/* ==========================================================================
   阜南县保绿物资回收有限公司 · 官网设计系统
   Design tokens → base → layout → components → sections → responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* 品牌色取自企业 Logo */
  --brand-900: #0B3D22;
  --brand-800: #11552F;
  --brand-700: #176B3D;
  --brand-600: #2B9A4E;
  --brand-500: #3CB45C;
  --brand-400: #5FCB6A;
  --brand-300: #8EDC76;
  --brand-200: #C6F0A8;
  --tech-500: #39E0B4;
  --tech-300: #7BF2D6;

  /* 中性色（深色底为主） */
  --ink-950: #030907;
  --ink-900: #061310;
  --ink-850: #07140F;
  --ink-800: #0A1D17;
  --ink-700: #0F2A21;
  --ink-600: #16382C;

  --text: #E6F2EA;
  --text-strong: #FFFFFF;
  --muted: #93AA9E;
  --muted-dim: #6A8378;

  --line: rgba(142, 220, 118, 0.14);
  --line-soft: rgba(230, 242, 234, 0.08);
  --glass: rgba(230, 242, 234, 0.035);
  --glass-strong: rgba(230, 242, 234, 0.06);

  /* 字体 */
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC",
    "Noto Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --font-mono: "SF Mono", ui-monospace, "JetBrains Mono", "Cascadia Mono",
    Menlo, Consolas, "Liberation Mono", monospace;

  /* 尺度 */
  --shell: 1280px;
  --shell-wide: 1560px;
  --gut: clamp(20px, 4vw, 56px);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --header-h: 76px;

  /* 动效 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --shadow-lift: 0 24px 60px -20px rgba(0, 0, 0, 0.7);
  --glow: 0 0 0 1px rgba(60, 180, 92, 0.35), 0 12px 48px -12px rgba(60, 180, 92, 0.45);
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-color: var(--brand-700) var(--ink-900);
}

body {
  font-family: var(--font-sans);
  background: var(--ink-950);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body.is-locked { overflow: hidden; }

img, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }

a { color: inherit; text-decoration: none; }

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}
button { cursor: pointer; }

ul, ol { list-style: none; }

::selection {
  background: var(--brand-500);
  color: var(--ink-950);
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink-950); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--brand-700), var(--brand-600));
  border-radius: 99px;
  border: 2px solid var(--ink-950);
}
::-webkit-scrollbar-thumb:hover { background: var(--brand-500); }

:focus-visible {
  outline: 2px solid var(--brand-300);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5 {
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text-strong);
  text-wrap: balance;
}

.display {
  font-size: clamp(2.5rem, 6.4vw, 5.25rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 900;
}

.h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); letter-spacing: -0.028em; }
.h2 { font-size: clamp(1.75rem, 3.2vw, 2.75rem); letter-spacing: -0.022em; }
.h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); letter-spacing: -0.015em; }
.h4 { font-size: 1.125rem; font-weight: 700; }

.lead {
  font-size: clamp(1rem, 1.35vw, 1.175rem);
  color: var(--muted);
  line-height: 1.85;
  max-width: 62ch;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.grad-text {
  background: linear-gradient(100deg, var(--brand-200) 0%, var(--brand-300) 32%, var(--tech-500) 78%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-muted { color: var(--muted); }
.text-brand { color: var(--brand-300); }

/* --------------------------------------------------------------------------
   4. Layout primitives
   -------------------------------------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gut);
}
.shell--wide { max-width: var(--shell-wide); }

.section {
  position: relative;
  padding-block: clamp(72px, 9vw, 140px);
}
.section--tight { padding-block: clamp(56px, 6vw, 88px); }

.section-head {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: clamp(40px, 5vw, 68px);
}
.section-head--split {
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.section-head__copy { flex: 1 1 460px; display: flex; flex-direction: column; gap: 18px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand-300);
  padding: 7px 14px 7px 11px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: rgba(60, 180, 92, 0.06);
  backdrop-filter: blur(8px);
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-400);
  box-shadow: 0 0 0 3px rgba(95, 203, 106, 0.22);
  animation: pulseDot 2.4s var(--ease-in-out) infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(95, 203, 106, 0.22); }
  50% { box-shadow: 0 0 0 7px rgba(95, 203, 106, 0); }
}

.divider {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

/* --------------------------------------------------------------------------
   5. Ambient background layers
   -------------------------------------------------------------------------- */
.bg-layers {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-grid {
  position: absolute;
  inset: -20%;
  background-image:
    linear-gradient(to right, rgba(142, 220, 118, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(142, 220, 118, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 78%);
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  will-change: transform;
}
.bg-orb--1 {
  width: 46vw; height: 46vw;
  top: -14vw; left: -8vw;
  background: radial-gradient(circle, rgba(23, 107, 61, 0.65), transparent 68%);
}
.bg-orb--2 {
  width: 38vw; height: 38vw;
  top: 24vh; right: -10vw;
  background: radial-gradient(circle, rgba(57, 224, 180, 0.24), transparent 66%);
}
.bg-orb--3 {
  width: 52vw; height: 52vw;
  bottom: -18vw; left: 22vw;
  background: radial-gradient(circle, rgba(43, 154, 78, 0.28), transparent 70%);
}

.bg-noise {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.32'/%3E%3C/svg%3E");
}

.bg-scan {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.014) 0 1px,
    transparent 1px 4px
  );
}

.page { position: relative; z-index: 1; }

/* --------------------------------------------------------------------------
   6. Preloader
   -------------------------------------------------------------------------- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: var(--ink-950);
  transition: opacity 0.7s var(--ease-out), visibility 0.7s;
}
.preloader.is-done { opacity: 0; visibility: hidden; }

.preloader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  width: min(300px, 72vw);
}
.preloader__mark {
  width: 62px;
  animation: markSpin 2.6s var(--ease-in-out) infinite;
}
@keyframes markSpin {
  0%, 100% { transform: rotate(0) scale(1); }
  50% { transform: rotate(180deg) scale(0.9); }
}
.preloader__bar {
  width: 100%;
  height: 2px;
  background: var(--ink-700);
  border-radius: 99px;
  overflow: hidden;
}
.preloader__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--brand-600), var(--tech-500));
  box-shadow: 0 0 12px var(--tech-500);
  transition: width 0.25s linear;
}
.preloader__meta {
  display: flex;
  justify-content: space-between;
  width: 100%;
  color: var(--muted-dim);
}

/* --------------------------------------------------------------------------
   7. Cursor spotlight (pointer-fine only)
   -------------------------------------------------------------------------- */
.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 420px; height: 420px;
  margin: -210px 0 0 -210px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  background: radial-gradient(circle, rgba(60, 180, 92, 0.13), transparent 62%);
  transition: opacity 0.45s ease;
  will-change: transform;
}
@media (hover: hover) and (pointer: fine) {
  .cursor-glow.is-on { opacity: 1; }
}

/* --------------------------------------------------------------------------
   8. Header / navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease-out), border-color 0.4s,
    backdrop-filter 0.4s, height 0.4s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  height: 64px;
  background: rgba(6, 19, 16, 0.78);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom-color: var(--line-soft);
}

.site-header__inner {
  width: 100%;
  max-width: var(--shell-wide);
  margin-inline: auto;
  padding-inline: var(--gut);
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand__mark {
  width: 38px; height: 38px;
  flex-shrink: 0;
  transition: transform 0.5s var(--ease-spring);
}
.brand:hover .brand__mark { transform: rotate(-12deg) scale(1.08); }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__cn {
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text-strong);
}
.brand__en {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.2em;
  color: var(--muted-dim);
  text-transform: uppercase;
}

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative;
  display: block;
  padding: 9px 15px;
  border-radius: 99px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.3s, background 0.3s;
}
.nav__link:hover { color: var(--text-strong); background: var(--glass); }
.nav__link.is-active { color: var(--brand-300); }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 2px;
  transform: translateX(-50%);
  width: 16px; height: 2px;
  border-radius: 99px;
  background: var(--brand-400);
  box-shadow: 0 0 10px var(--brand-400);
}

.header__actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--glass);
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 12px;
  width: 18px; height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.4s var(--ease-out), opacity 0.25s;
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 20.5px; }
.nav-toggle span:nth-child(3) { top: 26px; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0.3); }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  z-index: 101;
  background: linear-gradient(90deg, var(--brand-600), var(--brand-300), var(--tech-500));
  box-shadow: 0 0 12px rgba(57, 224, 180, 0.7);
}

/* Mobile drawer */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: flex;
  flex-direction: column;
  /* 从顶部起排：居中会在导航条与首个菜单项之间留出大片空白 */
  justify-content: flex-start;
  gap: 6px;
  padding: calc(var(--header-h) + 16px) var(--gut) 40px;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: rgba(3, 9, 7, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease-out), visibility 0.4s;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; }
.mobile-nav__link {
  font-size: clamp(1.5rem, 7vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--text);
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), color 0.3s;
}
.mobile-nav.is-open .mobile-nav__link { opacity: 1; transform: none; }
.mobile-nav__link:hover, .mobile-nav__link.is-active { color: var(--brand-300); }
.mobile-nav__foot { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }

/* --------------------------------------------------------------------------
   9. Buttons
   -------------------------------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 99px;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s, color 0.3s,
    border-color 0.3s, background 0.3s;
  isolation: isolate;
}
.btn:active { transform: scale(0.97); }
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn--primary {
  color: var(--ink-950);
  background: linear-gradient(105deg, var(--brand-300), var(--brand-500) 55%, var(--tech-500));
  box-shadow: 0 10px 34px -12px rgba(60, 180, 92, 0.75);
}
.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(105deg, var(--tech-300), var(--brand-300));
  opacity: 0;
  transition: opacity 0.35s;
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 44px -12px rgba(57, 224, 180, 0.7);
}
.btn--primary:hover::after { opacity: 1; }

.btn--ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(10px);
}
.btn--ghost:hover {
  border-color: var(--brand-400);
  color: var(--brand-200);
  background: rgba(60, 180, 92, 0.09);
  transform: translateY(-2px);
}

.btn--sm { padding: 9px 18px; font-size: 0.875rem; }
.btn--lg { padding: 16px 32px; font-size: 1rem; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--brand-300);
  transition: gap 0.3s var(--ease-out), color 0.3s;
}
.link-arrow svg { width: 15px; height: 15px; transition: transform 0.3s var(--ease-out); }
.link-arrow:hover { gap: 13px; color: var(--tech-300); }
.link-arrow:hover svg { transform: translateX(2px); }

/* --------------------------------------------------------------------------
   10. Card system
   -------------------------------------------------------------------------- */
.card {
  position: relative;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(230, 242, 234, 0.055), rgba(230, 242, 234, 0.012) 42%),
    var(--ink-900);
  overflow: hidden;
  transition: border-color 0.45s, transform 0.5s var(--ease-out), box-shadow 0.5s;
}
.card::before {
  /* 顶部高光描边 */
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(142, 220, 118, 0.5) 42%, transparent);
  opacity: 0.6;
}
.card:hover {
  border-color: rgba(142, 220, 118, 0.3);
  box-shadow: var(--shadow-lift);
}

/* 鼠标跟随高光 */
.card--spot::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
  background: radial-gradient(
    340px circle at var(--mx, 50%) var(--my, 50%),
    rgba(60, 180, 92, 0.16),
    transparent 62%
  );
}
.card--spot:hover::after { opacity: 1; }

.card__body { padding: clamp(22px, 2.4vw, 32px); }

.card-index {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--brand-600);
}

.icon-box {
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  border-radius: 15px;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(60, 180, 92, 0.18), rgba(57, 224, 180, 0.05));
  color: var(--brand-300);
  transition: transform 0.5s var(--ease-spring), color 0.35s, box-shadow 0.4s;
}
.icon-box svg { width: 24px; height: 24px; }
.card:hover .icon-box,
.tilt:hover .icon-box {
  transform: translateY(-3px) rotate(-6deg);
  color: var(--tech-300);
  box-shadow: 0 0 0 1px rgba(57, 224, 180, 0.35), 0 10px 30px -10px rgba(57, 224, 180, 0.5);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: rgba(60, 180, 92, 0.07);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand-200);
  white-space: nowrap;
}
.chip--plain { color: var(--muted); border-color: var(--line-soft); background: var(--glass); }

/* 3D tilt wrapper */
.tilt {
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.5s var(--ease-out);
}

/* --------------------------------------------------------------------------
   11. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 56px;
  overflow: hidden;
}

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

.hero__vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 55% at 18% 42%, rgba(3, 9, 7, 0.86), transparent 70%),
    linear-gradient(to bottom, rgba(3, 9, 7, 0.55) 0%, transparent 30%, rgba(3, 9, 7, 0.9) 100%);
}

.hero__shell { position: relative; z-index: 2; width: 100%; }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}

.hero__copy { display: flex; flex-direction: column; gap: 26px; align-items: flex-start; }

.hero__title { max-width: 16ch; }
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span {
  display: block;
  transform: translateY(105%);
  animation: lineUp 1.05s var(--ease-out) forwards;
}
.hero__title .line:nth-child(1) > span { animation-delay: 0.15s; }
.hero__title .line:nth-child(2) > span { animation-delay: 0.28s; }
.hero__title .line:nth-child(3) > span { animation-delay: 0.41s; }
@keyframes lineUp { to { transform: none; } }

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

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding-top: 8px;
}
.hero__meta-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.8125rem;
  color: var(--muted);
}
.hero__meta-item svg { width: 15px; height: 15px; color: var(--brand-400); flex-shrink: 0; }

/* 右侧「运营看板」 */
.hero__panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(165deg, rgba(15, 42, 33, 0.86), rgba(6, 19, 16, 0.92));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 40px 90px -32px rgba(0, 0, 0, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  animation: floatIn 1.1s var(--ease-out) 0.5s backwards;
}
@keyframes floatIn {
  from { opacity: 0; transform: translateY(36px) scale(0.97); }
}

.panel__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(3, 9, 7, 0.4);
}
.panel__dots { display: flex; gap: 6px; }
.panel__dots i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ink-600);
}
.panel__dots i:first-child { background: var(--brand-500); }
.panel__title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.panel__live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  color: var(--brand-300);
}
.panel__live::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-400);
  animation: pulseDot 1.8s infinite;
}

.panel__body { padding: 22px 20px 24px; display: flex; flex-direction: column; gap: 20px; }

.panel__kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.kpi {
  padding: 14px 15px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--glass);
}
.kpi__label {
  font-size: 0.6875rem;
  color: var(--muted-dim);
  letter-spacing: 0.06em;
}
.kpi__value {
  display: flex;
  align-items: baseline;
  gap: 3px;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: -0.02em;
}
.kpi__unit { font-size: 0.75rem; color: var(--brand-300); font-family: var(--font-sans); }
.kpi__trend { font-size: 0.6875rem; color: var(--brand-400); }

.panel__chart { display: flex; flex-direction: column; gap: 10px; }
.panel__chart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted-dim);
}
.panel__chart canvas { width: 100%; height: 116px; }

.panel__feed { display: flex; flex-direction: column; gap: 2px; }
.feed-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 8px 2px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8125rem;
}
.feed-row__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-500);
  box-shadow: 0 0 8px var(--brand-500);
}
.feed-row__text { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.feed-row__time { font-family: var(--font-mono); font-size: 0.6875rem; color: var(--muted-dim); }

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  color: var(--muted-dim);
}
.hero__scroll i {
  width: 1px; height: 40px;
  background: linear-gradient(var(--brand-400), transparent);
  animation: scrollHint 2s var(--ease-in-out) infinite;
}
@keyframes scrollHint {
  0% { transform: scaleY(0.2); transform-origin: top; opacity: 0; }
  40% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* --------------------------------------------------------------------------
   12. Marquee
   -------------------------------------------------------------------------- */
.marquee {
  position: relative;
  border-block: 1px solid var(--line-soft);
  background: rgba(6, 19, 16, 0.6);
  padding-block: 16px;
  overflow: hidden;
  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;
  width: max-content;
  gap: 44px;
  animation: marquee 34s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}
.marquee__item svg { width: 17px; height: 17px; color: var(--brand-500); }
.marquee__sep { color: var(--brand-700); }

/* --------------------------------------------------------------------------
   13. Stats strip
   -------------------------------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(230, 242, 234, 0.05), rgba(230, 242, 234, 0.01));
  overflow: hidden;
}
.stat {
  position: relative;
  padding: clamp(24px, 2.8vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat + .stat { border-left: 1px solid var(--line-soft); }
.stat__num {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: clamp(2rem, 3.4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-strong);
}
.stat__suffix { font-family: var(--font-sans); font-size: 1rem; color: var(--brand-300); font-weight: 700; }
.stat__label { font-size: 0.875rem; color: var(--muted); }
.stat__sub { font-family: var(--font-mono); font-size: 0.625rem; letter-spacing: 0.14em; color: var(--muted-dim); }

/* --------------------------------------------------------------------------
   14. Bento grid (业务矩阵)
   -------------------------------------------------------------------------- */
.bento {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}
.bento > * { min-width: 0; }
.bento__lg { grid-column: span 4; }
.bento__md { grid-column: span 2; }
.bento__sm { grid-column: span 2; }
.bento__half { grid-column: span 3; }

.svc {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 240px;
}
.svc__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.svc__title { font-size: 1.25rem; font-weight: 800; color: var(--text-strong); }
.svc__desc { font-size: 0.9375rem; color: var(--muted); line-height: 1.8; }
.svc__list { display: flex; flex-direction: column; gap: 9px; margin-top: auto; }
.svc__list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 0.875rem;
  color: var(--muted);
}
.svc__list li::before {
  content: "";
  flex-shrink: 0;
  margin-top: 8px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--brand-500);
  box-shadow: 0 0 7px rgba(60, 180, 92, 0.8);
}
.svc__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; }

.svc--feature {
  min-height: 340px;
  background:
    radial-gradient(760px circle at 88% 8%, rgba(23, 107, 61, 0.5), transparent 62%),
    linear-gradient(160deg, rgba(230, 242, 234, 0.06), rgba(230, 242, 234, 0.012)),
    var(--ink-900);
}
.svc--feature .svc__title { font-size: clamp(1.35rem, 2.2vw, 1.85rem); }

/* --------------------------------------------------------------------------
   15. Process (回收流程)
   -------------------------------------------------------------------------- */
.process { position: relative; display: grid; gap: 18px; }
.process__rail {
  position: absolute;
  top: 32px; left: 0; right: 0;
  height: 1px;
  background: var(--line-soft);
}
.process__rail-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: linear-gradient(90deg, var(--brand-600), var(--tech-500));
  box-shadow: 0 0 10px rgba(57, 224, 180, 0.6);
  transition: width 1.4s var(--ease-out);
}
.process__steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}
.step { display: flex; flex-direction: column; gap: 14px; }
.step__node {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 64px; height: 64px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--ink-700), var(--ink-900));
  color: var(--brand-300);
  transition: transform 0.5s var(--ease-spring), border-color 0.4s, box-shadow 0.4s, color 0.4s;
}
.step__node svg { width: 26px; height: 26px; }
.step:hover .step__node {
  transform: translateY(-4px) scale(1.06);
  border-color: var(--brand-400);
  color: var(--tech-300);
  box-shadow: 0 14px 36px -12px rgba(57, 224, 180, 0.6);
}
.step__no {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  color: var(--brand-600);
}
.step__title { font-size: 1.0625rem; font-weight: 700; color: var(--text-strong); }
.step__desc { font-size: 0.875rem; color: var(--muted); line-height: 1.8; }

/* --------------------------------------------------------------------------
   16. 覆盖网络 / 地图
   -------------------------------------------------------------------------- */
.coverage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: center;
}

.map-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 50% 45%, rgba(23, 107, 61, 0.3), transparent 62%),
    var(--ink-900);
  padding: 20px;
  overflow: hidden;
}
.map-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(142, 220, 118, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(142, 220, 118, 0.07) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}
.map-frame__corner {
  position: absolute;
  width: 18px; height: 18px;
  border: 1px solid var(--brand-500);
  opacity: 0.6;
}
.map-frame__corner:nth-child(1) { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.map-frame__corner:nth-child(2) { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.map-frame__corner:nth-child(3) { bottom: 12px; left: 12px; border-right: 0; border-top: 0; }
.map-frame__corner:nth-child(4) { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }
.map-frame canvas { position: relative; width: 100%; aspect-ratio: 1 / 0.86; }

.map-legend {
  position: absolute;
  left: 22px; bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(3, 9, 7, 0.72);
  backdrop-filter: blur(10px);
  font-size: 0.75rem;
  color: var(--muted);
}
.map-legend i {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 8px;
}
.map-legend__row { display: flex; align-items: center; }

.town-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 8px;
}
.town {
  padding: 9px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: var(--glass);
  font-size: 0.8125rem;
  text-align: center;
  color: var(--muted);
  transition: color 0.3s, border-color 0.3s, background 0.3s, transform 0.3s var(--ease-out);
}
.town:hover {
  color: var(--brand-200);
  border-color: var(--brand-600);
  background: rgba(60, 180, 92, 0.1);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   17. 政企合作
   -------------------------------------------------------------------------- */
.gov {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    radial-gradient(900px circle at 82% 12%, rgba(57, 224, 180, 0.16), transparent 60%),
    radial-gradient(700px circle at 8% 92%, rgba(23, 107, 61, 0.42), transparent 62%),
    var(--ink-900);
  padding: clamp(30px, 4vw, 60px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(30px, 4vw, 56px);
  align-items: center;
}
.gov__copy { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }
.gov__list { display: grid; gap: 12px; }
.gov__row {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(3, 9, 7, 0.35);
  transition: border-color 0.35s, transform 0.35s var(--ease-out), background 0.35s;
}
.gov__row:hover {
  border-color: var(--brand-600);
  background: rgba(60, 180, 92, 0.07);
  transform: translateX(4px);
}
.gov__row svg { width: 20px; height: 20px; color: var(--brand-300); flex-shrink: 0; margin-top: 3px; }
.gov__row b { display: block; color: var(--text-strong); font-size: 0.9375rem; }
.gov__row span { font-size: 0.8125rem; color: var(--muted); }

.seal {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  max-width: 340px;
  margin-inline: auto;
  width: 100%;
}
.seal__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed rgba(142, 220, 118, 0.28);
  animation: spinSlow 46s linear infinite;
}
.seal__ring:nth-child(2) { inset: 13%; border-style: solid; border-color: rgba(57, 224, 180, 0.2); animation-duration: 32s; animation-direction: reverse; }
.seal__ring:nth-child(3) { inset: 26%; border-color: rgba(142, 220, 118, 0.16); animation-duration: 22s; }
@keyframes spinSlow { to { transform: rotate(360deg); } }
.seal__core {
  position: relative;
  width: 42%;
  display: grid;
  place-items: center;
  text-align: center;
  gap: 4px;
}
.seal__core img { width: 60%; }
.seal__tick {
  position: absolute;
  top: 50%; left: 50%;
  width: 8px; height: 8px;
  margin: -4px;
  border-radius: 50%;
  background: var(--tech-500);
  box-shadow: 0 0 12px var(--tech-500);
}

/* --------------------------------------------------------------------------
   18. 再生资源品类
   -------------------------------------------------------------------------- */
.mat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px;
}
.mat {
  position: relative;
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(230, 242, 234, 0.045), transparent);
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
  transition: border-color 0.4s, transform 0.45s var(--ease-out), background 0.4s;
}
.mat:hover {
  border-color: var(--brand-600);
  transform: translateY(-4px);
  background: linear-gradient(160deg, rgba(60, 180, 92, 0.12), transparent);
}
.mat__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.mat__name { font-size: 1.0625rem; font-weight: 700; color: var(--text-strong); }
.mat__icon { color: var(--brand-400); }
.mat__icon svg { width: 22px; height: 22px; }
.mat__items { font-size: 0.8125rem; color: var(--muted); line-height: 1.8; }
.mat__bar { height: 3px; border-radius: 99px; background: var(--ink-700); overflow: hidden; }
.mat__bar i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--brand-600), var(--tech-500));
  transition: width 1.3s var(--ease-out);
}
.mat__foot {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--muted-dim);
}

/* --------------------------------------------------------------------------
   19. News
   -------------------------------------------------------------------------- */
.news-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.news-card { display: flex; flex-direction: column; }
.news-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(circle at 30% 30%, rgba(60, 180, 92, 0.3), transparent 60%),
    linear-gradient(140deg, var(--ink-700), var(--ink-900));
  overflow: hidden;
  display: grid;
  place-items: center;
}
.news-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(142, 220, 118, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(142, 220, 118, 0.08) 1px, transparent 1px);
  background-size: 26px 26px;
}
.news-card__media svg { width: 46px; height: 46px; color: rgba(142, 220, 118, 0.45); position: relative; }
.news-card__tag {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 1;
  padding: 4px 10px;
  border-radius: 99px;
  background: rgba(3, 9, 7, 0.7);
  border: 1px solid var(--line);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--brand-200);
  backdrop-filter: blur(8px);
}
.news-card__body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-card__date { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.12em; color: var(--muted-dim); }
.news-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-strong);
  line-height: 1.55;
  transition: color 0.3s;
}
.news-card:hover .news-card__title { color: var(--brand-300); }
.news-card__excerpt { font-size: 0.875rem; color: var(--muted); line-height: 1.8; }
.news-card__more { margin-top: auto; padding-top: 12px; }

/* --------------------------------------------------------------------------
   20. CTA
   -------------------------------------------------------------------------- */
.cta {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: clamp(38px, 5.5vw, 84px) clamp(26px, 4vw, 64px);
  text-align: center;
  background:
    radial-gradient(900px circle at 50% 0%, rgba(60, 180, 92, 0.28), transparent 62%),
    linear-gradient(180deg, rgba(15, 42, 33, 0.7), var(--ink-900));
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(142, 220, 118, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(142, 220, 118, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, #000, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 30%, #000, transparent 72%);
}
.cta__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.cta .eyebrow { align-self: center; }
.cta .lead { text-align: center; }

/* --------------------------------------------------------------------------
   21. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(6, 19, 16, 0.6), var(--ink-950));
  padding-top: clamp(48px, 6vw, 76px);
}
.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: 44px;
}
.footer__about { display: flex; flex-direction: column; gap: 16px; }
.footer__about p { font-size: 0.875rem; color: var(--muted); line-height: 1.85; max-width: 40ch; }
.footer__col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-strong);
  margin-bottom: 16px;
}
.footer__links { display: flex; flex-direction: column; gap: 11px; }
.footer__links a, .footer__links li {
  font-size: 0.875rem;
  color: var(--muted);
  transition: color 0.3s, transform 0.3s var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer__links a:hover { color: var(--brand-300); transform: translateX(3px); }
.footer__links svg { width: 14px; height: 14px; color: var(--brand-600); flex-shrink: 0; }

.footer__bottom {
  border-top: 1px solid var(--line-soft);
  padding-block: 22px 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--muted-dim);
}
/*
 * 协议与政策链接
 *
 * 和备案号并排放在页脚底栏。这四份是官网和小程序共用的同一批页面（legal/ 目录），
 * 小程序通过 web-view 打开，官网直接点进去 —— 只有一处正文，不会出现两个版本。
 */
.footer__legal { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.footer__legal a { color: var(--muted-dim); transition: color 0.3s; }
.footer__legal a:hover { color: var(--brand-300); }

.beian { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; }
.beian a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted-dim);
  transition: color 0.3s;
}
.beian a:hover { color: var(--brand-300); }
.beian img { width: 15px; height: 16px; }
/* 公安备案占位（待备案号下发后启用） */
.beian__police-placeholder {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted-dim);
  opacity: 0.55;
}

/* --------------------------------------------------------------------------
   22. Floating actions
   -------------------------------------------------------------------------- */
.dock {
  position: fixed;
  right: 18px;
  bottom: 22px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}
.dock__btn {
  position: relative;
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(10, 29, 23, 0.82);
  backdrop-filter: blur(12px);
  color: var(--brand-300);
  transition: transform 0.4s var(--ease-spring), border-color 0.3s, color 0.3s, box-shadow 0.3s;
}
.dock__btn svg { width: 20px; height: 20px; }
.dock__btn:hover {
  transform: translateY(-3px);
  border-color: var(--brand-400);
  color: var(--tech-300);
  box-shadow: 0 12px 30px -10px rgba(57, 224, 180, 0.55);
}
.dock__btn--cta {
  display: flex;
  align-items: center;
  width: auto;
  padding-inline: 16px;
  gap: 8px;
  white-space: nowrap;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ink-950);
  background: linear-gradient(105deg, var(--brand-300), var(--tech-500));
  border-color: transparent;
}
.dock__btn--cta:hover { color: var(--ink-950); }
.dock__tip {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  padding: 6px 11px;
  border-radius: 9px;
  border: 1px solid var(--line-soft);
  background: rgba(3, 9, 7, 0.92);
  font-size: 0.75rem;
  white-space: nowrap;
  color: var(--text);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s var(--ease-out);
}
.dock__btn:hover .dock__tip { opacity: 1; transform: translateY(-50%); }

.to-top { opacity: 0; visibility: hidden; transition: opacity 0.4s, visibility 0.4s, transform 0.4s; }
.to-top.is-on { opacity: 1; visibility: visible; }

/* --------------------------------------------------------------------------
   23. Scroll reveal
   -------------------------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
  transition-delay: var(--rd, 0ms);
}
[data-reveal="left"] { transform: translateX(-30px); }
[data-reveal="right"] { transform: translateX(30px); }
[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal="none"] { transform: none; }
[data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* --------------------------------------------------------------------------
   24. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .hero__grid { grid-template-columns: 1fr; gap: 44px; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 64px); padding-bottom: 80px; }
  .hero__title { max-width: 20ch; }
  .hero__scroll { display: none; }
  .bento__lg { grid-column: span 6; }
  .bento__md, .bento__sm { grid-column: span 3; }
  .bento__half { grid-column: span 6; }
  .process__steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .process__rail { display: none; }
  .coverage { grid-template-columns: 1fr; }
  .gov { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .nav, .header__actions .btn { display: none; }
  .nav-toggle { display: block; }
  /* .nav 隐藏后它的 margin-left:auto 一并失效，需由操作区顶住右侧 */
  .header__actions { margin-left: auto; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n + 3) { border-top: 1px solid var(--line-soft); }
}

@media (max-width: 640px) {
  :root { --header-h: 64px; }
  body { font-size: 15px; }
  .bento__md, .bento__sm { grid-column: span 6; }
  .process__steps { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .panel__kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-head--split { flex-direction: column; align-items: flex-start; }
  .dock__btn--cta span { display: none; }
  .dock__btn--cta { width: 46px; padding-inline: 0; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}