/* ============================================================
   N8-MES · 企业生产管理系统 官网
   Design System / 深空科技风
   ============================================================ */

:root {
  --bg: #04070e;
  --bg-2: #060c17;
  --bg-3: #0a1424;
  --panel: rgba(12, 22, 40, 0.66);
  --panel-2: rgba(10, 18, 34, 0.9);
  --ink: #eef4ff;
  --ink-2: #a6b8d2;
  --ink-3: #64789a;
  --line: rgba(120, 170, 255, 0.12);
  --line-2: rgba(120, 170, 255, 0.26);
  --cyan: #2ee6ff;
  --blue: #3b7bff;
  --violet: #8b5cf6;
  --amber: #ffb020;
  --red: #ff3b52;
  --green: #2fe08a;
  --max: 1240px;
  --r: 18px;
  --nav-h: 70px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --mono: "JetBrains Mono", "SFMono-Regular", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}

body.ready { opacity: 1; }

/* 全局背景光 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(900px 620px at 78% -8%, rgba(46, 230, 255, 0.16), transparent 62%),
    radial-gradient(760px 560px at 8% 8%, rgba(139, 92, 246, 0.14), transparent 60%),
    radial-gradient(700px 700px at 50% 110%, rgba(59, 123, 255, 0.12), transparent 65%),
    linear-gradient(180deg, #04070e 0%, #050a13 45%, #04070e 100%);
  pointer-events: none;
}

/* 细网格 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(120, 170, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 170, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  pointer-events: none;
}

::selection { background: rgba(46, 230, 255, 0.28); color: #fff; }

:focus-visible {
  outline: 2px solid rgba(46, 230, 255, 0.75);
  outline-offset: 3px;
  border-radius: 4px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #05080f; }
::-webkit-scrollbar-thumb { background: #1b2b45; border-radius: 8px; border: 2px solid #05080f; }
::-webkit-scrollbar-thumb:hover { background: #2a4368; }

/* ============================ 布局 ============================ */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.stage {
  position: relative;
  padding: 92px 0;
}

.stage.tight { padding: 64px 0; }
.stage.flush { padding-top: 40px; }

/* ============================ 滚动进度 ============================ */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  z-index: 120;
  background: linear-gradient(90deg, var(--cyan), var(--blue) 50%, var(--violet));
  box-shadow: 0 0 14px rgba(46, 230, 255, 0.7);
}

/* ============================ 导航 ============================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background 0.35s, border-color 0.35s, backdrop-filter 0.35s;
}

.nav.scrolled {
  background: rgba(5, 9, 17, 0.82);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--line);
}

.nav-inner {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 26px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  font-family: var(--mono);
  font-weight: 800;
  font-size: 25px;
  letter-spacing: -0.06em;
  color: #ff2d46;
  text-shadow: 0 0 22px rgba(255, 45, 70, 0.55);
  line-height: 1;
}

.brand-txt {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-txt b {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.brand-txt span {
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-item { position: relative; }

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 9px 13px;
  font-size: 14px;
  color: var(--ink-2);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
  cursor: pointer;
}

.nav-link:hover,
.nav-item:hover .nav-link {
  color: #fff;
  background: rgba(120, 170, 255, 0.08);
}

.nav-link.on { color: var(--cyan); }

.nav-link .caret {
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -5px;
  opacity: 0.6;
}

.drop {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 218px;
  padding: 8px;
  background: rgba(8, 14, 26, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s, transform 0.22s, visibility 0.22s;
}

.nav-item:hover .drop {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.drop a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  font-size: 13.5px;
  color: var(--ink-2);
  border-radius: 9px;
  transition: background 0.18s, color 0.18s;
}

.drop a:hover { background: rgba(46, 230, 255, 0.09); color: #fff; }
.drop a small { color: var(--ink-3); font-size: 11px; font-family: var(--mono); }

.nav-cta {
  margin-left: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  font-size: 13.5px;
  font-weight: 600;
  border-radius: 999px;
  color: #041018;
  background: linear-gradient(120deg, var(--cyan), #6ee7ff 45%, #9df1ff);
  box-shadow: 0 8px 28px rgba(46, 230, 255, 0.3);
  transition: transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 34px rgba(46, 230, 255, 0.45);
}

.burger {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(12, 22, 40, 0.6);
  cursor: pointer;
  position: relative;
}

.burger i {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.25s, opacity 0.25s;
}

.burger i:nth-child(1) { top: 15px; }
.burger i:nth-child(2) { top: 20px; }
.burger i:nth-child(3) { top: 25px; }
.burger.open i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger.open i:nth-child(2) { opacity: 0; }
.burger.open i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 移动菜单 */
.mobile-menu {
  position: fixed;
  inset: var(--nav-h) 0 0;
  z-index: 99;
  background: rgba(4, 7, 14, 0.97);
  backdrop-filter: blur(20px);
  padding: 26px 24px 60px;
  overflow-y: auto;
  display: none;
  opacity: 0;
  transition: opacity 0.28s;
}

.mobile-menu.show { display: block; opacity: 1; }
.mobile-menu h6 {
  margin: 22px 0 8px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.mobile-menu a {
  display: block;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  color: var(--ink);
}

/* ============================ 通用文字 ============================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 20px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.h1 { font-size: clamp(38px, 6.2vw, 78px); font-weight: 700; letter-spacing: -0.035em; }
.h2 { font-size: clamp(28px, 3.6vw, 46px); font-weight: 700; letter-spacing: -0.03em; }
.h3 { font-size: clamp(20px, 2vw, 26px); }
.h4 { font-size: 18px; }

.lead {
  font-size: clamp(15px, 1.25vw, 17.5px);
  color: var(--ink-2);
  max-width: 760px;
  line-height: 1.9;
}

.muted { color: var(--ink-3); }
.small { font-size: 13px; }

.grad {
  background: linear-gradient(100deg, #d9f6ff 0%, var(--cyan) 42%, var(--blue) 72%, #a78bfa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mono { font-family: var(--mono); }

.section-head {
  max-width: 840px;
  margin-bottom: 54px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head.center .eyebrow { justify-content: center; }
.section-head .h2 { margin-bottom: 18px; }

/* ============================ 按钮 ============================ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-size: 14.5px;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.22s var(--ease), box-shadow 0.22s, background 0.22s, border-color 0.22s;
  overflow: hidden;
  white-space: nowrap;
}

.btn .arw { transition: transform 0.25s; }
.btn:hover .arw { transform: translateX(4px); }

.btn-primary {
  color: #041018;
  background: linear-gradient(115deg, #2ee6ff, #7df0ff 50%, #b6f7ff);
  box-shadow: 0 10px 34px rgba(46, 230, 255, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 44px rgba(46, 230, 255, 0.46);
}

.btn-ghost {
  color: var(--ink);
  background: rgba(120, 170, 255, 0.06);
  border-color: var(--line-2);
}

.btn-ghost:hover {
  background: rgba(120, 170, 255, 0.13);
  border-color: rgba(46, 230, 255, 0.5);
  transform: translateY(-2px);
}

.btn .sheen {
  position: absolute;
  top: 0;
  left: -60%;
  width: 40%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s var(--ease);
}

.btn:hover .sheen { left: 120%; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

/* ============================ 卡片 ============================ */
.grid {
  display: grid;
  gap: 20px;
}

.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.g23 { grid-template-columns: 1fr 1.35fr; }
.g32 { grid-template-columns: 1.35fr 1fr; }

.card {
  position: relative;
  padding: 28px;
  border-radius: var(--r);
  background: linear-gradient(160deg, rgba(15, 27, 48, 0.72), rgba(8, 14, 26, 0.6));
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
  isolation: isolate;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%), rgba(46, 230, 255, 0.13), transparent 62%);
  opacity: 0;
  transition: opacity 0.35s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(46, 230, 255, 0.34);
  box-shadow: 0 26px 60px -24px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(46, 230, 255, 0.08);
}

.card:hover::before { opacity: 1; }

.card h3, .card h4 { margin-bottom: 10px; }
.card p { margin: 0; color: var(--ink-2); font-size: 14.5px; line-height: 1.85; }

.card-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  padding: 4px 9px;
  border-radius: 6px;
  background: rgba(46, 230, 255, 0.09);
  border: 1px solid rgba(46, 230, 255, 0.2);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: linear-gradient(150deg, rgba(46, 230, 255, 0.16), rgba(59, 123, 255, 0.06));
  border: 1px solid rgba(46, 230, 255, 0.24);
  margin-bottom: 18px;
  color: var(--cyan);
}

.icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.6; }

.card-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.card-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.7;
}

.card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 10px rgba(46, 230, 255, 0.6);
}

.card-num {
  position: absolute;
  top: 18px;
  right: 20px;
  font-family: var(--mono);
  font-size: 46px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(120, 170, 255, 0.22);
  pointer-events: none;
}

/* ============================ Hero ============================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 46px) 0 96px;
  overflow: hidden;
}

#net {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.85;
}

/* 透视地面网格 */
.floor {
  position: absolute;
  left: -25%;
  right: -25%;
  bottom: -14%;
  height: 62%;
  z-index: 0;
  perspective: 420px;
  perspective-origin: 50% 0%;
  pointer-events: none;
  mask-image: linear-gradient(180deg, transparent 0%, #000 42%, transparent 92%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 42%, transparent 92%);
}

.floor i {
  position: absolute;
  inset: -60% -20% -20%;
  background-image:
    linear-gradient(rgba(46, 230, 255, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 230, 255, 0.22) 1px, transparent 1px);
  background-size: 62px 62px;
  transform: rotateX(72deg);
  animation: floorFlow 7s linear infinite;
  transform-origin: 50% 100%;
}

@keyframes floorFlow {
  from { background-position: 0 0; }
  to { background-position: 0 62px; }
}

.hero-glow {
  position: absolute;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
  animation: breathe 9s ease-in-out infinite;
}

.hero-glow.a { top: -22%; right: -8%; background: radial-gradient(circle, rgba(46, 230, 255, 0.5), transparent 65%); }
.hero-glow.b { bottom: -30%; left: -12%; background: radial-gradient(circle, rgba(139, 92, 246, 0.42), transparent 65%); animation-delay: -4s; }

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.42; }
  50% { transform: scale(1.12); opacity: 0.62; }
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 372px;
  gap: 60px;
  align-items: center;
}

.hero-main { min-width: 0; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 15px 7px 8px;
  border-radius: 999px;
  border: 1px solid rgba(46, 230, 255, 0.26);
  background: rgba(46, 230, 255, 0.07);
  font-size: 12.5px;
  color: #bfeaff;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.hero-badge b {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--cyan);
  color: #041018;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: blink 1.8s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

.hero h1 {
  font-size: clamp(42px, 7vw, 92px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.06;
  margin-bottom: 26px;
}

.hero h1 .line { display: block; overflow: hidden; }

.hero h1 .line > span {
  display: block;
  transform: translateY(105%);
  animation: riseIn 0.9s var(--ease) forwards;
}

.hero h1 .line:nth-child(2) > span { animation-delay: 0.12s; }
.hero h1 .line:nth-child(3) > span { animation-delay: 0.24s; }

@keyframes riseIn {
  to { transform: translateY(0); }
}

.hero .lead {
  font-size: clamp(15px, 1.35vw, 18px);
  max-width: 620px;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.5s forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero .btn-row { opacity: 0; animation: fadeUp 0.9s var(--ease) 0.66s forwards; }

.hero-kpis {
  margin-top: 62px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.82s forwards;
}

.hero-kpis > div {
  background: rgba(6, 12, 23, 0.72);
  backdrop-filter: blur(10px);
  padding: 20px 22px;
}

.hero-kpis .n {
  font-family: var(--mono);
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: #fff;
  letter-spacing: -0.02em;
}

.hero-kpis .n em {
  font-style: normal;
  font-size: 0.5em;
  color: var(--cyan);
  margin-left: 3px;
}

.hero-kpis .t {
  margin-top: 8px;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}

/* Hero 右侧悬浮数据面板 */
.hero-side {
  position: relative;
  width: 100%;
  transform: perspective(1200px) rotateY(-11deg) rotateX(4deg) rotateZ(1.2deg);
  transform-style: preserve-3d;
  z-index: 2;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 0.55s forwards;
}

.hs-card {
  position: relative;
  padding: 22px;
  border-radius: 18px;
  border: 1px solid rgba(46, 230, 255, 0.28);
  background: linear-gradient(160deg, rgba(14, 30, 50, 0.94), rgba(6, 13, 24, 0.92));
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(14px);
  animation: floatY 8s ease-in-out infinite;
}

.hs-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background: linear-gradient(120deg, transparent 20%, rgba(46, 230, 255, 0.08) 50%, transparent 80%);
  pointer-events: none;
}

.hs-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--green);
  font-family: var(--mono);
  margin-bottom: 14px;
}

.hs-head i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: blink 1.7s infinite;
}

.hs-head em {
  margin-left: auto;
  font-style: normal;
  color: var(--ink-3);
  letter-spacing: 0.06em;
}

.hs-title {
  font-size: 13.5px;
  color: var(--ink);
  line-height: 1.6;
  margin-bottom: 18px;
}

.hs-progress {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 18px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(120, 170, 255, 0.1);
}

.hs-ring {
  width: 76px;
  height: 76px;
  flex-shrink: 0;
  position: relative;
}

.hs-ring svg { transform: rotate(-90deg); width: 76px; height: 76px; }
.hs-ring .track { stroke: rgba(120, 170, 255, 0.14); }
.hs-ring .fill {
  stroke: url(#ringGrad);
  stroke-linecap: round;
  stroke-dasharray: 201;
  stroke-dashoffset: 201;
  animation: ringFill 1.8s var(--ease) 1s forwards;
}

@keyframes ringFill { to { stroke-dashoffset: 110; } }

.hs-ring b {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 700;
  color: #fff;
}

.hs-meta { font-size: 12px; color: var(--ink-3); line-height: 1.8; }
.hs-meta b { display: block; color: var(--ink-2); font-size: 12.5px; font-weight: 500; }
.hs-meta .bar-track { margin-top: 8px; height: 4px; }

.hs-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }

.hs-steps li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  color: var(--ink-3);
}
.hs-steps li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid rgba(120, 170, 255, 0.4);
  flex-shrink: 0;
}
.hs-steps li span { margin-left: auto; font-family: var(--mono); font-size: 10.5px; }
.hs-steps li.done { color: var(--ink-2); }
.hs-steps li.done::before { background: var(--green); border-color: var(--green); box-shadow: 0 0 8px var(--green); }
.hs-steps li.done span { color: var(--green); }
.hs-steps li.run { color: #fff; }
.hs-steps li.run::before { background: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 10px var(--cyan); animation: blink 1.4s infinite; }
.hs-steps li.run span { color: var(--cyan); }

.hs-mini {
  position: absolute;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(6, 14, 24, 0.95);
  border: 1px solid rgba(46, 230, 255, 0.3);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.65);
  font-size: 10.5px;
  color: var(--ink-3);
  letter-spacing: 0.1em;
  font-family: var(--mono);
  white-space: nowrap;
  backdrop-filter: blur(10px);
}

.hs-mini b {
  display: block;
  font-size: 20px;
  color: #fff;
  letter-spacing: -0.02em;
  margin-top: 3px;
}

.hs-mini.a { left: -30px; bottom: -74px; animation: floatY 6s ease-in-out infinite; }
.hs-mini.b { right: -26px; bottom: -118px; animation: floatY 7s ease-in-out -3s infinite; }

@media (max-width: 1180px) {
  .hero-inner { grid-template-columns: 1fr; gap: 0; }
  .hero-side { display: none; }
}

/* 全站锚点偏移，避免被固定导航遮挡 */
[id] { scroll-margin-top: 88px; }

.scroll-hint {
  position: absolute;
  bottom: 30px;
  right: 34px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--ink-3);
}

.scroll-hint i {
  width: 1px;
  height: 42px;
  background: linear-gradient(180deg, var(--cyan), transparent);
  animation: hint 2s ease-in-out infinite;
}

@keyframes hint {
  0%, 100% { transform: scaleY(0.4); transform-origin: top; opacity: 0.4; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
}

/* ============================ 内页 Hero ============================ */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 58px) 0 54px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(760px 380px at 82% 0%, rgba(46, 230, 255, 0.14), transparent 65%),
    linear-gradient(180deg, rgba(6, 12, 23, 0.2), transparent);
  pointer-events: none;
}

.page-hero .wrap { position: relative; z-index: 2; }

.crumb {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  margin-bottom: 22px;
}

.crumb a:hover { color: var(--cyan); }
.crumb span { color: rgba(120, 170, 255, 0.35); }

.page-hero h1 {
  font-size: clamp(32px, 4.1vw, 54px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.12;
  margin-bottom: 20px;
}

.page-hero .lead { max-width: 700px; }

.page-hero-meta {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  font-size: 12.5px;
  color: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(120, 170, 255, 0.05);
}

.chip b { color: var(--cyan); font-weight: 600; }
.chip .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }

/* ============================ 数据条 ============================ */
.band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}

.band > div {
  padding: 26px 24px;
  background: linear-gradient(170deg, rgba(12, 22, 40, 0.8), rgba(6, 11, 21, 0.7));
}

.band .n {
  font-family: var(--mono);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(120deg, #fff, #8fe6ff 60%, #4d9dff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.band .n em { font-style: normal; font-size: 0.48em; margin-left: 2px; color: var(--cyan); -webkit-text-fill-color: var(--cyan); }
.band .t { margin-top: 9px; font-size: 12.5px; color: var(--ink-3); }

/* ============================ 流程图 ============================ */
.flow {
  display: flex;
  align-items: stretch;
  gap: 8px;
  position: relative;
  overflow-x: auto;
  padding: 8px 2px 18px;
  scrollbar-width: thin;
}

.flow-node {
  flex: 1 1 0;
  min-width: 116px;
  position: relative;
  padding: 17px 15px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(14, 26, 46, 0.9), rgba(7, 13, 24, 0.8));
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  cursor: default;
}

.flow-node::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 14px;
  background: linear-gradient(120deg, transparent, rgba(46, 230, 255, 0.12), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.flow-node .idx {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.16em;
  margin-bottom: 10px;
  display: block;
}

.flow-node b { display: block; font-size: 14.5px; margin-bottom: 6px; font-weight: 600; }
.flow-node span { font-size: 12px; color: var(--ink-3); line-height: 1.6; display: block; }

.flow-node.active {
  border-color: rgba(46, 230, 255, 0.6);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px -18px rgba(46, 230, 255, 0.6), inset 0 0 30px rgba(46, 230, 255, 0.06);
}

.flow-node.active::after { opacity: 1; }
.flow-node.active .idx { color: var(--cyan); }

.flow-arrow {
  flex: 0 0 12px;
  display: grid;
  place-items: center;
  color: rgba(120, 170, 255, 0.35);
  font-size: 14px;
}

/* ============================ 表格 ============================ */
.tbl-wrap {
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow-x: auto;
  overflow-y: hidden;
  background: rgba(8, 14, 26, 0.6);
  -webkit-overflow-scrolling: touch;
}

.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.8px;
}

.tbl th {
  text-align: left;
  padding: 15px 18px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
  background: rgba(14, 25, 44, 0.9);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.tbl td {
  padding: 15px 18px;
  border-bottom: 1px solid rgba(120, 170, 255, 0.07);
  color: var(--ink-2);
  vertical-align: top;
}

.tbl tr:last-child td { border-bottom: 0; }
.tbl tbody tr { transition: background 0.2s; }
.tbl tbody tr:hover { background: rgba(46, 230, 255, 0.045); }
.tbl td b { color: var(--ink); font-weight: 600; }
.tbl .num { font-family: var(--mono); color: var(--cyan); }

.badge {
  display: inline-block;
  padding: 2px 9px;
  font-size: 11.5px;
  border-radius: 999px;
  font-family: var(--mono);
}

.badge.rd { background: rgba(255, 59, 82, 0.14); color: #ff8595; border: 1px solid rgba(255, 59, 82, 0.3); }
.badge.am { background: rgba(255, 176, 32, 0.12); color: #ffcb6b; border: 1px solid rgba(255, 176, 32, 0.28); }
.badge.gr { background: rgba(47, 224, 138, 0.12); color: #6ff0b0; border: 1px solid rgba(47, 224, 138, 0.28); }
.badge.cy { background: rgba(46, 230, 255, 0.12); color: #8beaff; border: 1px solid rgba(46, 230, 255, 0.28); }

/* ============================ 设备样机 ============================ */
.browser {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: #0a1220;
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(46, 230, 255, 0.08);
}

.browser-bar {
  height: 34px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 13px;
  background: linear-gradient(180deg, #111d31, #0b1524);
  border-bottom: 1px solid rgba(120, 170, 255, 0.1);
}

.browser-bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #2b3c56;
}

.browser-bar i:nth-child(1) { background: #ff5f57; }
.browser-bar i:nth-child(2) { background: #febc2e; }
.browser-bar i:nth-child(3) { background: #28c840; }

.browser-bar .url {
  margin-left: 12px;
  flex: 1;
  height: 20px;
  border-radius: 6px;
  background: rgba(4, 9, 17, 0.8);
  border: 1px solid rgba(120, 170, 255, 0.1);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  padding: 0 10px;
  letter-spacing: 0.04em;
  overflow: hidden;
  white-space: nowrap;
}

.browser img { width: 100%; display: block; }

.phone {
  position: relative;
  width: 268px;
  border-radius: 34px;
  padding: 9px;
  background: linear-gradient(160deg, #1a2438, #070c15 40%, #131c2c);
  border: 1px solid rgba(150, 190, 255, 0.22);
  box-shadow: 0 34px 70px -22px rgba(0, 0, 0, 0.95), inset 0 1px 0 rgba(255, 255, 255, 0.14);
  flex-shrink: 0;
}

.phone::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  width: 78px;
  height: 19px;
  border-radius: 999px;
  background: #04070e;
  z-index: 3;
}

.phone-screen {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  background: #0d1521;
  aspect-ratio: 9 / 19.3;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: opacity 0.35s;
}

.phone-screen .scan {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(46, 230, 255, 0.16), transparent);
  height: 30%;
  animation: phoneScan 4.5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes phoneScan {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(420%); }
}

/* 热点标注 */
.shot {
  position: relative;
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid var(--line);
}

.shot img { width: 100%; display: block; }

.hotspot {
  position: absolute;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--cyan);
  background: rgba(6, 20, 30, 0.6);
  color: var(--cyan);
  font-size: 11px;
  display: grid;
  place-items: center;
  cursor: pointer;
  z-index: 3;
  font-family: var(--mono);
  transition: transform 0.2s;
}

.hotspot::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(46, 230, 255, 0.5);
  animation: pulseRing 2.2s ease-out infinite;
}

@keyframes pulseRing {
  0% { transform: scale(0.7); opacity: 0.9; }
  100% { transform: scale(1.8); opacity: 0; }
}

.hotspot:hover { transform: scale(1.15); }
.hotspot.on { background: var(--cyan); color: #041018; }

.hot-tip {
  position: absolute;
  z-index: 5;
  max-width: 230px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(4, 10, 18, 0.96);
  border: 1px solid rgba(46, 230, 255, 0.4);
  font-size: 12.5px;
  color: var(--ink-2);
  line-height: 1.65;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  transform: translateY(6px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.7);
}

.hot-tip.show { opacity: 1; transform: translateY(0); }
.hot-tip b { display: block; color: #fff; font-size: 13px; margin-bottom: 3px; }

/* 手机截图选择器 */
.shot-picker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.shot-btn {
  border: 1px solid var(--line);
  background: rgba(10, 18, 32, 0.7);
  border-radius: 12px;
  padding: 7px 7px 4px;
  cursor: pointer;
  transition: border-color 0.22s, transform 0.22s, box-shadow 0.22s, background 0.22s;
  font-family: inherit;
}

.shot-btn img {
  width: 100%;
  aspect-ratio: 9 / 19.3;
  object-fit: cover;
  object-position: top center;
  border-radius: 7px;
  opacity: 0.72;
  transition: opacity 0.22s;
}

.shot-btn span {
  display: block;
  font-size: 10.5px;
  color: var(--ink-3);
  margin-top: 6px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shot-btn:hover { transform: translateY(-2px); border-color: var(--line-2); }
.shot-btn:hover img { opacity: 0.95; }

.shot-btn.on {
  border-color: rgba(46, 230, 255, 0.7);
  background: rgba(46, 230, 255, 0.07);
  box-shadow: 0 0 0 2px rgba(46, 230, 255, 0.12), 0 10px 26px -12px rgba(46, 230, 255, 0.5);
}

.shot-btn.on img { opacity: 1; }
.shot-btn.on span { color: var(--cyan); }

@media (max-width: 520px) {
  .shot-picker { grid-template-columns: repeat(3, 1fr); }
}

/* 手机截图选择器 end */

/* 甘特示意图 */
.gantt {
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 24px 22px;
  background: rgba(8, 14, 26, 0.6);
  overflow-x: auto;
}

.gantt-head {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  margin-bottom: 12px;
  min-width: 560px;
}

.gantt-days {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-align: center;
}

.gantt-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  align-items: center;
  margin-bottom: 9px;
  min-width: 560px;
}

.gantt-label { font-size: 12.5px; color: var(--ink-2); }

.gantt-track {
  position: relative;
  height: 26px;
  border-radius: 7px;
  background:
    repeating-linear-gradient(90deg, rgba(120, 170, 255, 0.09) 0 1px, transparent 1px 12.5%),
    rgba(120, 170, 255, 0.025);
}

.gantt-track i {
  position: absolute;
  top: 2px;
  height: 22px;
  border-radius: 6px;
  font-style: normal;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: #041018;
  display: flex;
  align-items: center;
  padding-left: 8px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  box-shadow: 0 4px 14px -4px rgba(46, 230, 255, 0.6);
  transform-origin: left center;
  animation: ganttIn 0.8s var(--ease) both;
}

@keyframes ganttIn {
  from { transform: scaleX(0.2); opacity: 0; }
  to { transform: scaleX(1); opacity: 1; }
}

.gantt-track i.c1 { background: linear-gradient(90deg, #2ee6ff, #7ae8ff); }
.gantt-track i.c2 { background: linear-gradient(90deg, #4d9dff, #7ab8ff); }
.gantt-track i.c3 { background: linear-gradient(90deg, #8b5cf6, #a98bff); color: #fff; }
.gantt-track i.c4 { background: linear-gradient(90deg, #2fe08a, #6ff0b0); }
.gantt-track i.c5 { background: linear-gradient(90deg, #ffb020, #ffd07a); }
.gantt-track i.c6 { background: linear-gradient(90deg, #ff3b52, #ff8595); color: #fff; }

/* 看板 */
.dash {
  border: 1px solid var(--line-2);
  border-radius: 16px;
  background: linear-gradient(170deg, rgba(9, 18, 32, 0.95), rgba(5, 10, 19, 0.95));
  overflow: hidden;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.9);
}

.dash-top {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 20, 36, 0.8);
}

.dash-top .live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--green);
}

.dash-top .live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: blink 1.6s infinite;
}

.dash-top .clock {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
}

.dash-body {
  padding: 20px;
  display: grid;
  gap: 14px;
}

.kpi {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.kpi > div {
  padding: 14px 16px;
  border-radius: 11px;
  background: rgba(13, 24, 42, 0.7);
  border: 1px solid var(--line);
}

.kpi .l { font-size: 11.5px; color: var(--ink-3); display: flex; align-items: center; gap: 6px; }
.kpi .v {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 700;
  margin-top: 4px;
  letter-spacing: -0.02em;
}
.kpi .v.up { color: var(--green); }
.kpi .v.wn { color: var(--amber); }
.kpi .v.cy { color: var(--cyan); }
.kpi .s { font-size: 10.5px; color: var(--ink-3); margin-top: 2px; }

.bar-row {
  display: grid;
  grid-template-columns: 96px 1fr 58px;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--ink-2);
}

.bar-track {
  height: 7px;
  border-radius: 99px;
  background: rgba(120, 170, 255, 0.1);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  box-shadow: 0 0 14px rgba(46, 230, 255, 0.5);
  transition: width 1.1s var(--ease);
  width: 0;
}

.bar-val { font-family: var(--mono); text-align: right; color: var(--cyan); font-size: 11.5px; }

.spark {
  width: 100%;
  height: 92px;
  display: block;
}

/* ============================ 列表 / 时间轴 ============================ */
.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(59, 123, 255, 0.3), transparent);
}

.tl-item {
  position: relative;
  padding-bottom: 30px;
}

.tl-item:last-child { padding-bottom: 0; }

.tl-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--cyan);
  box-shadow: 0 0 12px rgba(46, 230, 255, 0.7);
}

.tl-item b { display: block; font-size: 15.5px; margin-bottom: 5px; }
.tl-item p { margin: 0; font-size: 13.5px; color: var(--ink-2); }
.tl-item .k { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; color: var(--cyan); margin-bottom: 6px; display: block; }

/* ============================ 跑马灯 ============================ */
.marquee {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  background: rgba(8, 14, 26, 0.4);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  gap: 46px;
  width: max-content;
  animation: slide 42s linear infinite;
}

.marquee:hover .marquee-track { animation-play-state: paused; }

.marquee span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  color: var(--ink-3);
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.marquee span::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--cyan);
  border-radius: 50%;
  opacity: 0.7;
}

@keyframes slide {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================ 报价 ============================ */
.plan {
  position: relative;
  padding: 32px 28px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(14, 26, 46, 0.8), rgba(7, 12, 22, 0.7));
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}

.plan:hover { transform: translateY(-5px); border-color: var(--line-2); }

.plan.hot {
  border-color: rgba(46, 230, 255, 0.5);
  background: linear-gradient(170deg, rgba(16, 42, 66, 0.9), rgba(8, 18, 32, 0.85));
  box-shadow: 0 30px 70px -30px rgba(46, 230, 255, 0.5);
}

.plan.hot::after {
  content: "推荐";
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 10.5px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--cyan);
  color: #041018;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.plan .pname { font-size: 14px; color: var(--cyan); letter-spacing: 0.08em; margin-bottom: 14px; }
.plan .price { display: flex; align-items: baseline; gap: 5px; margin-bottom: 6px; }
.plan .price b { font-family: var(--mono); font-size: 42px; font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.plan .price b.word { font-family: inherit; font-size: 30px; letter-spacing: 0; }
.plan .price span { font-size: 12.5px; color: var(--ink-3); }
.plan .pdesc { font-size: 13px; color: var(--ink-3); margin-bottom: 20px; min-height: 40px; }
.plan ul { list-style: none; margin: 0 0 26px; padding: 0; display: grid; gap: 10px; }
.plan li { font-size: 13.5px; color: var(--ink-2); display: flex; gap: 9px; }
.plan li::before { content: "✓"; color: var(--cyan); font-size: 12px; flex-shrink: 0; }
.plan .btn { margin-top: auto; justify-content: center; }

/* 计算器 */
.calc {
  border: 1px solid var(--line-2);
  border-radius: 20px;
  padding: 30px;
  background: linear-gradient(160deg, rgba(13, 26, 45, 0.9), rgba(6, 12, 22, 0.9));
}

.calc-row { margin-bottom: 22px; }
.calc-row label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13.5px;
  color: var(--ink-2);
  margin-bottom: 10px;
}
.calc-row label b { font-family: var(--mono); color: var(--cyan); font-size: 16px; }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 99px;
  background: rgba(120, 170, 255, 0.16);
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--cyan);
  border: 3px solid #041018;
  box-shadow: 0 0 0 1px var(--cyan), 0 0 18px rgba(46, 230, 255, 0.8);
  cursor: pointer;
}

.calc-out {
  margin-top: 26px;
  padding: 22px;
  border-radius: 14px;
  background: rgba(46, 230, 255, 0.06);
  border: 1px solid rgba(46, 230, 255, 0.24);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.calc-out .big {
  font-family: var(--mono);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.03em;
}

.calc-out .cap { font-size: 12px; color: var(--ink-3); margin-bottom: 6px; }

.toggle-set {
  display: inline-flex;
  padding: 4px;
  gap: 4px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(8, 14, 26, 0.7);
}

.toggle-set button {
  border: 0;
  background: transparent;
  color: var(--ink-3);
  font-size: 12.5px;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s;
}

.toggle-set button.on {
  background: rgba(46, 230, 255, 0.14);
  color: var(--cyan);
  box-shadow: inset 0 0 0 1px rgba(46, 230, 255, 0.3);
}

/* ============================ FAQ ============================ */
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 44px 22px 0;
  font-size: 16px;
  font-weight: 500;
  position: relative;
  transition: color 0.2s;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--cyan); }

.faq-item summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--ink-3);
  border-bottom: 1.5px solid var(--ink-3);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.25s, border-color 0.2s;
}

.faq-item[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
  border-color: var(--cyan);
}

.faq-item[open] summary { color: #fff; }

.faq-body {
  padding: 0 44px 24px 0;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.9;
}

/* ============================ 表单 ============================ */
.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-size: 12.5px;
  color: var(--ink-3);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  font-size: 14px;
  font-family: inherit;
  color: var(--ink);
  background: rgba(8, 15, 27, 0.9);
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(46, 230, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(46, 230, 255, 0.1);
}

.field input::placeholder, .field textarea::placeholder { color: #46566f; }
.field textarea { min-height: 108px; resize: vertical; }

.form-note { font-size: 12px; color: var(--ink-3); margin-top: 14px; line-height: 1.7; }

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 200;
  padding: 13px 22px;
  border-radius: 999px;
  background: rgba(6, 20, 32, 0.96);
  border: 1px solid rgba(46, 230, 255, 0.5);
  color: var(--cyan);
  font-size: 13.5px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================ CTA 区块 ============================ */
.cta-box {
  position: relative;
  padding: clamp(40px, 6vw, 76px);
  border-radius: 26px;
  border: 1px solid rgba(46, 230, 255, 0.24);
  background:
    radial-gradient(700px 320px at 80% -20%, rgba(46, 230, 255, 0.22), transparent 65%),
    radial-gradient(600px 300px at 0% 120%, rgba(139, 92, 246, 0.2), transparent 60%),
    linear-gradient(160deg, rgba(12, 26, 45, 0.9), rgba(5, 10, 19, 0.92));
  overflow: hidden;
  text-align: center;
}

.cta-box::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: linear-gradient(100deg, transparent, rgba(46, 230, 255, 0.16), transparent);
  transform: translateX(-100%);
  animation: sweep 6s ease-in-out infinite;
  pointer-events: none;
}

@keyframes sweep {
  0% { transform: translateX(-100%); }
  55%, 100% { transform: translateX(100%); }
}

.cta-box .h2 { margin: 0 auto 16px; max-width: 720px; }
.cta-box .lead { margin: 0 auto; }
.cta-box .btn-row { justify-content: center; }

/* ============================ 页脚 ============================ */
.footer {
  border-top: 1px solid var(--line);
  padding: 66px 0 30px;
  background: linear-gradient(180deg, rgba(5, 9, 17, 0.4), rgba(3, 6, 12, 0.9));
  position: relative;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.foot-brand p {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.85;
  max-width: 300px;
}

.foot-col h5 {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
}

.foot-col a {
  display: block;
  padding: 6px 0;
  font-size: 13.5px;
  color: var(--ink-2);
  transition: color 0.2s, transform 0.2s;
}

.foot-col a:hover { color: var(--cyan); transform: translateX(3px); }

.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-3);
  flex-wrap: wrap;
}

.foot-bottom .legal { display: flex; gap: 18px; }

/* ============================ 动效 ============================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
  transition-delay: var(--d, 0s);
  will-change: opacity, transform;
}

[data-reveal].in { opacity: 1; transform: none; }

[data-reveal="left"] { transform: translateX(-30px); }
[data-reveal="right"] { transform: translateX(30px); }
[data-reveal="scale"] { transform: scale(0.96); }

.float { animation: floatY 6s ease-in-out infinite; }
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 300;
  pointer-events: none;
  border-radius: 50%;
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 0.3s;
}

.cursor-dot {
  width: 5px;
  height: 5px;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.cursor-ring {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(46, 230, 255, 0.45);
  transition: width 0.25s, height 0.25s, opacity 0.3s, background 0.25s;
}

.cursor-ring.grow {
  width: 56px;
  height: 56px;
  background: rgba(46, 230, 255, 0.08);
}

@media (hover: hover) and (pointer: fine) {
  .cursor-dot.on, .cursor-ring.on { opacity: 1; }
}

/* 顶部悬浮 CTA（移动端） */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(5, 9, 17, 0.92);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--line);
}

.mobile-cta .btn { width: 100%; justify-content: center; }

/* ============================ 响应式 ============================ */
@media (max-width: 1080px) {
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .hero-kpis { grid-template-columns: repeat(2, 1fr); }
  .band { grid-template-columns: repeat(2, 1fr); }
  .kpi { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .burger { display: block; }
}

@media (max-width: 820px) {
  .g2, .g3, .g23, .g32 { grid-template-columns: 1fr; }
  .stage { padding: 76px 0; }
  .hero { min-height: auto; padding: calc(var(--nav-h) + 56px) 0 64px; }
  .hero h1 { font-size: clamp(34px, 9vw, 52px); }
  .hero-kpis { margin-top: 40px; gap: 1px; }
  .hero-kpis > div { padding: 16px 16px; }
  .page-hero { padding: calc(var(--nav-h) + 56px) 0 44px; }
  .section-head { margin-bottom: 38px; }
  .calc, .plan { padding: 24px 20px; }
  .cta-box { padding: 38px 22px; border-radius: 20px; }
  .scroll-hint { display: none; }
  .mobile-cta { display: block; }
  body { padding-bottom: 70px; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .tbl { font-size: 12.5px; min-width: 560px; }
  .tbl th, .tbl td { padding: 12px 12px; }
  .flow-node { flex: 0 0 152px; }
  .flow-arrow { flex: 0 0 18px; }
  .card-num { font-size: 34px; }
  .browser-bar .url { font-size: 9px; }
}

@media (max-width: 520px) {
  .g4 { grid-template-columns: 1fr; }
  .band { grid-template-columns: 1fr; }
  .kpi { grid-template-columns: 1fr 1fr; }
  .card { padding: 22px; }
  .btn { padding: 12px 20px; font-size: 13.5px; }
  .hero-badge { font-size: 11.5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero { min-height: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  body { opacity: 1; }
}