/* ============================================================
   畅链科技 ChinLink — 官网改版设计系统
   风格参照：cleo.com（深海军蓝 × 电光蓝/青 渐变、大标题、圆角卡片）
   ============================================================ */

:root {
  --navy-950: #060A24;
  --navy-900: #0A103D;
  --navy-800: #101A55;
  --ink: #101733;
  --ink-soft: #3D4666;
  --muted: #6A7390;
  --line: #E3E8F5;
  --bg-soft: #F5F7FD;
  --white: #FFFFFF;
  --brand: #2E5BFF;
  --brand-deep: #1E3FD8;
  --cyan: #00C2FF;
  --violet: #7B5CFF;
  --grad: linear-gradient(96deg, #2E5BFF 0%, #00C2FF 100%);
  --grad-v: linear-gradient(160deg, #2E5BFF 0%, #7B5CFF 55%, #00C2FF 120%);
  --shadow-sm: 0 2px 10px rgba(16, 26, 85, .07);
  --shadow-md: 0 12px 34px rgba(16, 26, 85, .11);
  --shadow-lg: 0 26px 70px rgba(16, 26, 85, .18);
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: clip; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.wrap { width: min(1180px, 92vw); margin: 0 auto; }
.wrap-wide { width: min(1320px, 94vw); margin: 0 auto; }

::selection { background: rgba(46, 91, 255, .18); }

/* ---------------- 顶部导航 ---------------- */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 200;
  background: rgba(6, 10, 36, .82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  transition: background .3s;
}
.topbar-inner {
  width: min(1320px, 94vw); margin: 0 auto;
  display: flex; align-items: center; gap: 28px;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark { width: 38px; height: 38px; object-fit: contain; display: block; }
.logo-text { color: #fff; font-weight: 700; font-size: 19px; letter-spacing: .5px; }
.logo-text small { display: block; font-size: 10px; font-weight: 500; letter-spacing: 2.5px; color: rgba(255,255,255,.55); line-height: 1; margin-top: 2px; }

.nav { display: flex; align-items: center; justify-content: center; gap: 12px; flex: 1; margin: 0; }
.nav > li { position: relative; }
.nav > li > a {
  display: flex; align-items: center; gap: 5px;
  color: rgba(255, 255, 255, .86);
  font-size: 15px; font-weight: 500;
  padding: 10px 18px; border-radius: 9px;
  transition: .2s;
}
.nav > li > a:hover, .nav > li.on > a { color: #fff; background: rgba(255, 255, 255, .1); }

.mega {
  position: absolute; top: calc(100% + 10px); left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #fff; border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg); border: 1px solid var(--line);
  padding: 22px; opacity: 0; visibility: hidden;
  transition: .22s ease; min-width: 300px;
}
.nav li:hover .mega, .nav li:focus-within .mega { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.mega.mega-wide { width: 640px; display: grid; grid-template-columns: 1fr 1fr; gap: 4px 26px; }
.mega-label { grid-column: 1 / -1; font-size: 11.5px; letter-spacing: 2px; color: var(--muted); font-weight: 600; margin: 8px 0 6px 12px; text-transform: uppercase; }
.mega a.mega-item {
  display: block; padding: 10px 12px; border-radius: 12px; transition: .18s;
}
.mega a.mega-item:hover { background: var(--bg-soft); }
.mega-all {
  grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between;
  margin-top: 10px; padding: 12px 14px 4px;
  border-top: 1px solid var(--line);
  font-size: 13.5px; font-weight: 600; color: var(--brand);
  transition: .2s;
}
.mega-all:hover { color: #1B3FD8; }
.mega-all .arr { transition: transform .2s; }
.mega-all:hover .arr { transform: translateX(4px); }
.mega-item b { display: block; font-size: 14.5px; color: var(--ink); font-weight: 600; }
.mega-item span { display: block; font-size: 12.5px; color: var(--muted); margin-top: 1px; }
.mega-item .en { color: var(--brand); font-size: 11px; font-weight: 600; letter-spacing: .5px; }

.top-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; margin-left: 0; }
/* 顶栏次级入口：纯文字 + 显隐细下划线 */
.toplink {
  position: relative; display: inline-block; padding: 6px 2px;
  font-size: 14px; font-weight: 500; letter-spacing: .3px;
  color: rgba(255,255,255,.7);
  transition: color .22s ease;
}
.toplink::after {
  content: ""; position: absolute; left: 2px; right: 2px; bottom: 0; height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,.85), rgba(0,194,255,.85));
  transform: scaleX(0); transform-origin: left center;
  transition: transform .32s cubic-bezier(.22,1,.36,1);
}
.toplink:hover { color: #fff; }
.toplink:hover::after { transform: scaleX(1); }
.top-sep { width: 1px; height: 15px; background: rgba(255,255,255,.16); }
.burger { display: none; background: none; border: 0; cursor: pointer; width: 42px; height: 42px; border-radius: 10px; }
.burger span { display: block; width: 20px; height: 2px; background: #fff; margin: 5px auto; border-radius: 2px; transition: .25s; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font); font-size: 15.5px; font-weight: 600;
  padding: 14px 30px; border-radius: 999px; border: 0; cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 26px rgba(46, 91, 255, .35); }
.btn-primary:hover { box-shadow: 0 14px 34px rgba(46, 91, 255, .48); }
.btn-ghost { background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.32); }
.btn-ghost:hover { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.55); }
.btn-plain { background: #fff; color: var(--brand); border: 1.5px solid rgba(46,91,255,.35); }
.btn-plain:hover { border-color: var(--brand); background: rgba(46,91,255,.05); }
.btn .arr { transition: transform .2s; }
.btn:hover .arr { transform: translateX(4px); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative; color: #fff;
  padding: 168px 0 96px;
  background: radial-gradient(1100px 520px at 78% -10%, rgba(46, 91, 255, .42), transparent 60%),
              radial-gradient(900px 480px at 8% 110%, rgba(0, 194, 255, .18), transparent 55%),
              linear-gradient(168deg, #060A24 0%, #0A103D 58%, #101A55 100%);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero .orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; pointer-events: none; animation: drift 14s ease-in-out infinite alternate; }
.orb-a { width: 460px; height: 460px; background: rgba(46,91,255,.55); top: -160px; right: -80px; }
.orb-b { width: 380px; height: 380px; background: rgba(0,194,255,.35); bottom: -180px; left: -110px; animation-delay: -6s; }
@keyframes drift { from { transform: translate(0,0) scale(1); } to { transform: translate(-34px, 26px) scale(1.07); } }

.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 56px; align-items: center; position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 1.5px; font-weight: 600;
  color: #9DB4FF; background: rgba(46,91,255,.16);
  border: 1px solid rgba(123,133,255,.35);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.hero h1 {
  font-size: clamp(32px, 4.3vw, 54px);
  line-height: 1.22; font-weight: 700; letter-spacing: .5px; margin-bottom: 22px;
}
.hero h1 .grad { background: linear-gradient(92deg, #6FA0FF, #00E0FF); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .sub { font-size: 17px; color: rgba(230, 236, 255, .82); max-width: 560px; margin-bottom: 34px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 36px; }
.hero-tags span, .hero-tags a {
  font-size: 12.5px; color: rgba(220,230,255,.85);
  border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.05);
  padding: 6px 14px; border-radius: 999px;
  transition: color .22s, border-color .22s, background .22s, transform .22s;
}
.hero-tags a:hover { color: #fff; border-color: rgba(59,224,255,.55); background: rgba(59,224,255,.12); transform: translateY(-1px); }
.hero-visual { position: relative; }
.hero-visual .float-card {
  position: absolute; background: rgba(13,20,58,.88); border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px; padding: 12px 16px; backdrop-filter: blur(8px);
  box-shadow: var(--shadow-lg); color: #fff; font-size: 12.5px; line-height: 1.5;
  animation: floaty 5.5s ease-in-out infinite;
}
.float-card b { display: block; font-size: 17px; background: linear-gradient(90deg,#7FA6FF,#3BE0FF); -webkit-background-clip: text; background-clip: text; color: transparent; }
.fc-1 { top: 8%; left: -26px; animation-delay: -1s; }
.fc-2 { bottom: 12%; right: -14px; animation-delay: -3s; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ---------------- 通用 section ---------------- */
.sec { padding: 96px 0; }
.sec-soft { background: var(--bg-soft); }
.sec-dark { background: linear-gradient(170deg, #070C2B, #0B1240 70%, #0E1750); color: #fff; }
.sec-head { max-width: 760px; margin: 0 auto 54px; text-align: center; }
.sec-head.left { text-align: left; margin-left: 0; }
.kicker {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 2.5px;
  color: var(--brand); text-transform: uppercase; margin-bottom: 14px;
}
.sec-dark .kicker { color: #6FA0FF; }
.sec h2 { font-size: clamp(26px, 3vw, 38px); line-height: 1.3; font-weight: 700; letter-spacing: .3px; }
.sec-dark h2 { color: #fff; }
.sec-head p { margin-top: 16px; color: var(--ink-soft); font-size: 16.5px; }
.sec-dark .sec-head p { color: rgba(224,232,255,.75); }

/* 卡片 */
.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.g5 { grid-template-columns: repeat(5, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(46,91,255,.32); }
.card h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--ink-soft); }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--brand); }
.card .more:hover { gap: 10px; } .card .more { transition: gap .2s; }
.card-top { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.card-num {
  font-size: 13px; font-weight: 800; color: var(--brand);
  background: rgba(46,91,255,.09); border: 1px solid rgba(46,91,255,.2);
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; flex-shrink: 0;
}
.icon-chip {
  width: 50px; height: 50px; border-radius: 14px; flex-shrink: 0;
  display: grid; place-items: center;
  background: linear-gradient(140deg, rgba(46,91,255,.12), rgba(0,194,255,.12));
  border: 1px solid rgba(46,91,255,.16);
}
.icon-chip svg { width: 25px; height: 25px; stroke: var(--brand); }
.sec-dark .card { background: rgba(255,255,255,.045); border-color: rgba(255,255,255,.11); box-shadow: none; }
.sec-dark .card:hover { border-color: rgba(111,160,255,.5); box-shadow: 0 18px 44px rgba(0,0,0,.35); }
.sec-dark .card h3 { color: #fff; }
.sec-dark .card p { color: rgba(216,226,255,.72); }
.sec-dark .icon-chip { background: rgba(111,160,255,.13); border-color: rgba(111,160,255,.3); }
.sec-dark .icon-chip svg { stroke: #7FA6FF; }
.sec-dark .card-num { color: #8FB0FF; background: rgba(111,160,255,.12); border-color: rgba(111,160,255,.3); }

/* 流程图 */
.flow { display: flex; align-items: stretch; gap: 0; flex-wrap: nowrap; overflow-x: auto; padding: 8px 2px 16px; }
.flow-step { flex: 1 1 0; min-width: 168px; position: relative; text-align: center; padding: 0 10px; }
.flow-step .dot {
  width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 50%;
  background: #fff; border: 2px solid rgba(46,91,255,.3);
  display: grid; place-items: center; position: relative; z-index: 2;
  box-shadow: var(--shadow-sm); transition: .25s;
}
.flow-step:hover .dot { border-color: var(--brand); box-shadow: 0 0 0 7px rgba(46,91,255,.1); }
.flow-step .dot svg { width: 26px; height: 26px; stroke: var(--brand); }
.flow-step::before {
  content: ""; position: absolute; top: 31px; left: calc(50% + 34px); right: calc(-50% + 34px);
  height: 2px; background: repeating-linear-gradient(90deg, rgba(46,91,255,.45) 0 7px, transparent 7px 14px);
}
.flow-step:last-child::before { display: none; }
.flow-step h4 { font-size: 15.5px; font-weight: 700; margin-bottom: 6px; }
.flow-step p { font-size: 12.8px; color: var(--muted); line-height: 1.55; }
.sec-dark .flow-step .dot { background: rgba(255,255,255,.06); border-color: rgba(111,160,255,.4); }
.sec-dark .flow-step .dot svg { stroke: #7FA6FF; }
.sec-dark .flow-step::before { background: repeating-linear-gradient(90deg, rgba(111,160,255,.4) 0 7px, transparent 7px 14px); }
.sec-dark .flow-step h4 { color: #fff; }
.sec-dark .flow-step p { color: rgba(210,222,255,.6); }

/* 左右分栏 */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.rev .split-visual { order: -1; }
.split h2 { margin-bottom: 18px; }
.split .lead { color: var(--ink-soft); font-size: 16px; margin-bottom: 26px; }
.tick-list li { display: flex; gap: 13px; padding: 11px 0; font-size: 15px; color: var(--ink); }
.tick-list li b { font-weight: 650; }
.tick-list .tk {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0; margin-top: 3px;
  background: rgba(46,91,255,.1); display: grid; place-items: center;
}
.tick-list .tk svg { width: 12px; height: 12px; stroke: var(--brand); }
.split-visual { position: relative; }
.visual-frame {
  border-radius: var(--r-xl); overflow: hidden;
  box-shadow: var(--shadow-lg); border: 1px solid var(--line);
  background: #fff;
}
.visual-frame svg { width: 100%; height: auto; }

/* 表格 */
.tbl-wrap { overflow-x: auto; border-radius: var(--r-lg); border: 1px solid var(--line); box-shadow: var(--shadow-sm); background: #fff; }
table.tbl { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 14.5px; }
.tbl th { background: var(--navy-900); color: #fff; text-align: left; padding: 15px 20px; font-weight: 600; white-space: nowrap; }
.tbl td { padding: 14px 20px; border-top: 1px solid var(--line); color: var(--ink-soft); vertical-align: top; }
.tbl tr:nth-child(even) td { background: #FAFBFE; }
.tbl td:first-child { font-weight: 600; color: var(--ink); white-space: nowrap; }
.chip { display: inline-block; font-size: 12px; font-weight: 600; padding: 3px 11px; border-radius: 999px; white-space: nowrap; }
.chip-blue { background: rgba(46,91,255,.1); color: var(--brand); }
.chip-green { background: rgba(16,163,110,.1); color: #0F8F62; }
.chip-gray { background: #EEF1F8; color: #7A829E; }
.chip-amber { background: rgba(222,138,30,.12); color: #B26A10; }

/* FAQ 手风琴 */
.faq { max-width: 860px; margin: 0 auto; }
.faq-item { border: 1px solid var(--line); border-radius: var(--r-md); background: #fff; margin-bottom: 14px; overflow: hidden; transition: box-shadow .2s; }
.faq-item.open { box-shadow: var(--shadow-md); border-color: rgba(46,91,255,.35); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; background: none; border: 0; cursor: pointer;
  font-family: var(--font); font-size: 16px; font-weight: 600; color: var(--ink); text-align: left;
}
.faq-q .pm { position: relative; width: 26px; height: 26px; border-radius: 50%; background: rgba(46,91,255,.09); flex-shrink: 0; }
.faq-q .pm::before, .faq-q .pm::after {
  content: ""; position: absolute; top: 50%; left: 50%; background: var(--brand); border-radius: 2px;
  transform: translate(-50%, -50%); transition: .25s;
}
.faq-q .pm::before { width: 12px; height: 2px; }
.faq-q .pm::after { width: 2px; height: 12px; }
.faq-item.open .pm::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a-inner { padding: 0 24px 22px; color: var(--ink-soft); font-size: 14.8px; }
.sec-dark .faq-item { background: rgba(255,255,255,.045); border-color: rgba(255,255,255,.12); }
.sec-dark .faq-q { color: #fff; }
.sec-dark .faq-a-inner { color: rgba(216,226,255,.75); }

/* 标签墙 / 能力矩阵 */
.tagwall { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.tagwall .tg {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 11px 18px; font-size: 14px; font-weight: 600; color: var(--ink);
  box-shadow: var(--shadow-sm); transition: .2s;
}
.tagwall .tg:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-3px); }
.tagwall .tg small { font-weight: 500; color: var(--muted); font-size: 12px; }
.marquee { overflow: hidden; position: relative; }
.marquee-track { display: flex; gap: 14px; width: max-content; animation: scrollx 36s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes scrollx { to { transform: translateX(-50%); } }

/* KPI */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.kpis.kpis-3 { width: calc(75% - 5px); margin-inline: auto; grid-template-columns: repeat(3, 1fr); }
.kpi {
  --kac: #3BE0FF; --kac2: #2E5BFF;
  position: relative; overflow: hidden; isolation: isolate;
  display: flex; flex-direction: column; min-height: 172px;
  padding: 20px 20px 34px; border-radius: 14px;
  background: rgba(26, 74, 185, .85);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border: 1px solid rgba(59, 224, 255, .12);
  box-shadow: 0 12px 28px rgba(6, 20, 72, .42), inset 0 0 0 1px rgba(255, 255, 255, .06);
  transition: transform .3s ease, box-shadow .3s ease, background .3s ease;
}
.kpi::before {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(180deg, rgba(26, 74, 185, .55) 0%, rgba(26, 74, 185, .12) 48%, rgba(26, 74, 185, 0) 100%);
}
.kpi:hover {
  transform: translateY(-4px); background: rgba(30, 84, 205, .9);
  box-shadow: 0 20px 40px rgba(6, 20, 72, .55), inset 0 0 0 1px rgba(59, 224, 255, .85);
}
.kpi-head {
  position: relative; z-index: 3; display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; color: #D6E4FF; letter-spacing: .2px;
}
.kpi-head svg { width: 16px; height: 16px; stroke: var(--kac); flex-shrink: 0; }
.kpi b {
  position: relative; z-index: 3; display: block; margin-top: auto;
  text-align: center; font-size: clamp(30px, 3vw, 42px); font-weight: 800; color: #fff;
  line-height: 1.08; letter-spacing: -.5px;
}
.kpi-note { position: relative; z-index: 3; display: block; margin-top: 7px; text-align: center; font-size: 12px; line-height: 1.5; color: rgba(255, 255, 255, .7); }
.kdeco { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 78%; z-index: 1; opacity: .42; transition: opacity .3s ease; }
.kpi:hover .kdeco { opacity: .62; }

/* 1) 底部小柱状：进场依次生长 */
.kbar { transform-box: fill-box; transform-origin: bottom; transform: scaleY(0); transition: transform .8s cubic-bezier(.2,.7,.25,1); }
.kpi.in .kbar { transform: scaleY(1); }
/* 2) 波浪：实线 + 虚线流动 */
.kwave { fill: none; stroke: var(--kac); stroke-width: 1.8; stroke-linecap: round; stroke-dasharray: 6 9; animation: kflow 10s linear infinite; }
.kwave.solid { stroke-dasharray: none; stroke: rgba(59, 224, 255, .75); animation: none; }
/* 3) 上升折线 + 光点 + 巡游点 */
.kline { fill: none; stroke: var(--kac); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 260; stroke-dashoffset: 260; transition: stroke-dashoffset 1.4s ease .3s; }
.kpi.in .kline { stroke-dashoffset: 0; }
.karea-line { opacity: 0; transition: opacity 1s ease .5s; }
.kpi.in .karea-line { opacity: 1; }
.kldot { fill: var(--kac); opacity: 0; transform-box: fill-box; transform-origin: center; transform: scale(0); transition: opacity .4s ease, transform .4s cubic-bezier(.2,.7,.3,1.4); }
.kpi.in .kldot { opacity: .9; transform: scale(1); }
.kldot.glow { animation: kglow 2.6s ease-in-out infinite; }
@keyframes kglow { 0%, 100% { opacity: .5; } 50% { opacity: 1; } }
.krun { opacity: 0; }
.kpi.in .krun { opacity: .9; }
/* 4) 虚线波浪 + 渐变区域：虚线流动 */
.kdash { fill: none; stroke: var(--kac); stroke-width: 1.8; stroke-dasharray: 5 9; stroke-linecap: round; animation: kflow 12s linear infinite; }
.karea { fill: rgba(59, 224, 255, .12); }
@keyframes kflow { to { stroke-dashoffset: -224; } }

@media (prefers-reduced-motion: reduce) {
  .kwave, .kdash, .kldot.glow { animation: none; }
  .krun { display: none; }
  .kbar { transition: none; transform: scaleY(1); }
  .kline { transition: none; stroke-dashoffset: 0; }
  .karea-line { transition: none; opacity: 1; }
  .kldot { transition: none; opacity: .9; transform: scale(1); }
}
@media (max-width: 640px) { .kpi { min-height: 146px; } .kdeco { height: 72%; opacity: .36; } }

/* ===== KPI 条：动效背景（网格 + 光斑 + 数据流折线） ===== */
.kpis-sec { position: relative; overflow: hidden; }
.kpi-bg { position: absolute; inset: 0; pointer-events: none; }
.kpi-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(122,150,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122,150,255,.07) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 72% 95% at 50% 42%, #000 28%, transparent 76%);
  mask-image: radial-gradient(ellipse 72% 95% at 50% 42%, #000 28%, transparent 76%);
}
.kpi-orb {
  position: absolute; width: 420px; height: 420px; border-radius: 50%;
  top: -170px; left: 10%;
  background: radial-gradient(circle, rgba(46,91,255,.34), transparent 65%);
  animation: korb 9s ease-in-out infinite alternate;
}
.kpi-orb.b {
  left: auto; right: 6%; top: auto; bottom: -210px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,168,232,.26), transparent 65%);
  animation-delay: -4.5s;
}
@keyframes korb {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(44px, 28px, 0) scale(1.12); }
}
.kpi-line { position: absolute; left: 0; bottom: 4px; width: 100%; height: 92px; opacity: .5; }
.kpi-line path { stroke-dasharray: 6 10; animation: kdash 26s linear infinite; }
@keyframes kdash { to { stroke-dashoffset: -640; } }
@media (prefers-reduced-motion: reduce) {
  .kpi-orb, .kpi-line path { animation: none; }
}

/* CTA band */
.cta-band {
  position: relative; border-radius: var(--r-xl); overflow: hidden; color: #fff;
  padding: 64px 56px;
  background: radial-gradient(760px 340px at 85% -20%, rgba(0,194,255,.4), transparent 60%),
              radial-gradient(600px 320px at 0% 120%, rgba(123,92,255,.35), transparent 55%),
              linear-gradient(120deg, #0A103D, #131C63);
}
.cta-band h2 { font-size: clamp(24px, 2.8vw, 34px); margin-bottom: 12px; }
.cta-band p { color: rgba(222,232,255,.8); max-width: 640px; margin-bottom: 30px; }

/* 表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.fld label { display: block; font-size: 13px; font-weight: 600; color: rgba(220,230,255,.85); margin-bottom: 7px; }
.fld input, .fld select, .fld textarea {
  width: 100%; font-family: var(--font); font-size: 14.5px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.2);
  border-radius: 11px; color: #fff; padding: 12px 15px; outline: none; transition: .2s;
}
.fld input::placeholder, .fld textarea::placeholder { color: rgba(220,230,255,.4); }
.fld input:focus, .fld select:focus, .fld textarea:focus { border-color: var(--cyan); background: rgba(255,255,255,.1); box-shadow: 0 0 0 4px rgba(0,194,255,.12); }
.fld select option { color: var(--ink); }
.form-note { font-size: 12.5px; color: rgba(220,230,255,.55); margin-top: 14px; }
.form-ok { display: none; margin-top: 16px; background: rgba(16,163,110,.16); border: 1px solid rgba(16,163,110,.45); color: #7CE8BD; padding: 13px 18px; border-radius: 11px; font-size: 14px; }

/* 案例卡片 */
.case-card { display: flex; flex-direction: column; }
.case-card .case-ind { font-size: 12px; font-weight: 700; letter-spacing: 1px; color: var(--brand); text-transform: uppercase; margin-bottom: 10px; }
.case-card h3 { font-size: 17.5px; }
.case-card .kw { display: flex; flex-wrap: wrap; gap: 7px; margin: 14px 0 4px; }
.case-card .kw span { font-size: 11.5px; background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink-soft); border-radius: 999px; padding: 3px 10px; }
.case-card .result { margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 13.5px; color: var(--ink-soft); }
.sec-dark .case-card .kw span { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.14); color: rgba(220,230,255,.8); }
.sec-dark .case-card .result { border-color: rgba(255,255,255,.14); color: rgba(216,226,255,.72); }

/* 页面小 hero（二级页） */
.mini-hero { position: relative; color: #fff; padding: 150px 0 84px; overflow: hidden;
  background: radial-gradient(900px 420px at 80% -20%, rgba(46,91,255,.4), transparent 60%),
              linear-gradient(165deg, #060A24 0%, #0A103D 62%, #101A55 100%);
}
.mini-hero::before { content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 25%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 25%, transparent 75%);
}
.mini-hero .crumb { position: relative; font-size: 13px; color: rgba(200,212,255,.6); margin-bottom: 20px; }
.mini-hero .crumb a:hover { color: #fff; }
.mini-hero .crumb i { font-style: normal; margin: 0 8px; opacity: .5; }
.mini-hero h1 { position: relative; font-size: clamp(28px, 3.6vw, 44px); font-weight: 700; margin-bottom: 16px; letter-spacing: .4px; }
.mini-hero .sub { position: relative; font-size: 16.5px; color: rgba(224,232,255,.8); max-width: 720px; }
.mini-hero .hero-ctas { position: relative; margin-top: 30px; }
.mini-hero .orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .45; }
.mini-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.mini-grid .solo { max-width: 860px; }

/* 面包屑（页面内） */
.crumbs { font-size: 13px; color: var(--muted); padding: 22px 0 0; }
.crumbs a { color: var(--muted); } .crumbs a:hover { color: var(--brand); }
.crumbs i { font-style: normal; margin: 0 8px; color: #C2C9DC; }

/* wiki / 资源列表 */
.res-group { margin-bottom: 40px; }
.res-group h3 { display: flex; align-items: center; gap: 10px; font-size: 18px; margin-bottom: 18px; }
.res-group h3 .cnt { font-size: 12px; color: var(--muted); font-weight: 500; }
.res-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.res-item { display: flex; align-items: center; gap: 13px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); padding: 15px 17px; transition: .2s; }
.res-item:hover { border-color: var(--brand); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.res-item .ic { width: 36px; height: 36px; border-radius: 10px; background: rgba(46,91,255,.08); display: grid; place-items: center; flex-shrink: 0; }
.res-item .ic svg { width: 18px; height: 18px; stroke: var(--brand); }
.res-item b { display: block; font-size: 14px; }
.res-item span { display: block; font-size: 12px; color: var(--muted); }
.res-item em.soon { margin-left: auto; font-style: normal; font-size: 11px; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 3px 9px; flex-shrink: 0; background: var(--bg-soft); }

/* 时间线（公司简介） */
.tl { position: relative; padding-left: 30px; }
.tl::before { content: ""; position: absolute; left: 8px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--brand), var(--cyan)); border-radius: 2px; }
.tl li { position: relative; padding: 0 0 26px 8px; }
.tl li::before { content: ""; position: absolute; left: -27px; top: 9px; width: 13px; height: 13px; border-radius: 50%; background: #fff; border: 3px solid var(--brand); }
.tl li b { display: block; font-size: 16px; }
.tl li span { font-size: 14px; color: var(--ink-soft); }

/* 页脚 */
footer { background: var(--navy-950); color: rgba(214,224,255,.72); padding: 76px 0 0; margin-top: 0; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 52px; }
.foot-brand { min-width: 0; }
.foot-brand p { font-size: 13.5px; margin-top: 16px; max-width: 280px; }
.foot-col h4 { color: #fff; font-size: 15px; margin-bottom: 18px; font-weight: 650; }
.foot-col a { display: block; font-size: 13.5px; padding: 5px 0; color: rgba(214,224,255,.62); transition: .15s; }
.foot-col a:hover { color: #fff; transform: translateX(3px); }
.foot-bar { border-top: 1px solid rgba(255,255,255,.09); padding: 22px 0; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: 12.5px; color: rgba(214,224,255,.45); }
.foot-contact li { display: flex; gap: 10px; font-size: 13.5px; padding: 5px 0; align-items: flex-start; min-width: 0; }
.foot-contact svg { width: 15px; height: 15px; stroke: #7FA6FF; flex-shrink: 0; margin-top: 4px; }
.foot-contact a { color: inherit; transition: color .2s; }
.foot-contact a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.foot-phones { display: flex; flex-wrap: wrap; gap: 2px 14px; min-width: 0; }
.foot-phones > span { white-space: nowrap; }
.foot-emails { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.foot-emails a { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.qr-row { display: flex; gap: 14px; margin-top: 22px; flex-wrap: wrap; }
.qr-card { margin: 0; width: 148px; padding: 12px 12px 14px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-sm); text-align: center; }
.qr-card img { width: 124px; height: 124px; display: block; margin: 0 auto; border-radius: 8px; }
.qr-card b { display: block; margin-top: 10px; font-size: 14px; font-weight: 650; line-height: 1.35; color: var(--ink); }
.qr-card span { display: block; margin-top: 2px; font-size: 12px; color: var(--muted); line-height: 1.4; }

/* 滚动进场动效 */
.rv { opacity: 0; transform: translateY(28px); transition: opacity .7s cubic-bezier(.2,.65,.3,1), transform .7s cubic-bezier(.2,.65,.3,1); }
.rv.in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .08s; } .rv-d2 { transition-delay: .16s; } .rv-d3 { transition-delay: .24s; } .rv-d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } .marquee-track { animation: none; } }

/* 响应式 */
@media (max-width: 1080px) {
  .nav { display: none; position: fixed; inset: 72px 0 0 0; background: var(--navy-950); flex-direction: column; align-items: stretch; padding: 18px 6vw 40px; overflow-y: auto; gap: 2px; }
  .nav.open { display: flex; }
  .nav > li > a { font-size: 17px; padding: 14px 10px; border-bottom: 1px solid rgba(255,255,255,.07); border-radius: 0; }
  .mega { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: 0; background: transparent; padding: 0 0 8px 12px; display: none; width: auto !important; grid-template-columns: 1fr; }
  .nav li.open-mega .mega { display: block; }
  .mega-item b { color: rgba(255,255,255,.85); } .mega-item span { color: rgba(214,224,255,.5); }
  .nav li { width: 100%; }
  .burger { display: block; margin-left: auto; }
  .top-cta { margin-left: 0; }
  .hero-grid, .mini-grid, .split { grid-template-columns: 1fr; gap: 44px; }
  .split.rev .split-visual { order: 0; }
  .g4, .g5 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .kpis, .kpis.kpis-3 { width: auto; grid-template-columns: repeat(2, 1fr); }
  .res-list { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: repeat(2, 1fr); }
  .fc-1 { left: 0; } .fc-2 { right: 0; }
}
@media (max-width: 640px) {
  .sec { padding: 64px 0; }
  .hero { padding: 128px 0 72px; }
  .mini-hero { padding: 126px 0 64px; }
  .g2, .g3, .g4, .g5 { grid-template-columns: 1fr; }
  .res-list { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 44px 26px; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .kpis { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .btn { width: 100%; } .hero-ctas { width: 100%; }
  .top-cta .btn-topline { display: none; }
}

/* ===== 证书墙 / 客户logo墙 / 用户引语 ===== */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cert-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 16px 16px 18px; box-shadow: var(--shadow-sm); transition: .25s ease; text-align: center;
}
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.cert-card .cert-img {
  aspect-ratio: 3 / 4; overflow: hidden; border-radius: var(--r-md);
  background: #F5F7FC; margin-bottom: 14px; display: flex; align-items: center; justify-content: center;
}
.cert-card .cert-img img { width: 100%; height: 100%; object-fit: contain; }
.cert-card b { display: block; font-size: 14.5px; }
.cert-card small { display: block; margin-top: 5px; font-size: 12px; color: var(--muted); }
.logo-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.logo-tile {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 22px 18px 14px; text-align: center; transition: .2s; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.logo-tile:hover { transform: translateY(-3px); border-color: rgba(46,91,255,.35); }
.logo-tile img { max-height: 56px; max-width: 100%; object-fit: contain; }
.logo-tile small { font-size: 12px; color: var(--muted); }
.quotes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.quote-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 26px 24px 20px; box-shadow: var(--shadow-sm);
}
.quote-card .qmark { font-size: 40px; line-height: 1; color: var(--brand); font-weight: 700; display: block; margin-bottom: 6px; }
.quote-card p { font-size: 14.5px; line-height: 1.8; color: var(--ink); }
.quote-card small { display: block; margin-top: 12px; font-size: 12.5px; color: var(--muted); }
@media (max-width: 1080px) { .cert-grid, .quotes-grid { grid-template-columns: 1fr 1fr; } .logo-wall { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .cert-grid, .quotes-grid, .logo-wall { grid-template-columns: 1fr; } }

/* ===== 官方合作伙伴卡片 =====
 */
.partners-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.partner-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 30px 28px 26px; box-shadow: var(--shadow-sm);
  transition: .25s ease; display: flex; flex-direction: column;
}
.partner-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(46,91,255,.35); }
.partner-card .p-logo {
  height: 84px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; padding: 10px 16px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
}
.partner-card .p-logo img { max-width: 100%; max-height: 62px; object-fit: contain; display: block; }
.partner-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.partner-card p { font-size: 14px; line-height: 1.75; color: var(--ink-soft); }
@media (max-width: 1080px) { .partners-grid { grid-template-columns: 1fr; max-width: 640px; margin: 0 auto; } }

/* ===== 价格卡片 / 博客 / 文章页 ===== */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.price-card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 34px 30px 30px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; transition: .25s ease; }
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.price-card h3 { font-size: 17px; font-weight: 700; }
.price-card.pc-hot { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand), var(--shadow-lg); }
.price-card.pc-hot::before { content: "推荐"; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--brand), #00C2FF); color: #fff; font-size: 12px; padding: 4px 14px; border-radius: 999px; letter-spacing: 2px; }
.pc-price { display: flex; align-items: baseline; gap: 4px; margin: 16px 0 6px; }
.pc-price em { font-style: normal; font-size: 20px; color: var(--brand); font-weight: 600; }
.pc-price b { font-size: 46px; line-height: 1; letter-spacing: -1px; }
.pc-price small { font-size: 14px; color: var(--muted); }
.price-card ul { list-style: none; margin: 16px 0 24px; display: grid; gap: 10px; }
.price-card ul li { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; color: var(--ink-soft); }
.price-card ul svg { width: 15px; height: 15px; stroke: var(--brand); flex-shrink: 0; margin-top: 3px; }
.price-card .btn { margin-top: auto; text-align: center; justify-content: center; }
.pc-note { text-align: center; margin-top: 22px; color: var(--muted); font-size: 13.5px; }
.blog-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-start; }
.blog-card h3 { font-size: 16px; line-height: 1.55; }
.blog-card p { font-size: 13.5px; color: var(--muted); margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.blog-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.blog-cat { font-size: 11.5px; color: var(--brand); background: rgba(46,91,255,.08); padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.blog-meta time { font-size: 12px; color: var(--muted); }

/* ===== 博客：新闻式列表 ===== */
.blog-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 22px;
}
.bcount { font-size: 13px; color: var(--muted); white-space: nowrap; }
.news-list {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm); overflow: hidden; scroll-margin-top: 96px;
}
.news-item {
  display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 24px;
  padding: 24px 30px; border-top: 1px solid var(--line);
  text-decoration: none; color: inherit; transition: background .22s ease;
}
.news-item:first-child { border-top: 0; }
.news-item:hover { background: #FAFBFF; }
.news-item.case-hide { display: none; }
.news-side { display: contents; }
.news-date {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 80px; border-radius: 12px; border: 1px solid #E1E9FB;
  background: linear-gradient(160deg, #F4F8FF, #E9F0FF);
  transition: border-color .22s ease, background .22s ease;
}
.news-date b { font-size: 24px; line-height: 1; color: var(--ink); letter-spacing: -.5px; font-variant-numeric: tabular-nums; }
.news-date span { font-size: 11px; color: var(--muted); margin-top: 5px; font-variant-numeric: tabular-nums; }
.news-item:hover .news-date { border-color: rgba(46,91,255,.4); background: linear-gradient(160deg, #EEF3FF, #DDE8FF); }
.news-item:hover .news-date b { color: var(--brand); }
.news-photo { display: none; }
.news-txt { min-width: 0; display: flex; flex-direction: column; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 9px; flex-wrap: wrap; }
.news-meta time { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.news-item h3 {
  font-size: 17.5px; line-height: 1.55; font-weight: 700; letter-spacing: -.2px;
  transition: color .2s ease;
}
.news-item:hover h3 { color: var(--brand); }
.news-item p {
  font-size: 13.5px; line-height: 1.8; color: var(--muted); margin-top: 7px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-more {
  margin-top: 10px; font-size: 12.5px; font-weight: 600; color: var(--brand);
  opacity: .55; transition: opacity .2s ease;
}
.news-more i { font-style: normal; margin-left: 3px; }
.news-item:hover .news-more { opacity: 1; }

/* 每页首条：头条大图 */
.news-item.lead { grid-template-columns: minmax(0, 320px) minmax(0, 1fr); padding: 28px 30px 30px; gap: 30px; background: #fff; }
.news-item.lead .news-date { display: none; }
.news-item.lead .news-photo {
  display: block; grid-column: 1; grid-row: 1; align-self: start;
  aspect-ratio: 16 / 10; border-radius: 14px; overflow: hidden; background: var(--bg-soft);
}
.news-item.lead .news-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.news-item.lead:hover .news-photo img { transform: scale(1.045); }
.news-item.lead h3 { font-size: 22px; line-height: 1.45; margin-top: 2px; }
.news-item.lead p { font-size: 14px; -webkit-line-clamp: 3; }
.news-item.lead .news-side { grid-column: 1; grid-row: 1; }
.news-item.lead .news-txt { grid-column: 2; grid-row: 1; }

@media (max-width: 900px) {
  .news-item.lead { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .news-item.lead .news-photo { grid-column: 1; grid-row: 1; }
  .news-item.lead .news-txt { grid-column: 1; grid-row: 2; }
  .news-item.lead h3 { font-size: 19px; }
}
@media (max-width: 640px) {
  .news-item { grid-template-columns: 62px minmax(0, 1fr); gap: 14px; padding: 20px 18px; }
  .news-date { height: 66px; }
  .news-date b { font-size: 19px; }
  .news-item h3 { font-size: 16px; }
  .news-item p { -webkit-line-clamp: 2; }
  .news-item.lead { padding: 20px 18px 24px; }
  .news-item.lead .news-photo { aspect-ratio: 16 / 9; }
}
.pgap { min-width: 24px; text-align: center; color: var(--muted); font-size: 14px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 272px; gap: 26px; max-width: 1120px; margin: 0 auto; align-items: start; }
.article-wrap { max-width: none; margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow-sm); padding: 46px clamp(22px, 5vw, 54px) 40px; }
.article-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.article-wrap h1 { font-size: clamp(24px, 3.4vw, 32px); line-height: 1.4; }
.article-body { margin-top: 26px; border-top: 1px solid var(--line); padding-top: 26px; }
.article-body h3 { font-size: 18px; margin: 30px 0 12px; padding-left: 12px; border-left: 3px solid var(--brand); scroll-margin-top: 92px; }
.article-body p { font-size: 15px; line-height: 1.95; color: var(--ink-soft); margin-bottom: 14px; }
.article-body ul { margin: 0 0 14px; padding-left: 22px; display: grid; gap: 8px; }
.article-body ul li { font-size: 15px; line-height: 1.85; color: var(--ink-soft); }
.article-body blockquote { border-left: 3px solid var(--brand); background: rgba(46,91,255,.05); padding: 14px 18px; border-radius: 0 10px 10px 0; font-size: 14.5px; color: var(--ink); margin-bottom: 14px; }
main a.ilink { color: var(--brand); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; text-decoration-color: rgba(46,91,255,.38); font-weight: 600; transition: text-decoration-color .2s, color .2s; }
main a.ilink:hover { color: #1B3FD8; text-decoration-color: currentColor; }
.sec-dark a.ilink, .mini-hero a.ilink, .hero a.ilink { color: #A8C1FF; text-decoration-color: rgba(168,193,255,.4); }
.sec-dark a.ilink:hover, .mini-hero a.ilink:hover, .hero a.ilink:hover { color: #fff; }
.article-body a.ilink { color: var(--brand); }
/* 文章标签 */
.article-tags { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 30px; padding-top: 20px; border-top: 1px dashed var(--line); }
.article-tags b { font-size: 12.5px; font-weight: 600; color: var(--muted); margin-right: 2px; }
.a-tag { font-size: 12px; color: var(--ink-soft); background: #F2F5FC; border: 1px solid var(--line); padding: 4px 11px; border-radius: 999px; transition: .2s ease; }
.a-tag:hover { color: var(--brand); border-color: rgba(46,91,255,.35); background: rgba(46,91,255,.06); }
/* 右侧栏 */
.article-side { position: sticky; top: 92px; display: grid; gap: 16px; }
.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); box-shadow: var(--shadow-sm); padding: 18px 18px 16px; }
.side-card h4 { display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.side-card h4 svg { width: 16px; height: 16px; color: var(--brand); flex-shrink: 0; }
.toc { display: grid; gap: 1px; max-height: 46vh; overflow: auto; }
.toc a { display: block; font-size: 13px; line-height: 1.55; color: var(--muted); padding: 7px 10px; border-left: 2px solid transparent; border-radius: 0 6px 6px 0; transition: color .2s ease, background .2s ease, border-color .2s ease; }
.toc a:hover { color: var(--brand); background: rgba(46,91,255,.05); }
.toc a.on { color: var(--brand); border-left-color: var(--brand); background: rgba(46,91,255,.07); font-weight: 600; }
.side-phone { background: linear-gradient(160deg, #0A103D 0%, #1A2C74 100%); border-color: transparent; }
.side-phone h4 { color: #fff; }
.side-phone h4 svg { color: #7FA6FF; }
.side-tel { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; padding: 9px 0; font-size: 17px; font-weight: 800; color: #fff; letter-spacing: .3px; border-bottom: 1px solid rgba(255,255,255,.1); }
.side-tel:hover { color: #7FA6FF; }
.side-tel small { font-size: 11px; font-weight: 500; color: rgba(200,215,255,.65); }
.side-hours { font-size: 12px; line-height: 1.6; color: rgba(200,215,255,.62); margin: 11px 0 14px; }
.side-phone .btn { width: 100%; justify-content: center; }
.article-nav { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; margin-top: 38px; border-top: 1px solid var(--line); padding-top: 22px; }
.an-cell { display: flex; flex-direction: column; gap: 4px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--r-md); transition: .2s; min-width: 0; }
a.an-cell:hover { border-color: var(--brand); box-shadow: var(--shadow-sm); }
.an-cell small { font-size: 11.5px; color: var(--muted); }
.an-cell b { font-size: 13px; line-height: 1.5; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.an-prev { align-items: flex-start; text-align: left; }
.an-next { align-items: flex-end; text-align: right; }
.an-back { justify-content: center; align-items: center; text-align: center; color: var(--brand); }
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; gap: 18px; max-width: 860px; }
  .article-side { position: static; grid-template-columns: 1fr 1fr; align-items: start; }
  .side-toc { display: none; }
  .toc { max-height: none; }
}
@media (max-width: 720px) { .article-side { grid-template-columns: 1fr; } .side-toc { display: block; } }
@media (max-width: 900px) { .price-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; } .article-nav { grid-template-columns: 1fr; } .an-next { align-items: flex-start; text-align: left; } .an-prev { align-items: flex-start; text-align: left; } }

/* ===== 组件库：检索 + 分类导航 =====

 */
.comp-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.comp-search {
  display: flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 12px 20px; flex: 1; min-width: 260px; max-width: 520px;
  box-shadow: var(--shadow-sm); transition: border-color .2s, box-shadow .2s;
}
.comp-search:focus-within { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(46,91,255,.1); }
.comp-search svg { width: 18px; height: 18px; stroke: var(--muted); flex-shrink: 0; }
.comp-search input { border: 0; outline: 0; background: none; font: inherit; font-size: 14.5px; width: 100%; color: var(--ink); }
.comp-search input::placeholder { color: var(--muted); }
.comp-clear { border: 0; background: var(--bg-soft); color: var(--muted); border-radius: 999px; width: 26px; height: 26px; cursor: pointer; font-size: 15px; line-height: 1; flex-shrink: 0; transition: .2s; }
.comp-clear:hover { color: var(--ink); background: rgba(46,91,255,.1); }
.comp-cats { display: grid; grid-template-columns: repeat(10, 1fr); gap: 10px; margin-bottom: 46px; }
.comp-cat {
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 16px 6px 13px; text-align: center; transition: .2s;
  box-shadow: var(--shadow-sm);
}
.comp-cat:hover { border-color: var(--brand); transform: translateY(-3px); }
.comp-cat .ic { width: 34px; height: 34px; border-radius: 10px; background: rgba(46,91,255,.08); display: grid; place-items: center; }
.comp-cat .ic svg { width: 17px; height: 17px; stroke: var(--brand); }
.comp-cat b { font-size: 12.5px; color: var(--ink); font-weight: 600; white-space: nowrap; }
.comp-cat small { font-size: 11px; color: var(--muted); }
.comp-group { scroll-margin-top: 96px; border-radius: var(--r-md); }
.comp-group h3 .gic { width: 30px; height: 30px; border-radius: 9px; background: rgba(46,91,255,.08); display: inline-grid; place-items: center; flex-shrink: 0; }
.comp-group h3 .gic svg { width: 15px; height: 15px; stroke: var(--brand); }
.comp-group.g-hide, .comp-cat.cat-hide, .tg.tg-hide { display: none; }
.comp-cat { cursor: pointer; }
.comp-cat.on { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand), var(--shadow-sm); }
.comp-cat.on .ic { background: linear-gradient(135deg, var(--brand), #00C2FF); box-shadow: 0 4px 12px rgba(46,91,255,.35); }
.comp-cat.on .ic svg { stroke: #fff; }
.comp-cat.on b { color: var(--brand); }
.comp-cat.on small { color: rgba(46,91,255,.7); }
.comp-empty { text-align: center; padding: 34px 0 10px; color: var(--muted); font-size: 14.5px; }
.comp-empty a { color: var(--brand); font-weight: 600; }
@keyframes catflash { 0% { background: rgba(46,91,255,.1); } 100% { background: transparent; } }
.comp-group.flash { animation: catflash 1.3s ease; }
@media (max-width: 1080px) { .comp-cats { grid-template-columns: repeat(5, 1fr); } .comp-cat b { font-size: 13.5px; } }
@media (max-width: 640px) { .comp-cats { grid-template-columns: repeat(2, 1fr); } .comp-toolbar { flex-direction: column; align-items: stretch; } .comp-search { max-width: none; } }

/* ===== 照片资产（AI 生成配图） ===== */
.case-cover {
  margin: -30px -28px 18px;
  aspect-ratio: 16 / 9; overflow: hidden;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  background: linear-gradient(140deg, #0A103D, #131C63);
}
.case-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.case-card:hover .case-cover img { transform: scale(1.045); }
.sec-dark .case-cover { border-bottom: 1px solid rgba(255,255,255,.08); }

.visual-frame.photo { padding: 0; background: #0A103D; }
.visual-frame.photo img { display: block; width: 100%; height: 100%; object-fit: cover; }
.hero-photo { aspect-ratio: 16 / 10; }
.split-photo { aspect-ratio: 4 / 3; }

@media (max-width: 640px) {
  .case-cover { margin: -30px -20px 16px; }
}

/* ===== 案例筛选器 ===== */
.filterbar {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 20px 24px 16px; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: 12px;
}
.frow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.flabel { font-size: 13px; color: var(--muted); font-weight: 600; margin-right: 4px; white-space: nowrap; }
.fchip {
  border: 1px solid var(--line); background: #F7F9FE; color: var(--ink-soft);
  border-radius: 999px; padding: 7px 16px; font-size: 13.5px; cursor: pointer;
  transition: all .2s ease; font-family: inherit;
}
.fchip:hover { border-color: rgba(46,91,255,.45); color: var(--brand); }
.fchip.on {
  background: var(--brand) linear-gradient(135deg, var(--brand), #00C2FF);
  color: #fff; border-color: transparent;
  box-shadow: 0 6px 16px rgba(46,91,255,.28);
}
.fcount { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.case-card.case-hide, .blog-card.case-hide { display: none; }
.case-empty {
  grid-column: 1 / -1; text-align: center; padding: 56px 20px;
  border: 1px dashed var(--line); border-radius: var(--r-lg); background: #FAFBFF;
}
.case-empty b { display: block; font-size: 17px; margin-bottom: 8px; }
.case-empty span { font-size: 14px; color: var(--muted); }


/* ===== 案例分页 ===== */
.pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 36px; }
.pbtn {
  min-width: 40px; height: 40px; padding: 0 12px;
  border-radius: 10px; border: 1px solid var(--line); background: #fff;
  color: var(--ink-soft); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all .2s ease; font-family: inherit;
}
.pbtn:hover:not(:disabled):not(.on) { border-color: rgba(46,91,255,.45); color: var(--brand); }
.pbtn.on {
  background: var(--brand) linear-gradient(135deg, var(--brand), #00C2FF);
  color: #fff; border-color: transparent;
  box-shadow: 0 6px 16px rgba(46,91,255,.28);
}
.pbtn:disabled { opacity: .35; cursor: default; }

/* 页脚客户服务链接 */
.foot-svc a { color: rgba(214,224,255,.68); text-decoration: none; border-bottom: 1px solid rgba(214,224,255,.2); transition: color .2s ease, border-color .2s ease; }
.foot-svc a:hover { color: #fff; border-color: rgba(255,255,255,.6); }

/* ===== 官方技术文档卡片 ===== */
.doc-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.doc-card {
  position: relative; display: flex; align-items: center; gap: 16px;
  padding: 22px 24px; border-radius: var(--r-md); background: #fff;
  border: 1px solid var(--line); text-decoration: none; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.doc-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--grad); opacity: .9;
}
.doc-card:hover { transform: translateY(-3px); border-color: rgba(46,91,255,.35); box-shadow: var(--shadow-md); }
.doc-ic {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; color: var(--brand);
  background: rgba(46,91,255,.08);
}
.doc-ic svg { width: 21px; height: 21px; }
.doc-txt { display: block; min-width: 0; }
.doc-tag {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .4px;
  color: var(--brand); background: rgba(46,91,255,.09);
  padding: 2px 8px; border-radius: 999px; margin-bottom: 7px;
}
.doc-txt b { display: block; font-size: 15.5px; color: var(--ink); line-height: 1.5; }
.doc-sub { display: block; margin-top: 6px; font-size: 13px; color: var(--muted); line-height: 1.6; }
.doc-go {
  margin-left: auto; flex-shrink: 0; font-size: 12px; color: var(--muted);
  display: flex; align-items: center; gap: 5px; white-space: nowrap;
}
.doc-go i { font-style: normal; color: var(--brand); transition: transform .2s ease; }
.doc-card:hover .doc-go i { transform: translate(2px, -2px); }
@media (max-width: 720px) {
  .doc-card { flex-wrap: wrap; padding: 18px 18px 18px 20px; }
  .doc-go { margin-left: 60px; }
}