bar i:nth-child(2) { background: #ffbd2e; }
.panel--light .panel__bar i:nth-child(3) { background: #28c840; }
.panel--light .panel__title { color: var(--ink-3); }
.panel--light .panel__tile { background: var(--bg-soft); border-color: var(--line); color: var(--ink); }
.panel--light .panel__tile i { color: var(--ink-3); }
.panel--light .panel__map { background: rgba(22,104,255,0.04); border-color: var(--line); }

/* 办公实景图 */
.office-photo {
  position: relative; border-radius: 13px; overflow: hidden;
  border: 1px solid var(--line); margin: 4px 0 0;
}
.office-photo img {
  display: block; width: 100%; aspect-ratio: 16 / 9.5;
  object-fit: cover; transition: transform 0.6s var(--ease);
}
.office-photo:hover img { transform: scale(1.04); }
.office-photo figcaption {
  position: absolute; left: 12px; bottom: 12px;
  background: rgba(14, 27, 44, 0.72); color: #fff;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em;
  padding: 6px 13px; border-radius: 99px; backdrop-filter: blur(6px);
}

/* ---------- 12. 统计条 ---------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line);
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
}
.stat { background: #fff; padding: 34px 26px; text-align: center; }
.stat b { display: block; font-family: var(--font-num); font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; color: var(--brand); line-height: 1.15; letter-spacing: -0.02em; }
.stat b span { font-size: 0.92rem; margin-left: 3px; }
.stat i { font-style: normal; font-size: 0.9rem; color: var(--ink-2); }
.stat b span.num { font-size: inherit; font-weight: inherit; margin-left: 0; }

/* ---------- 13. 行业场景 ---------- */
.scene {
  position: relative; border-radius: var(--radius); overflow: hidden;
  padding: 32px; min-height: 230px;
  background: var(--dark-2); color: #fff;
  display: flex; flex-direction: column; justify-content: flex-end;
  transition: transform 0.34s var(--ease), box-shadow 0.34s var(--ease);
}
.scene:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.scene::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(165deg, rgba(22,104,255,0.36), rgba(6,13,34,0.9) 62%);
}
.scene--b::before { background: linear-gradient(165deg, rgba(0,194,255,0.32), rgba(6,13,34,0.9) 62%); }
.scene--c::before { background: linear-gradient(165deg, rgba(0,224,198,0.3), rgba(6,13,34,0.9) 62%); }
.scene--d::before { background: linear-gradient(165deg, rgba(77,141,255,0.34), rgba(6,13,34,0.9) 62%); }
.scene > * { position: relative; z-index: 1; }
.scene__ico { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; background: rgba(255,255,255,0.14); margin-bottom: auto; }
.scene__ico svg { width: 23px; height: 23px; }
.scene h3 { margin: 18px 0 8px; font-size: 1.1rem; font-weight: 700; }
.scene p { font-size: 0.89rem; color: rgba(255,255,255,0.68); line-height: 1.75; }

/* ---------- 14. 步骤流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.step { position: relative; }
.step__num {
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-num); font-weight: 800; font-size: 1rem;
  background: #fff; border: 2px solid var(--brand); color: var(--brand);
  margin-bottom: 20px; position: relative; z-index: 1;
}
.step::after {
  content: ""; position: absolute; top: 23px; left: 56px; right: -24px;
  height: 2px; background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
}
.step:last-child::after { display: none; }
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: 0.9rem; color: var(--ink-2); line-height: 1.8; }

/* ---------- 15. 时间线 ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, var(--brand), rgba(0,194,255,0.15));
}
.tl-item { position: relative; padding-bottom: 38px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -34px; top: 6px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand);
  box-shadow: 0 0 0 4px rgba(22,104,255,0.12);
}
.tl-item b { display: block; font-family: var(--font-num); font-size: 0.88rem; color: var(--brand); font-weight: 700; letter-spacing: 0.04em; margin-bottom: 5px; }
.tl-item h4 { font-size: 1.04rem; margin-bottom: 7px; }
.tl-item p { font-size: 0.93rem; color: var(--ink-2); line-height: 1.8; }

/* ---------- 16. 资质 / 荣誉 ---------- */
.honor {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 22px; border-radius: var(--radius-sm);
  background: #fff; border: 1px solid var(--line);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.honor:hover { border-color: rgba(22,104,255,0.4); box-shadow: var(--shadow); }
.honor__ico { width: 42px; height: 42px; border-radius: 12px; flex: none; display: grid; place-items: center; background: rgba(22,104,255,0.08); color: var(--brand); }
.honor__ico svg { width: 21px; height: 21px; }
.honor b { display: block; font-size: 0.96rem; margin-bottom: 3px; }
.honor > span:not(.honor__ico) { font-size: 0.9rem; line-height: 1.6; }
.honor span span { font-size: 0.82rem; color: var(--ink-3); font-family: var(--font-num); display: block; }

/* ---------- 17. 公告 / 提示条 ---------- */
.notice {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 20px 24px; border-radius: var(--radius-sm);
  background: rgba(22,104,255,0.05); border: 1px solid rgba(22,104,255,0.16);
}
.notice svg { width: 20px; height: 20px; color: var(--brand); flex: none; margin-top: 3px; }
.notice p { font-size: 0.92rem; color: var(--ink-2); line-height: 1.8; }

/* ---------- 18. FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq__item { border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; overflow: hidden; transition: border-color 0.3s var(--ease); }
.faq__item.is-open { border-color: rgba(22,104,255,0.4); }
.faq__q {
  width: 100%; text-align: left; padding: 20px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  font-weight: 700; font-size: 1rem;
}
.faq__q svg { width: 18px; height: 18px; color: var(--brand); flex: none; transition: transform 0.32s var(--ease); }
.faq__item.is-open .faq__q svg { transform: rotate(45deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq__a p { padding: 0 24px 22px; font-size: 0.94rem; color: var(--ink-2); line-height: 1.85; }

/* ---------- 19. 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.plan { width: 100%; border-collapse: collapse; min-width: 680px; }
table.plan th, table.plan td { padding: 17px 22px; text-align: left; font-size: 0.93rem; border-bottom: 1px solid var(--line-soft); }
table.plan th { background: var(--bg-soft); font-weight: 700; font-size: 0.86rem; letter-spacing: 0.02em; color: var(--ink-2); white-space: nowrap; }
table.plan tr:last-child td { border-bottom: none; }
table.plan tbody tr:hover { background: rgba(22,104,255,0.03); }
table.plan td:first-child { font-weight: 700; }

/* ---------- 20. 联系信息 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact-card {
  padding: 30px; border-radius: var(--radius); background: #fff;
  border: 1px solid var(--line); position: relative; overflow: hidden;
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease);
}
.contact-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.contact-card__ico {
  width: 50px; height: 50px; border-radius: 15px; display: grid; place-items: center;
  background: var(--grad-brand); color: #fff; margin-bottom: 20px;
  box-shadow: 0 12px 26px -12px rgba(22,104,255,0.75);
}
.contact-card__ico svg { width: 23px; height: 23px; }
.contact-card h3 { font-size: 1rem; margin-bottom: 9px; }
.contact-card b { display: block; font-size: 1.24rem; font-weight: 800; font-family: var(--font-num); letter-spacing: -0.01em; margin-bottom: 6px; }
.contact-card p { font-size: 0.9rem; color: var(--ink-2); line-height: 1.8; }

/* ---------- 21. 表单 ---------- */
.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 0.88rem; font-weight: 600; color: var(--ink-2); }
.field label span { color: #e5484d; }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: #fff;
  font-size: 0.95rem; transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}
.field textarea { min-height: 130px; resize: vertical; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--brand); box-shadow: 0 0 0 4px rgba(22,104,255,0.1);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-3); }
.field--error input, .field--error select, .field--error textarea { border-color: #e5484d; }
.field__hint { font-size: 0.78rem; color: #e5484d; min-height: 1em; }
.form__ok {
  display: none; align-items: center; gap: 11px;
  padding: 15px 18px; border-radius: var(--radius-sm);
  background: rgba(46,230,168,0.1); border: 1px solid rgba(46,230,168,0.4);
  color: #0a7d5a; font-size: 0.92rem; font-weight: 600;
}
.form__ok.is-show { display: flex; }
.form__ok svg { width: 19px; height: 19px; flex: none; }

/* ---------- 22. CTA 区块 ---------- */
.cta {
  position: relative; overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--grad-hero);
  color: #fff; padding: 68px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 44px;
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 100% at 80% 0%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 100% at 80% 0%, #000, transparent 75%);
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 800; margin-bottom: 14px; letter-spacing: -0.015em; }
.cta p { color: rgba(255,255,255,0.72); font-size: 1rem; max-width: 540px; }
.cta__actions { display: flex; gap: 14px; flex-wrap: wrap; flex: none; }

/* ---------- 23. 页脚 ---------- */
.footer { background: var(--dark); color: rgba(255,255,255,0.66); padding: 76px 0 0; }
.footer__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.25fr; gap: 44px; padding-bottom: 52px; }
.footer__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer__brand .nav__logo-mark { width: 42px; height: 42px; border-radius: 12px; }
.footer__brand b { color: #fff; font-size: 1.12rem; font-weight: 800; }
.footer__brand i { font-style: normal; display: block; font-size: 0.62rem; letter-spacing: 0.22em; color: rgba(255,255,255,0.4); font-weight: 600; }
.footer__about { font-size: 0.9rem; line-height: 1.9; max-width: 340px; }
.footer h4 { color: #fff; font-size: 0.94rem; font-weight: 700; margin-bottom: 20px; letter-spacing: 0.02em; }
.footer__links { display: grid; gap: 12px; }
.footer__links a { font-size: 0.9rem; transition: color 0.24s var(--ease), transform 0.24s var(--ease); display: inline-block; }
.footer__links a:hover { color: #fff; transform: translateX(4px); }
.footer__contact { display: grid; gap: 15px; }
.footer__contact li { display: flex; gap: 11px; font-size: 0.9rem; line-height: 1.7; align-items: flex-start; }
.footer__contact svg { width: 17px; height: 17px; color: var(--cyan); flex: none; margin-top: 3px; }
.footer__contact b { color: #fff; font-weight: 700; font-family: var(--font-num); letter-spacing: 0.01em; }
.footer__bottom {
  border-top: 1px solid var(--dark-line);
  padding: 26px 0 18px; display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; font-size: 0.84rem;
}
.footer__bottom a:hover { color: #fff; }
.footer__legal { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
.footer__legal a { display: inline-flex; align-items: center; gap: 6px; }
.footer__legal img, .footer__legal svg { width: 14px; height: 14px; }

/* 关联企业跳转 */
.footer__affiliate {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 0 0 28px; font-size: 0.84rem;
}
.footer__affiliate > span { color: rgba(255, 255, 255, 0.42); letter-spacing: 0.02em; }
.footer__affiliate a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 17px; border-radius: 99px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--dark-line);
  color: rgba(255, 255, 255, 0.86);
  font-weight: 600; letter-spacing: 0.01em;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease),
              color 0.25s var(--ease), transform 0.25s var(--ease);
}
.footer__affiliate a:hover {
  background: rgba(0, 194, 255, 0.14);
  border-color: rgba(0, 194, 255, 0.5);
  color: #fff; transform: translateY(-2px);
}
.footer__affiliate a svg { width: 13px; height: 13px; flex: none; opacity: 0.7; }
.footer__affiliate a:hover svg { opacity: 1; }

/* ---------- 24. 浮动联系按钮 ---------- */
.floaty {
  position: fixed; right: 10px; bottom: 24px; z-index: 90;
  display: grid; gap: 12px;
}
@media (max-width: 720px) {
  .floaty { right: 6px; bottom: 18px; }
  .floaty a { width: 44px; height: 44px; border-radius: 13px; }
}
.floaty a {
  width: 50px; height: 50px; border-radius: 15px;
  display: grid; place-items: center; color: #fff;
  background: var(--grad-brand);
  box-shadow: 0 14px 30px -12px rgba(22,104,255,0.8);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
  position: relative;
}
.floaty a:hover { transform: translateY(-4px) scale(1.05); }
.floaty a svg { width: 22px; height: 22px; }
.floaty .floaty__top { background: #fff; color: var(--ink); border: 1px solid var(--line); box-shadow: var(--shadow); }
.floaty__tip {
  position: absolute; right: 62px; top: 50%; transform: translateY(-50%) translateX(8px);
  background: var(--ink); color: #fff; font-size: 0.8rem; font-weight: 600;
  padding: 7px 13px; border-radius: 8px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: all 0.26s var(--ease);
}
.floaty a:hover .floaty__tip { opacity: 1; transform: translateY(-50%) translateX(0); }

/* ---------- 25. 滚动进场动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: 0.08s; }
.reveal[data-d="2"] { transition-delay: 0.16s; }
.reveal[data-d="3"] { transition-delay: 0.24s; }
.reveal[data-d="4"] { transition-delay: 0.32s; }
.reveal[data-d="5"] { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .hero-float, .hero-card__dot::before { animation: none; }
}

/* ---------- 26. 响应式 ---------- */
@media (max-width: 1080px) {
  .hero__inner { grid-template-columns: 1fr; gap: 56px; }
  .hero__visual { max-width: 560px; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .step::after { display: none; }
}

@media (max-width: 1120px) {
  .nav__cta:not(.nav__cta--gift) { display: none; }
}

@media (max-width: 900px) {
  .nav__menu, .nav__cta { display: none; }
  .nav__burger { display: block; }
  .section { padding: 78px 0; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split--rev .split__body { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cta { flex-direction: column; align-items: flex-start; padding: 52px 34px; }
  .hero { min-height: auto; }
  .pagehead { padding: calc(var(--nav-h) + 56px) 0 62px; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .container { padding: 0 18px; }
  .g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .hero__stats { gap: 28px; }
  .hero__stat b { font-size: 1.6rem; }
  .hero-float { display: none; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .section { padding: 62px 0; }
  .card, .card--pad-lg { padding: 26px 22px; }
  .cta { padding: 44px 24px; border-radius: var(--radius-lg); }
  .floaty { right: 8px; bottom: 16px; }
  .floaty a { width: 46px; height: 46px; }
  .timeline { padding-left: 28px; }
  .tl-item::before { left: -28px; width: 15px; height: 15px; }
  .panel__tiles { grid-template-columns: 1fr; }
}

/* ---------- 27. 打印 ---------- */
@media print {
  .nav, .drawer, .floaty, .cta__actions { display: none !important; }
  .hero, .pagehead, .section--dark, .footer { background: #fff !important; color: #000 !important; }
}

/* ===== 无障碍跳转链接（SEO/可访问性） ===== */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--brand); color: #fff; padding: 10px 18px;
  border-radius: 0 0 12px 0; font-weight: 600; font-size: 0.9rem;
}
.skip-link:focus { left: 0; }

/* ===== 28. 新闻资讯 ===== */
/* 分类标签栏 */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filters a {
  padding: 8px 18px; border-radius: 99px; font-size: 0.88rem; font-weight: 600;
  background: #fff; border: 1px solid var(--line); color: var(--ink-2);
  transition: all 0.26s var(--ease);
}
.filters a:hover { border-color: var(--brand); color: var(--brand); }
.filters a.is-active { background: var(--grad-brand); border-color: transparent; color: #fff; box-shadow: var(--shadow-brand); }

/* 封面（渐变 + 图标，零外部图片） */
.post-cover {
  position: relative; aspect-ratio: 16 / 9; overflow: hidden;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #1668ff 0%, #00c2ff 100%);
}
.post-cover::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.09) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.09) 1px, transparent 1px);
  background-size: 34px 34px;
}
.post-cover::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(420px 220px at 82% 8%, rgba(255,255,255,0.3), transparent 62%);
}
.post-cover svg { position: relative; z-index: 1; width: 52px; height: 52px; color: #fff; opacity: 0.95; }
.post-cover--b { background: linear-gradient(135deg, #0b45c4 0%, #1668ff 100%); }
.post-cover--c { background: linear-gradient(135deg, #00a6ff 0%, #00e0c6 100%); }
.post-cover--d { background: linear-gradient(135deg, #123a7a 0%, #1668ff 100%); }

/* 文章元信息 */
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 0.81rem; color: var(--ink-3); }
.post-meta__dot { width: 3px; height: 3px; border-radius: 50%; background: var(--ink-3); opacity: 0.6; }
.post-tag {
  display: inline-flex; align-items: center; padding: 4px 12px; border-radius: 99px;
  background: rgba(22, 104, 255, 0.08); color: var(--brand);
  font-size: 0.76rem; font-weight: 700; letter-spacing: 0.02em;
}
.post-tag--mint { background: rgba(0, 224, 198, 0.12); color: #00a891; }

/* 卡片 */
.post-card {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: transform 0.32s var(--ease), box-shadow 0.32s var(--ease), border-color 0.32s var(--ease);
}
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.post-card__body { padding: 26px; display: flex; flex-direction: column; gap: 13px; flex: 1; }
.post-card__body h3 { font-size: 1.08rem; font-weight: 700; line-height: 1.55; color: var(--ink); }
.post-card__body p { font-size: 0.9rem; color: var(--ink-2); line-height: 1.78; }
.post-card__more {
  margin-top: auto; padding-top: 8px; display: inline-flex; align-items: center; gap: 7px;
  color: var(--brand); font-weight: 700; font-size: 0.86rem;
}
.post-card__more svg { width: 15px; height: 15px; transition: transform 0.26s var(--ease); }
.post-card:hover .post-card__more svg { transform: translateX(4px); }

/* 置顶特色卡 */
.post-feature {
  display: grid; grid-template-columns: 0.92fr 1.08fr;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: box-shadow 0.32s var(--ease);
}
.post-feature:hover { box-shadow: var(--shadow-lg); }
.post-feature .post-cover { aspect-ratio: auto; min-height: 340px; border-radius: 0; }
.post-feature__body { padding: 46px; display: flex; flex-direction: column; justify-content: center; gap: 16px; }
.post-feature__body h2 { font-size: 1.6rem; font-weight: 800; line-height: 1.45; color: var(--ink); }
.post-feature__body p { font-size: 0.95rem; color: var(--ink-2); line-height: 1.85; }

/* 文章正文 */
.article { max-width: 792px; margin: 0 auto; }
.article__head { margin-bottom: 34px; }
.article__head h1 { font-size: 2.02rem; font-weight: 800; line-height: 1.42; letter-spacing: -0.01em; }
.article__lead {
  margin-top: 18px; padding: 20px 24px; border-radius: var(--radius);
  background: var(--bg-soft); border-left: 4px solid var(--brand);
  font-size: 0.98rem; color: var(--ink-2); line-height: 1.9;
}
.article__body { font-size: 1.01rem; line-height: 1.95; color: var(--ink-2); }
.article__body > p { margin: 0 0 19px; }
.article__body h2 {
  font-size: 1.42rem; font-weight: 800; color: var(--ink); line-height: 1.45;
  margin: 46px 0 16px; padding-left: 15px; border-left: 4px solid var(--brand);
}
.article__body h3 { font-size: 1.11rem; font-weight: 700; color: var(--ink); margin: 30px 0 11px; }
.article__body strong { color: var(--ink); font-weight: 700; }
.article__body a { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
.article__body ul { margin: 0 0 21px; padding: 0; list-style: none; }
.article__body ul li { position: relative; padding-left: 26px; margin-bottom: 11px; }
.article__body ul li::before {
  content: ""; position: absolute; left: 5px; top: 0.68em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--brand);
}
.article__body ol { margin: 0 0 21px; padding: 0; list-style: none; counter-reset: artn; }
.article__body ol li { position: relative; padding-left: 36px; margin-bottom: 13px; counter-increment: artn; }
.article__body ol li::before {
  content: counter(artn); position: absolute; left: 0; top: 0.34em;
  width: 23px; height: 23px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(22, 104, 255, 0.1); color: var(--brand);
  font-size: 0.76rem; font-weight: 700; font-family: var(--font-num);
}
.article__body blockquote {
  margin: 26px 0; padding: 20px 24px; border-radius: var(--radius);
  background: var(--bg-soft); border-left: 4px solid var(--cyan);
  font-size: 0.96rem; line-height: 1.9; color: var(--ink-2);
}
.article__body .table-wrap { margin: 26px 0; }
.article__body table.plan { min-width: 560px; }
.article__body table.plan th, .article__body table.plan td { font-size: 0.9rem; padding: 14px 18px; }

/* 文末作者/声明 */
.article__foot {
  margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between;
  font-size: 0.85rem; color: var(--ink-3);
}
.article__share { display: flex; align-items: center; gap: 12px; }
.article__share a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 15px; border-radius: 99px; border: 1px solid var(--line); color: var(--ink-2);
  transition: all 0.26s var(--ease);
}
.article__share a:hover { border-color: var(--brand); color: var(--brand); }
.article__share svg { width: 15px; height: 15px; }

/* 相关阅读 */
.relate { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.relate a {
  display: block; padding: 24px; border-radius: var(--radius);
  background: #fff; border: 1px solid var(--line);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.relate a:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.relate h3 { font-size: 0.98rem; font-weight: 700; color: var(--ink); line-height: 1.6; margin-bottom: 10px; }
.relate span { font-size: 0.8rem; color: var(--ink-3); }

/* 资讯栏目响应式 */
@media (max-width: 1024px) {
  .post-feature { grid-template-columns: 1fr; }
  .post-feature .post-cover { min-height: 240px; }
  .post-feature__body { padding: 34px; }
  .relate { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .article__head h1 { font-size: 1.58rem; }
  .article__body { font-size: 0.98rem; line-height: 1.9; }
  .article__body h2 { font-size: 1.24rem; margin-top: 36px; }
  .post-feature__body { padding: 26px; }
  .post-feature__body h2 { font-size: 1.28rem; }
  .post-card__body { padding: 22px; }
  .relate { grid-template-columns: 1fr; }
  .article__foot { flex-direction: column; align-items: flex-start; gap: 14px; }
}