/* ============================================================
   SNOWVILLE DATA · 数据终端设计系统 v3（2026-10-03 推倒重做）
   深空黑底 · 发丝线 · 等宽字体标签 · 实时终端 · 字符级动效
   ============================================================ */

:root {
  --bg: #07090d;
  --bg-2: #0a0d13;
  --panel: #0b0f16;
  --ink: #e8eef7;
  --muted: #9aa9bd;
  --dim: #5d6b80;
  --line: rgba(148, 180, 220, 0.13);
  --line-soft: rgba(148, 180, 220, 0.08);
  --blue: #4a9ee8;
  --blue-hi: #7cc0ff;
  --teal: #31d0b5;
  --amber: #e8c56a;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --wrap: 1240px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(74, 158, 232, 0.09), transparent 62%),
    radial-gradient(900px 560px at 8% 12%, rgba(49, 208, 181, 0.05), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

html, body { overflow-x: clip; }

::selection { background: rgba(74, 158, 232, 0.32); color: #fff; }

h1, h2, h3, p, dl, dd, dt, ul, ol { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ---------- 全局纵向网格线 ---------- */
.page-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  display: flex;
  justify-content: space-evenly;
  pointer-events: none;
}
.page-grid span {
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--line-soft) 12%, var(--line-soft) 88%, transparent);
}

/* ---------- 滚动进度条 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 80;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* ---------- 光标光晕 ---------- */
.cursor-glow {
  position: fixed;
  top: -320px;
  left: -320px;
  width: 640px;
  height: 640px;
  z-index: 30;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74, 158, 232, 0.13) 0%, rgba(49, 208, 181, 0.05) 42%, transparent 68%);
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.cursor-glow.is-active { opacity: 1; }
@media (hover: none), (pointer: coarse) { .cursor-glow { display: none; } }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 70;
  display: flex;
  align-items: center;
  gap: 36px;
  padding: 0 clamp(20px, 4vw, 56px);
  height: 68px;
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
}
.site-header.is-scrolled {
  background: rgba(7, 9, 13, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--line-soft);
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 30px; width: auto; }
.nav-links {
  display: flex;
  gap: 6px;
  margin-left: auto;
}
.nav-links a {
  position: relative;
  padding: 8px 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color 0.25s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 1px;
  background: var(--blue-hi);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.35s var(--ease-out);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); }
.language-toggle {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 16px;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.language-toggle:hover {
  color: var(--blue-hi);
  border-color: rgba(74, 158, 232, 0.45);
  background: rgba(74, 158, 232, 0.08);
}

/* ---------- 通用容器与节 ---------- */
main { position: relative; z-index: 1; }
.section {
  position: relative;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(88px, 11vw, 150px) clamp(20px, 4vw, 56px) 0;
}
.section:last-of-type { padding-bottom: clamp(88px, 10vw, 140px); }

.sec-label {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 26px;
}
.sec-index {
  color: var(--blue);
  font-weight: 600;
}
.sec-index::after { content: " /"; color: var(--dim); font-weight: 400; }
.sec-name { color: var(--muted); }

.sec-head { max-width: 760px; margin-bottom: clamp(44px, 6vw, 72px); }
.sec-head h2, .split-left h2 {
  font-size: clamp(1.9rem, 4.2vw, 3.1rem);
  line-height: 1.18;
  font-weight: 680;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.sec-sub { color: var(--muted); font-size: clamp(0.95rem, 1.4vw, 1.05rem); max-width: 640px; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  max-width: var(--wrap);
  margin: 0 auto;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px clamp(20px, 4vw, 56px) 40px;
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}
.hero-glow-a {
  width: 560px; height: 560px;
  top: -12%; right: 2%;
  background: radial-gradient(circle, rgba(74, 158, 232, 0.16), transparent 66%);
}
.hero-glow-b {
  width: 420px; height: 420px;
  bottom: -6%; left: -8%;
  background: radial-gradient(circle, rgba(49, 208, 181, 0.1), transparent 66%);
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}
.mono-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1px solid rgba(49, 208, 181, 0.3);
  background: rgba(49, 208, 181, 0.06);
  border-radius: 4px;
  padding: 7px 12px;
  margin-bottom: 30px;
}
.mono-tag::before { content: "[ "; color: var(--dim); }
.mono-tag::after { content: " ]"; color: var(--dim); }

.hero-title {
  font-size: clamp(2.5rem, 5.6vw, 4.6rem);
  line-height: 1.12;
  font-weight: 720;
  letter-spacing: -0.025em;
  margin-bottom: 26px;
}
.hero-copy {
  color: var(--muted);
  font-size: clamp(0.95rem, 1.35vw, 1.05rem);
  max-width: 560px;
  margin-bottom: 36px;
}

/* 字符级 reveal */
.split-ready .ch {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.55em);
  filter: blur(5px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.85s var(--ease-out),
    filter 0.7s ease;
  transition-delay: calc(var(--i) * 34ms);
}
.split-ready.in .ch { opacity: 1; transform: translateY(0); filter: blur(0); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 52px; }
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 14px 26px;
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease, color 0.3s ease;
}
.btn-primary {
  color: #06121f;
  background: linear-gradient(135deg, var(--blue-hi), var(--blue));
  box-shadow: 0 10px 34px rgba(74, 158, 232, 0.28);
  font-weight: 600;
}
.btn-primary::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: -80%;
  width: 45%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  transform: skewX(-18deg);
  transition: left 0.6s var(--ease-out);
}
.btn-primary:hover::after { left: 130%; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 44px rgba(74, 158, 232, 0.4); }
.btn-ghost {
  color: var(--muted);
  border: 1px solid var(--line);
  background: rgba(148, 180, 220, 0.03);
}
.btn-ghost:hover {
  color: var(--ink);
  border-color: rgba(74, 158, 232, 0.5);
  background: rgba(74, 158, 232, 0.07);
  transform: translateY(-2px);
}

/* 指标行 */
.metric-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 2vw, 26px);
  border-top: 1px solid var(--line-soft);
  padding-top: 26px;
}
.metric dt {
  order: 2;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--dim);
  margin-top: 8px;
}
.metric dd {
  order: 1;
  display: flex;
  align-items: baseline;
  font-family: var(--mono);
  font-size: clamp(1.7rem, 2.8vw, 2.4rem);
  font-weight: 650;
  color: var(--ink);
  line-height: 1;
}
.metric dd em, .metric dd i {
  font-style: normal;
  font-size: 0.52em;
  color: var(--blue-hi);
  margin-left: 4px;
}
.metric dd i { margin-left: 0; margin-right: 3px; color: var(--dim); }
.metric { display: flex; flex-direction: column; }

/* ---------- 终端窗口 ---------- */
.hero-terminal { position: relative; }
.term-window {
  position: relative;
  background: linear-gradient(180deg, rgba(17, 23, 34, 0.92), rgba(9, 12, 18, 0.96));
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(74, 158, 232, 0.05), 0 0 60px rgba(74, 158, 232, 0.06);
  overflow: hidden;
}
.term-titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(148, 180, 220, 0.03);
}
.term-dots { display: inline-flex; gap: 7px; }
.term-dots i {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #2a3444;
}
.term-dots i:nth-child(1) { background: rgba(232, 106, 106, 0.75); }
.term-dots i:nth-child(2) { background: rgba(232, 197, 106, 0.75); }
.term-dots i:nth-child(3) { background: rgba(49, 208, 181, 0.75); }
.term-title {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
  letter-spacing: 0.04em;
}
.term-badge {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--teal);
  border: 1px solid rgba(49, 208, 181, 0.35);
  border-radius: 3px;
  padding: 2px 7px;
  animation: badge-blink 2.4s ease-in-out infinite;
}
@keyframes badge-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.term-body {
  padding: 18px 18px 20px;
  font-family: var(--mono);
  font-size: 12.8px;
  line-height: 2.05;
  min-height: 342px;
  white-space: pre-wrap;
  word-break: break-all;
}
.tl { display: block; }
.t-prompt { color: var(--blue-hi); }
.t-time { color: var(--dim); }
.t-ok { color: var(--teal); font-weight: 600; }
.t-accent { color: var(--blue-hi); }
.t-dim { color: var(--dim); }
.t-warn { color: var(--amber); }
.t-caret {
  display: inline-block;
  width: 8px;
  height: 15px;
  margin-left: 3px;
  vertical-align: -2px;
  background: var(--teal);
  animation: caret-blink 1s steps(1) infinite;
}
@keyframes caret-blink { 0%, 55% { opacity: 1; } 56%, 100% { opacity: 0; } }
.tbar {
  display: inline-block;
  width: 120px;
  height: 9px;
  margin: 0 8px;
  vertical-align: -1px;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.tbar-fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  transition: width 0.12s linear;
}

.hero-hint {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--dim);
}
.hero-hint-line {
  width: 1px;
  height: 42px;
  background: linear-gradient(180deg, transparent, var(--blue));
  animation: hint-drop 2s var(--ease-out) infinite;
}
@keyframes hint-drop {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- MARQUEE ---------- */
.marquee {
  position: relative;
  z-index: 1;
  margin-top: clamp(40px, 6vw, 70px);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(148, 180, 220, 0.02);
  overflow: hidden;
  padding: 18px 0;
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 34px;
  width: max-content;
  animation: marquee-run 36s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee-run {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.mq-item {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.mq-sep { color: var(--blue); font-family: var(--mono); font-size: 12px; }

/* ---------- ABOUT（滚动逐字点亮） ---------- */
.about { max-width: var(--wrap); }
.about-statement {
  font-size: clamp(1.55rem, 3.3vw, 2.7rem);
  line-height: 1.5;
  font-weight: 620;
  letter-spacing: -0.01em;
  margin-bottom: 34px;
}
.about-statement .lt { opacity: 0.13; transition: opacity 0.3s linear; }
.about-statement .lt.on { opacity: 1; }
.about-sub { color: var(--muted); max-width: 720px; }

/* ---------- 服务 BENTO ---------- */
.service-bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.svc {
  position: relative;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(17, 23, 34, 0.5), rgba(10, 13, 19, 0.6));
  padding: clamp(24px, 3vw, 36px);
  overflow: hidden;
  transition: border-color 0.35s ease, background 0.35s ease, transform 0.35s var(--ease-out);
}
.svc:hover {
  border-color: rgba(74, 158, 232, 0.35);
  transform: translateY(-3px);
}
.svc h3 {
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  font-weight: 660;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.svc p { color: var(--muted); font-size: 0.94rem; margin-bottom: 20px; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.svc-tags span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--blue-hi);
  border: 1px solid rgba(74, 158, 232, 0.28);
  background: rgba(74, 158, 232, 0.06);
  border-radius: 3px;
  padding: 4px 10px;
}
.svc-a {
  grid-column: span 6;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}
.svc-a .svc-visual { order: 2; }
.svc-a h3, .svc-a p, .svc-a .svc-tags { grid-column: 1; }
.svc-a h3 { grid-row: 1; }
.svc-a p { grid-row: 2; }
.svc-a .svc-tags { grid-row: 3; }
.svc-a .svc-visual { grid-row: 1 / 4; }
.svc-b, .svc-c { grid-column: span 3; }

.svc-visual {
  position: relative;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: rgba(7, 9, 13, 0.55);
  min-height: 190px;
  overflow: hidden;
}
.svc-a .svc-visual { min-height: 290px; }
/* 标注工作台（svc-a 多模态） */
.wb {
  position: absolute; inset: 0;
  display: grid; grid-template-columns: 1fr 138px; grid-template-rows: 1fr 36px;
}
.wb-canvas {
  position: relative; margin: 14px; border-radius: 8px; overflow: hidden;
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(circle at 32% 36%, rgba(96, 122, 152, 0.50), transparent 46%),
    radial-gradient(circle at 72% 64%, rgba(58, 88, 118, 0.55), transparent 52%),
    radial-gradient(circle at 55% 30%, rgba(120, 140, 160, 0.20), transparent 30%),
    linear-gradient(160deg, #141b28, #0a0e15);
}
.wb-canvas::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 26px 26px;
}
.wb-box, .wb-box2 { position: absolute; border-radius: 4px; z-index: 2; }
.wb-box {
  width: 34%; height: 38%; left: 14%; top: 18%;
  border: 1.5px solid var(--blue-hi);
  box-shadow: 0 0 14px rgba(74, 158, 232, 0.45), inset 0 0 10px rgba(74, 158, 232, 0.12);
  animation: wb-roam 8s ease-in-out infinite alternate;
}
.wb-box::before {
  content: "obj_01 · 98.2%"; position: absolute; top: -18px; left: -1.5px;
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.06em; white-space: nowrap;
  color: #0a0e15; background: var(--blue-hi); padding: 2px 6px; border-radius: 3px 3px 3px 0;
}
.wb-box2 {
  width: 22%; height: 24%; right: 16%; bottom: 16%;
  border: 1.5px solid var(--teal);
  box-shadow: 0 0 12px rgba(49, 208, 181, 0.40);
  animation: wb-roam2 9s ease-in-out infinite alternate;
}
.wb-box2::before {
  content: "obj_02 · 96.7%"; position: absolute; top: -18px; right: -1.5px;
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.06em; white-space: nowrap;
  color: #0a0e15; background: var(--teal); padding: 2px 6px; border-radius: 3px 3px 0 3px;
}
@keyframes wb-roam {
  0% { transform: translate(0, 0); } 45% { transform: translate(26%, 14%); }
  70% { transform: translate(18%, 44%); } 100% { transform: translate(-8%, 26%); }
}
@keyframes wb-roam2 {
  0% { transform: translate(0, 0); } 50% { transform: translate(-30%, -18%); }
  100% { transform: translate(-12%, 12%); }
}
.wb-panel {
  border-left: 1px solid var(--line-soft); padding: 16px 12px;
  display: flex; flex-direction: column; gap: 14px; background: rgba(9, 12, 18, 0.6);
}
.wb-panel-head { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.14em; color: var(--dim); }
.wb-row { display: flex; flex-direction: column; gap: 5px; }
.wb-row span { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 10.5px; color: var(--muted); }
.wb-row em { font-style: normal; }
.wb-bar { height: 3px; border-radius: 2px; background: rgba(255, 255, 255, 0.08); overflow: hidden; }
.wb-bar i { display: block; height: 100%; border-radius: 2px; background: var(--blue-hi); animation: wb-fill 4s var(--ease-out) infinite alternate; }
.wb-row:nth-child(3) .wb-bar i { background: var(--teal); animation-delay: 0.6s; }
.wb-row:nth-child(4) .wb-bar i { background: #8ab6e8; animation-delay: 1.2s; }
@keyframes wb-fill { from { width: 30%; } to { width: var(--p, 90%); } }
.wb-toolbar {
  grid-column: 1 / 3; border-top: 1px solid var(--line-soft);
  display: flex; align-items: center; gap: 7px; padding: 0 14px; background: rgba(9, 12, 18, 0.6);
}
.wb-tool { width: 12px; height: 12px; border: 1px solid var(--dim); border-radius: 3px; opacity: 0.6; }
.wb-tool.on { border-color: var(--blue-hi); box-shadow: 0 0 8px rgba(74, 158, 232, 0.5); opacity: 1; }
.wb-timeline { flex: 1; height: 3px; margin-left: 10px; border-radius: 2px; background: rgba(255, 255, 255, 0.08); position: relative; }
.wb-timeline i {
  position: absolute; top: -2.5px; width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue-hi); box-shadow: 0 0 8px rgba(122, 190, 255, 0.8);
  animation: wb-play 6s linear infinite;
}
@keyframes wb-play { from { left: 0; } to { left: calc(100% - 8px); } }

/* 语言胶囊跑马灯（svc-b 海外多语言） */
.chips-visual {
  height: 170px; min-height: 0; display: flex; flex-direction: column;
  justify-content: center; gap: 12px; padding: 18px 0;
}
.chips-visual::before, .chips-visual::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 56px; z-index: 2; pointer-events: none;
}
.chips-visual::before { left: 0; background: linear-gradient(90deg, #090c12, transparent); }
.chips-visual::after { right: 0; background: linear-gradient(270deg, #090c12, transparent); }
.chips-row { display: flex; width: max-content; animation: chips-run 18s linear infinite; }
.chips-row.r2 { animation: chips-run-r 23s linear infinite; }
.chips-visual:hover .chips-row { animation-play-state: paused; }
@keyframes chips-run { to { transform: translateX(-50%); } }
@keyframes chips-run-r { from { transform: translateX(-50%); } to { transform: translateX(0); } }
.chip {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; white-space: nowrap;
  margin-right: 10px;
  color: rgba(94, 224, 199, 0.85); border: 1px solid rgba(49, 208, 181, 0.35);
  border-radius: 999px; padding: 6px 14px; background: rgba(49, 208, 181, 0.06);
}
.chip.hot {
  color: var(--blue-hi); border-color: rgba(122, 190, 255, 0.55);
  background: rgba(74, 158, 232, 0.08); box-shadow: 0 0 12px rgba(74, 158, 232, 0.22);
}

/* 成品库清单（svc-c 垂类成品数据集） */
.dsv-visual { height: 170px; min-height: 0; }
.dsv-list { display: flex; flex-direction: column; padding: 16px 18px; animation: dsv-run 15s linear infinite; }
.dsv-visual:hover .dsv-list { animation-play-state: paused; }
@keyframes dsv-run { to { transform: translateY(-50%); } }
.dsv-row {
  display: flex; align-items: center; gap: 10px; margin-bottom: 9px;
  font-family: var(--mono); font-size: 11.5px;
}
.dsv-ic { width: 8px; height: 8px; border-radius: 2px; flex: none; }
.dsv-ic.i-a { background: var(--blue); box-shadow: 0 0 6px rgba(74, 158, 232, 0.5); }
.dsv-ic.i-b { background: var(--teal); box-shadow: 0 0 6px rgba(49, 208, 181, 0.5); }
.dsv-name { color: var(--muted); letter-spacing: 0.04em; }
.dsv-n { margin-left: auto; color: var(--blue-hi); }
.dsv-ok { color: var(--teal); text-shadow: 0 0 6px rgba(49, 208, 181, 0.6); }
.dsv-visual::before, .dsv-visual::after {
  content: ""; position: absolute; left: 0; right: 0; height: 40px; z-index: 2; pointer-events: none;
}
.dsv-visual::before { top: 0; background: linear-gradient(180deg, #090c12, transparent); }
.dsv-visual::after { bottom: 0; background: linear-gradient(0deg, #090c12, transparent); }
.dsv-scan {
  position: absolute; left: 8%; right: 8%; height: 1.5px; z-index: 1;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  box-shadow: 0 0 16px rgba(49, 208, 181, 0.5);
  animation: dsv-scan 3.6s var(--ease-out) infinite;
}
@keyframes dsv-scan {
  0% { top: 14%; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { top: 86%; opacity: 0; }
}

/* ---------- 能力发丝网格 ---------- */
.cap-grid, .ind-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  overflow: hidden;
}
.cap-cell, .ind-cell {
  position: relative;
  background: var(--bg-2);
  padding: clamp(26px, 3vw, 38px);
  transition: background 0.35s ease;
}
.cap-cell:hover, .ind-cell:hover { background: #0d1119; }
.cap-cell::before, .cap-cell::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.35s var(--ease-out);
  pointer-events: none;
}
.cap-cell::before {
  top: 10px; left: 10px;
  border-top: 1.5px solid var(--blue-hi);
  border-left: 1.5px solid var(--blue-hi);
  transform: translate(6px, 6px);
}
.cap-cell::after {
  bottom: 10px; right: 10px;
  border-bottom: 1.5px solid var(--blue-hi);
  border-right: 1.5px solid var(--blue-hi);
  transform: translate(-6px, -6px);
}
.cap-cell:hover::before, .cap-cell:hover::after { opacity: 1; transform: translate(0, 0); }
.cap-idx {
  position: absolute;
  top: 22px;
  right: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--dim);
}
.cap-icon {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 9px;
  margin-bottom: 22px;
  transition: color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s var(--ease-out);
}
.cap-icon svg { width: 22px; height: 22px; }
.cap-cell:hover .cap-icon, .ind-cell:hover .cap-icon {
  color: var(--blue-hi);
  border-color: rgba(74, 158, 232, 0.45);
  box-shadow: 0 0 22px rgba(74, 158, 232, 0.18);
  transform: translateY(-3px);
}
.cap-cell h3, .ind-cell h3 {
  font-size: 1.08rem;
  font-weight: 640;
  margin-bottom: 9px;
}
.cap-cell p, .ind-cell p { color: var(--muted); font-size: 0.9rem; line-height: 1.65; }

/* ---------- 数据集索引表 ---------- */
.ds-table {
  border-top: 1px solid var(--line);
}
.ds-row {
  position: relative;
  display: grid;
  grid-template-columns: 84px 108px 1fr auto 46px;
  align-items: center;
  gap: clamp(14px, 2.4vw, 30px);
  padding: 24px 18px;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.3s ease;
}
.ds-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--blue), var(--teal));
  transform: scaleY(0);
  transition: transform 0.35s var(--ease-out);
}
.ds-row:hover { background: linear-gradient(90deg, rgba(74, 158, 232, 0.05), transparent 55%); }
.ds-row:hover::before { transform: scaleY(1); }
.ds-no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
  letter-spacing: 0.08em;
}
.ds-type {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--teal);
  border: 1px solid rgba(49, 208, 181, 0.3);
  border-radius: 3px;
  padding: 3px 9px;
  text-align: center;
  white-space: nowrap;
  justify-self: start;
}
.ds-main h3 {
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  font-weight: 620;
  margin-bottom: 2px;
  transition: color 0.3s ease;
}
.ds-row:hover .ds-main h3 { color: var(--blue-hi); }
.ds-main p {
  color: var(--dim);
  font-size: 0.86rem;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-4px);
  transition: max-height 0.45s var(--ease-out), opacity 0.35s ease, transform 0.4s var(--ease-out), margin 0.4s ease;
}
.ds-row:hover .ds-main p, .ds-row:focus-visible .ds-main p {
  max-height: 80px;
  opacity: 1;
  transform: translateY(0);
  margin-top: 8px;
}
.ds-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}
.ds-arrow {
  font-family: var(--mono);
  color: var(--dim);
  font-size: 15px;
  transition: transform 0.35s var(--ease-out), color 0.3s ease;
}
.ds-row:hover .ds-arrow { transform: translateX(8px); color: var(--blue-hi); }
.ds-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: 34px;
  color: var(--muted);
  font-size: 0.92rem;
}

/* ---------- 定制数据 split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: start;
}
.check-list { border-top: 1px solid var(--line); }
.check-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 19px 6px;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.3s ease, padding-left 0.35s var(--ease-out);
}
.check-list li:hover { background: rgba(74, 158, 232, 0.04); padding-left: 14px; }
.ck, .ck-mark { font-family: var(--mono); color: var(--dim); }
.ck-mark { color: var(--teal); font-weight: 700; margin-left: -14px; }
.check-list p { color: var(--muted); font-size: 0.95rem; }

/* ---------- 优势大数字条 ---------- */
.why-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  overflow: hidden;
}
.why-row article {
  background: var(--bg-2);
  padding: clamp(24px, 2.6vw, 34px);
  transition: background 0.35s ease;
}
.why-row article:hover { background: #0d1119; }
.why-no {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 650;
  color: transparent;
  -webkit-text-stroke: 1px rgba(124, 192, 255, 0.4);
  margin-bottom: 18px;
  transition: color 0.4s ease, -webkit-text-stroke-color 0.4s ease;
}
.why-row article:hover .why-no {
  color: var(--blue-hi);
  -webkit-text-stroke-color: transparent;
}
.why-row h3 { font-size: 1.02rem; font-weight: 640; margin-bottom: 10px; }
.why-row p { color: var(--muted); font-size: 0.87rem; line-height: 1.65; }

/* ---------- 方案 ---------- */
.ind-grid { grid-template-columns: repeat(4, 1fr); margin-bottom: 26px; }
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; }
.pill-row span {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease, transform 0.3s var(--ease-out);
}
.pill-row span:hover {
  color: var(--blue-hi);
  border-color: rgba(74, 158, 232, 0.45);
  background: rgba(74, 158, 232, 0.07);
  transform: translateY(-2px);
}

/* ---------- 流程时间线 ---------- */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(18px, 2.4vw, 30px);
  padding-top: 34px;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}
.timeline::after {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 2.2s var(--ease-out);
}
.timeline.in::after { transform: scaleX(1); }
.timeline li { position: relative; }
.timeline li::before {
  content: "";
  position: absolute;
  top: -30px;
  left: 2px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--dim);
  transition: border-color 0.4s ease, box-shadow 0.4s ease, background 0.4s ease;
}
.timeline.in li::before {
  border-color: var(--blue-hi);
  box-shadow: 0 0 12px rgba(74, 158, 232, 0.5);
  background: #0d1622;
}
.tl-no {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--blue);
  margin-bottom: 12px;
}
.timeline h3 { font-size: 1rem; font-weight: 640; margin-bottom: 8px; }
.timeline p { color: var(--muted); font-size: 0.85rem; line-height: 1.6; }

/* ---------- 联系（终端输出风） ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: stretch;
}
.contact-term {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(17, 23, 34, 0.85), rgba(9, 12, 18, 0.92));
  overflow: hidden;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
}
.contact-output { padding: 26px clamp(22px, 3vw, 36px) 10px; }
.co-line {
  display: grid;
  grid-template-columns: minmax(150px, 210px) 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line-soft);
}
.co-line:last-child { border-bottom: 0; }
.co-key {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--dim);
}
.co-val { font-size: 0.98rem; color: var(--ink); }
.co-head { font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 680; letter-spacing: -0.01em; }
.co-link {
  font-family: var(--mono);
  color: var(--blue-hi);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, color 0.3s ease;
}
.co-link:hover { border-bottom-color: var(--blue-hi); color: #a8d6ff; }
.contact-cta { align-self: flex-start; margin: 22px clamp(22px, 3vw, 36px) 30px; }

.contact-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: rgba(148, 180, 220, 0.025);
  padding: clamp(24px, 3vw, 36px);
}
.qr-card {
  background: #fff;
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.08);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease;
}
.qr-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.55), 0 0 40px rgba(74, 158, 232, 0.22);
}
.qr-image { width: clamp(150px, 16vw, 190px); height: auto; }
.qr-caption {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.qr-caption-icon { width: 16px; height: 16px; color: var(--teal); }

/* 二维码弹窗 */
.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-modal[hidden] { display: none; }
.qr-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 6, 10, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.qr-modal-card {
  position: relative;
  background: #fff;
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 40px 110px rgba(0, 0, 0, 0.6);
  animation: qr-pop 0.4s var(--ease-out);
}
@keyframes qr-pop {
  from { opacity: 0; transform: scale(0.9) translateY(14px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.qr-modal-card img { width: min(74vw, 330px); height: auto; }
.qr-modal-close {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #10151f;
  color: #fff;
  font-size: 18px;
  line-height: 1;
  border: 1px solid var(--line);
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 30px clamp(20px, 4vw, 56px) 38px;
  border-top: 1px solid var(--line-soft);
  color: var(--dim);
  font-size: 13px;
}
.footer-mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.05em; }

/* ---------- 通用 reveal ---------- */
.rv {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.75s ease, transform 0.9s var(--ease-out);
  transition-delay: var(--rv-d, 0ms);
}
.rv.in { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .why-row { grid-template-columns: repeat(3, 1fr); }
  .ind-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(3, 1fr); row-gap: 44px; }
  .timeline::before, .timeline::after { display: none; }
  .timeline li::before { top: -22px; }
  .timeline { padding-top: 30px; }
}

@media (max-width: 960px) {
  .hero { min-height: auto; padding-top: 130px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-terminal { max-width: 620px; }
  .hero-hint { display: none; }
  .svc-a { grid-template-columns: 1fr; }
  .svc-a .svc-visual { grid-row: auto; order: -1; margin-bottom: 22px; }
  .svc-a h3, .svc-a p, .svc-a .svc-tags { grid-column: auto; grid-row: auto; }
  .svc-b, .svc-c { grid-column: span 6; }
  .split { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .ds-row { grid-template-columns: 64px 1fr auto; }
  .ds-type { display: none; }
  .ds-no { font-size: 11px; }
  .ds-main p { max-height: none; opacity: 1; transform: none; margin-top: 6px; }
  .ds-arrow { display: none; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .language-toggle { margin-left: auto; }
}

@media (max-width: 720px) {
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .metric-row { grid-template-columns: repeat(2, 1fr); row-gap: 26px; }
  .why-row { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; row-gap: 34px; }
  .term-body { min-height: 300px; font-size: 11.8px; }
  .co-line { grid-template-columns: 1fr; gap: 2px; }
  .page-grid span:nth-child(2), .page-grid span:nth-child(4) { display: none; }
}

@media (max-width: 560px) {
  .cap-grid, .ind-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .hero-title { font-size: 2.08rem; letter-spacing: -0.015em; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv, .split-ready .ch { opacity: 1 !important; transform: none !important; filter: none !important; transition: none !important; }
  .about-statement .lt { opacity: 1 !important; }
  .marquee-track, .chips-row, .dsv-list, .dsv-scan, .wb-box, .wb-box2,
  .wb-bar i, .wb-timeline i, .hero-hint-line, .term-badge, .t-caret { animation: none !important; }
  .timeline::after { transform: scaleX(1) !important; transition: none; }
  .timeline li::before { border-color: var(--blue-hi); }
  .cursor-glow { display: none; }
  .scroll-progress { display: none; }
}