/* 集福助老 · 宣传站设计系统
 * 深青绿信任色 + 品牌暖橙；字号阶梯 / 间距节奏 / 阅读行宽统一
 */
:root {
  /* 色 */
  --ink: #12221e;
  --ink-soft: #4a5c56;
  --ink-mute: #6f817a;
  --paper: #f4f7f5;
  --mist: #e6eeea;
  --white: #ffffff;
  --sea: #1f554c;
  --sea-deep: #0f2f2a;
  --coral: #e86a20;
  --coral-hot: #f0833f;
  --teal-soft: #2f7a6e;
  --line: rgba(15, 47, 42, 0.09);
  --line-strong: rgba(15, 47, 42, 0.14);

  /* 字 */
  --font-display: "Noto Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --font-en: "Outfit", "Noto Sans SC", sans-serif;
  --fs-hero-brand: clamp(2.75rem, 6.5vw, 4.25rem);
  --fs-hero-title: clamp(1.28rem, 2.5vw, 1.7rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.15rem);
  --fs-h3: clamp(1.12rem, 1.7vw, 1.3rem);
  --fs-body: 1rem;
  --fs-body-lg: 1.0625rem;
  --fs-sm: 0.875rem;
  --fs-xs: 0.75rem;
  --lh-tight: 1.28;
  --lh-title: 1.38;
  --lh-body: 1.75;
  --tracking-display: 0.04em;
  --tracking-label: 0.04em;

  /* 间距 */
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 36px;
  --space-6: 48px;
  --space-7: clamp(72px, 11vh, 112px);
  --gutter: clamp(20px, 3.5vw, 48px);
  --measure: 42em;
  --content: 1180px;
  --content-narrow: 820px;
  --radius: 4px;
  --radius-media: 10px;

  --shadow: 0 18px 48px rgba(15, 47, 42, 0.1);
  --phone-shadow: 0 22px 50px rgba(15, 47, 42, 0.18);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 72px;
}

*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 100% -10%, rgba(232, 106, 32, 0.06), transparent 55%),
    radial-gradient(ellipse 70% 45% at -5% 30%, rgba(31, 85, 76, 0.05), transparent 50%),
    var(--paper);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: var(--lh-body);
  letter-spacing: 0.015em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(232, 106, 32, 0.18);
  color: var(--ink);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
strong { font-weight: 600; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  padding: 8px 12px;
  background: var(--coral);
  color: var(--white);
}
.skip-link:focus { left: 12px; top: 12px; }

/* ========== 顶栏 ========== */
.site-nav {
  --nav-fg: #ffffff;
  --nav-muted: #ffffff;
  --nav-hover-bg: rgba(255, 255, 255, 0.16);
  --nav-active-bg: rgba(255, 255, 255, 0.2);
  --nav-shadow: 0 1px 3px rgba(0, 0, 0, 0.55);
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  color: var(--nav-fg);
  border-bottom: none;
  background: transparent;
  transition:
    background 0.3s var(--ease),
    color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}
.site-nav.is-solid,
.site-nav.is-open {
  --nav-fg: var(--sea-deep);
  --nav-muted: var(--ink-soft);
  --nav-hover-bg: rgba(15, 47, 42, 0.05);
  --nav-active-bg: rgba(15, 47, 42, 0.08);
  --nav-shadow: none;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: 0 10px 32px rgba(15, 47, 42, 0.06);
}
.site-nav__bar {
  width: min(var(--content), calc(100% - 2 * var(--gutter)));
  height: var(--nav-h);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  column-gap: clamp(28px, 4vw, 56px);
}
.site-nav__brand {
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: 0.05em;
  color: var(--nav-fg);
  text-shadow: var(--nav-shadow);
  transition: opacity 0.2s;
}
.site-nav__brand:hover { opacity: 0.88; }
.site-nav__brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18);
}
.site-nav.is-solid .site-nav__brand img,
.site-nav.is-open .site-nav__brand img {
  box-shadow: 0 0 0 1px var(--line);
}
.site-nav__links {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: nowrap;
  gap: 8px;
  justify-self: center;
  max-width: 100%;
  padding: 6px 8px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.site-nav.is-solid .site-nav__links,
.site-nav.is-open .site-nav__links {
  background: rgba(15, 47, 42, 0.045);
}
.site-nav__links a {
  position: relative;
  flex: 0 0 auto;
  padding: 10px 18px;
  color: var(--nav-muted);
  border-radius: 999px;
  white-space: nowrap;
  text-shadow: var(--nav-shadow);
  font-weight: 600;
  transition: color 0.2s, background 0.2s;
}
.site-nav__links a:hover {
  color: var(--nav-fg);
  background: var(--nav-hover-bg);
}
.site-nav__links a.is-active {
  color: var(--nav-fg);
  font-weight: 600;
  background: var(--nav-active-bg);
}
.site-nav.is-solid .site-nav__links a.is-active,
.site-nav.is-open .site-nav__links a.is-active {
  background: var(--white);
  color: var(--sea-deep);
  box-shadow: 0 1px 4px rgba(15, 47, 42, 0.08);
}
.site-nav__actions {
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  justify-self: end;
}
.site-nav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--coral);
  color: #fff !important;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: 0 6px 16px rgba(232, 106, 32, 0.28);
  transition: transform 0.2s var(--ease), background 0.2s, box-shadow 0.2s;
}
.site-nav__cta:hover {
  background: var(--coral-hot);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(232, 106, 32, 0.34);
}
.site-nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.14);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.site-nav.is-solid .site-nav__toggle,
.site-nav.is-open .site-nav__toggle {
  background: rgba(15, 47, 42, 0.06);
}
.site-nav__toggle span {
  display: block;
  width: 17px;
  height: 2px;
  border-radius: 999px;
  background: var(--nav-fg);
  box-shadow: var(--nav-shadow);
  transition: transform 0.25s var(--ease), opacity 0.2s;
}
.site-nav.is-open .site-nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav.is-open .site-nav__toggle span:nth-child(2) { opacity: 0; }
.site-nav.is-open .site-nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.site-nav__drawer {
  width: min(var(--content), calc(100% - 2 * var(--gutter)));
  margin: 0 auto;
  display: grid;
  gap: 2px;
  padding: 8px 0 20px;
}
.site-nav.is-open .site-nav__drawer {
  margin-top: 0;
  padding-top: 12px;
}
.site-nav__drawer[hidden] { display: none !important; }
.site-nav__drawer a {
  padding: 13px 14px;
  border-radius: 10px;
  color: var(--sea-deep);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}
.site-nav__drawer a:hover,
.site-nav__drawer a.is-active { background: rgba(15, 47, 42, 0.06); }
.site-nav__drawer-cta {
  margin-top: 10px;
  text-align: center;
  background: var(--coral) !important;
  color: #fff !important;
  font-weight: 600 !important;
}
@media (max-width: 1180px) {
  .site-nav__links a { padding: 9px 14px; font-size: 0.88rem; }
  .site-nav__links { gap: 4px; padding: 5px 6px; }
  .site-nav__bar { column-gap: 20px; }
}
@media (max-width: 1040px) {
  .site-nav__bar { grid-template-columns: 1fr auto; }
  .site-nav__links,
  .site-nav__cta { display: none; }
  .site-nav__toggle { display: inline-flex; }
  .site-nav.is-open {
    background: rgba(255, 255, 255, 0.97);
  }
}
@media (min-width: 1041px) {
  .site-nav__drawer { display: none !important; }
}

/* ========== 首屏 ========== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 28%;
  transform: scale(1.05);
  animation: heroDrift 20s var(--ease) infinite alternate;
  will-change: transform;
}
@keyframes heroDrift {
  from { transform: scale(1.05); }
  to { transform: scale(1.1) translate3d(-1%, -0.8%, 0); }
}
.hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 28, 24, 0.06) 0%,
    rgba(10, 28, 24, 0.04) 45%,
    rgba(10, 28, 24, 0.32) 72%,
    rgba(8, 22, 19, 0.58) 100%
  );
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
  padding: calc(var(--nav-h) + var(--space-6)) var(--gutter) clamp(56px, 10vh, 96px);
}
.hero__brand {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-hero-brand);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.06em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}
.hero__headline {
  margin: 0 0 var(--space-3);
  max-width: 18em;
  font-family: var(--font-body);
  font-size: var(--fs-hero-title);
  font-weight: 500;
  line-height: var(--lh-title);
  letter-spacing: 0.01em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.3);
}
.hero__lead {
  margin: 0 0 var(--space-5);
  max-width: 28em;
  font-size: var(--fs-body-lg);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.28);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--coral);
  color: var(--white);
  box-shadow: 0 10px 28px rgba(232, 106, 32, 0.32);
}
.btn--primary:hover { background: var(--coral-hot); }
.btn--ghost {
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}
.btn--ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.16);
}
.btn--on-light { box-shadow: 0 10px 28px rgba(232, 106, 32, 0.25); }
.btn--on-dark { box-shadow: 0 10px 28px rgba(232, 106, 32, 0.4); }
.text-link {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--coral);
  transition: transform 0.2s var(--ease);
}
.text-link:hover { transform: translateX(4px); }

/* ========== 数据条 ========== */
.proof {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 40%),
    var(--sea);
  color: var(--white);
  padding: clamp(40px, 7vh, 64px) 0;
}
.proof__inner {
  width: min(var(--content), calc(100% - 2 * var(--gutter)));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  text-align: center;
}
.proof__item {
  display: grid;
  gap: 10px;
  justify-items: center;
  position: relative;
}
.proof__item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 12%;
  right: 0;
  width: 1px;
  height: 76%;
  background: rgba(255, 255, 255, 0.18);
}
.proof__num {
  margin: 0;
  display: inline-flex;
  align-items: flex-start;
  font-family: var(--font-en);
  font-size: clamp(2.35rem, 4.5vw, 3.1rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: #ffb078;
  opacity: 0.55;
  transform: translateY(10px) scale(0.96);
  transition:
    opacity 0.55s var(--ease),
    transform 0.55s var(--ease);
}
.proof.is-counting .proof__num {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.proof.is-counting .proof__item:nth-child(2) .proof__num { transition-delay: 0.12s; }
.proof.is-counting .proof__item:nth-child(3) .proof__num { transition-delay: 0.24s; }
.proof__count {
  font-variant-numeric: tabular-nums;
  min-width: 1.2ch;
}
.proof__plus {
  margin-left: 1px;
  font-size: 0.55em;
  font-weight: 600;
  line-height: 1.05;
  color: #ffd2b0;
  opacity: 0;
  transform: translateY(4px);
  transition:
    opacity 0.4s var(--ease) 0.35s,
    transform 0.4s var(--ease) 0.35s;
}
.proof.is-counting .proof__plus {
  opacity: 1;
  transform: translateY(0);
}
.proof.is-counting .proof__item:nth-child(2) .proof__plus { transition-delay: 0.48s; }
.proof.is-counting .proof__item:nth-child(3) .proof__plus { transition-delay: 0.6s; }
.proof__label {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.04em;
  line-height: 1.45;
}
@media (max-width: 700px) {
  .proof__inner { grid-template-columns: 1fr; gap: var(--space-4); }
  .proof__item:not(:last-child)::after {
    top: auto;
    right: 18%;
    bottom: 0;
    left: 18%;
    width: auto;
    height: 1px;
  }
  .proof__item { padding-bottom: var(--space-4); }
  .proof__item:last-child { padding-bottom: 0; }
}

/* ========== 章节骨架 ========== */
.section { padding: var(--space-7) 0; }
.section__inner,
.section__inner--wide {
  width: min(var(--content), calc(100% - 2 * var(--gutter)));
  margin: 0 auto;
}
.section__inner {
  width: min(960px, calc(100% - 2 * var(--gutter)));
}

.section-head {
  max-width: none;
  margin-bottom: var(--space-5);
}
.section-head .section__title {
  max-width: none;
  word-break: keep-all;
  overflow-wrap: break-word;
  line-break: strict;
}
.section-head .section__text {
  max-width: min(48rem, 100%);
}
.section__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: var(--lh-title);
  letter-spacing: 0.015em;
  color: var(--sea-deep);
  word-break: keep-all;
}
.section-head .section__title { margin-bottom: 14px; }
.section__text {
  margin: 0 0 var(--space-5);
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: var(--fs-body-lg);
  line-height: 1.8;
}
.section-head .section__text { margin-bottom: 0; }

/* ========== 关于 ========== */
.section--about { background: var(--paper); }
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.28fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}
.about-copy .section-head { margin-bottom: var(--space-4); }
.about-copy .section__title {
  max-width: 12em;
}
.about-copy .section__text {
  margin-bottom: 0;
  max-width: none;
  font-size: 1rem;
  line-height: 1.75;
}
.pillars {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.pillars li {
  display: grid;
  grid-template-columns: 4.5em 1fr;
  gap: var(--space-3);
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.6;
}
.pillars strong {
  color: var(--sea-deep);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.about-visual { margin: 0; }
.about-visual .zoomable {
  display: block;
  width: 100%;
  border-radius: var(--radius-media);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--sea-deep);
  border: 1px solid var(--line);
}
.about-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s var(--ease);
}
.about-visual .zoomable:hover img {
  transform: scale(1.02);
}
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .about-copy .section__title { max-width: none; }
  .about-visual img { max-height: 340px; }
}

/* ========== 价值 ========== */
.section--value { background: var(--mist); }
.value-audiences {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin: 0 0 var(--space-5);
}
.value-audience {
  padding: var(--space-4) var(--space-4) var(--space-3);
  background: var(--white);
  border-left: 3px solid var(--coral);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.value-audience:last-child { border-left-color: var(--teal-soft); }
.value-audience__who {
  margin: 0 0 var(--space-3);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--sea-deep);
}
.value-audience ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.value-audience li {
  position: relative;
  padding: 10px 0 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.value-audience li:first-of-type { border-top: none; padding-top: 0; }
.value-audience li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--coral);
}
.value-audience:last-child li::before { background: var(--teal-soft); }

.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.value-card {
  padding: var(--space-4);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.value-card__idx {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--coral);
}
.value-card h3 {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  letter-spacing: 0.02em;
  color: var(--sea-deep);
  line-height: var(--lh-tight);
}
.value-dl { margin: 0; display: grid; gap: 0; }
.value-dl > div {
  display: grid;
  grid-template-columns: 2.5em 1fr;
  gap: var(--space-2);
  align-items: start;
  padding: 12px 0 0;
  margin-top: 12px;
  border-top: 1px solid var(--line);
}
.value-dl dt {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--sea-deep);
  padding-top: 2px;
}
.value-dl dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ink-soft);
}
@media (max-width: 800px) {
  .value-audiences,
  .value-grid { grid-template-columns: 1fr; }
}

/* ========== 政策 ========== */
.section--policy { background: var(--paper); }
.policy-takeaway {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 0 var(--space-5);
  background: var(--sea-deep);
  overflow: hidden;
  border-radius: var(--radius-media);
}
.policy-takeaway article {
  padding: var(--space-4) var(--space-4) calc(var(--space-4) + 2px);
  color: rgba(255, 255, 255, 0.86);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}
.policy-takeaway article:last-child { border-right: none; }
.policy-takeaway span {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--coral-hot);
}
.policy-takeaway h3 {
  margin: 0 0 8px;
  font-size: 1.12rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}
.policy-takeaway p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
}

.policy-docs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  width: 100%;
  min-width: 0;
}
.policy-doc {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  background: var(--mist);
  border-top: 3px solid var(--coral);
  border-radius: 0 0 var(--radius) var(--radius);
}
.policy-doc__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: var(--space-2);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--coral);
}
.policy-doc__meta time { color: var(--ink-mute); font-weight: 500; }
.policy-doc h3 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.4;
  letter-spacing: 0.015em;
}
.policy-doc__title {
  color: var(--sea-deep);
  text-decoration: underline;
  text-decoration-color: rgba(232, 106, 32, 0.55);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.2em;
  transition: color 0.2s var(--ease), text-decoration-color 0.2s;
}
.policy-doc__title:hover {
  color: var(--coral);
  text-decoration-color: var(--coral);
}
.policy-doc__lead {
  margin: 0 0 var(--space-4);
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--ink-soft);
  overflow-wrap: break-word;
  word-break: normal;
}
.policy-doc__tri {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: auto;
  margin-bottom: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.policy-doc__tri div {
  min-width: 0;
  padding: 14px 12px;
  background: var(--white);
}
.policy-doc__tri span {
  display: block;
  margin-bottom: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--sea-deep);
}
.policy-doc__tri p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

.policy-map {
  margin: 0 0 var(--space-5);
  border: 1px solid var(--line);
  background: var(--white);
  overflow: hidden;
  border-radius: var(--radius);
}
.policy-map__head,
.policy-map__row { display: grid; grid-template-columns: 1.15fr 1fr 1.15fr; }
.policy-map__cell {
  padding: 15px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ink-soft);
}
.policy-map__cell:last-child { border-right: none; }
.policy-map__head .policy-map__cell {
  background: rgba(15, 47, 42, 0.04);
  color: var(--sea-deep);
  font-weight: 700;
  font-size: 0.84rem;
  letter-spacing: 0.02em;
}
.policy-map__row:last-child .policy-map__cell { border-bottom: none; }
.policy-map__row .policy-map__cell:last-child {
  color: var(--ink);
  font-weight: 500;
}

.policy-bridge {
  padding: var(--space-4) 0 0;
  border-top: 1px solid var(--line);
}
.policy-bridge__quote {
  margin: 0;
  max-width: none;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  line-height: 1.7;
  letter-spacing: 0.015em;
  color: var(--sea-deep);
  white-space: nowrap;
}

@media (max-width: 900px) {
  .policy-bridge__quote { white-space: normal; }
  .policy-takeaway,
  .policy-docs { grid-template-columns: 1fr; }
  .policy-takeaway article {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .policy-takeaway article:last-child { border-bottom: none; }
  .policy-doc__tri { grid-template-columns: 1fr; }
  .policy-map__head { display: none; }
  .policy-map__row { grid-template-columns: 1fr; border-bottom: 1px solid var(--line); }
  .policy-map__row:last-child { border-bottom: none; }
  .policy-map__cell { border-right: none; border-bottom: none; padding: 6px 14px; }
  .policy-map__cell:first-child {
    font-weight: 700;
    color: var(--sea-deep);
    padding-top: 14px;
  }
  .policy-map__cell:nth-child(2)::before,
  .policy-map__cell:nth-child(3)::before {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--coral);
    margin-bottom: 2px;
  }
  .policy-map__cell:nth-child(2)::before { content: "难点"; }
  .policy-map__cell:nth-child(3)::before { content: "承接"; color: var(--sea-deep); }
}

/* ========== 流程 + 闭环图 ========== */
.section--flow { background: var(--mist); }

.loop {
  margin: 0 0 var(--space-5);
  padding: var(--space-5) var(--space-4);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-media);
}
.loop__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  align-items: stretch;
  counter-reset: none;
}
.loop__node {
  position: relative;
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 8px;
  padding: 8px 12px 4px;
  align-content: start;
}
.loop__node:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 28px;
  right: -2%;
  width: 4%;
  min-width: 18px;
  height: 2px;
  background: var(--coral);
}
.loop__node:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 24px;
  right: -2%;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 7px solid var(--coral);
  z-index: 1;
  transform: translateX(100%);
}
.loop__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--sea-deep);
  color: #fff;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 0 0 5px rgba(232, 106, 32, 0.12);
}
.loop__node:nth-child(2) .loop__num { background: var(--coral); }
.loop__node:nth-child(3) .loop__num { background: #c45c26; }
.loop__node:nth-child(4) .loop__num { background: var(--teal-soft); }
.loop__node:nth-child(5) .loop__num {
  background: var(--sea);
  box-shadow: 0 0 0 5px rgba(31, 85, 76, 0.14);
}
.loop__node strong {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--sea-deep);
  letter-spacing: 0.015em;
}
.loop__role {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--coral);
  line-height: 1.3;
}
.loop__node > span:last-child {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 11em;
}

@media (max-width: 1100px) {
  .loop__track { grid-template-columns: repeat(3, 1fr); row-gap: var(--space-4); }
  .loop__node:nth-child(3)::after,
  .loop__node:nth-child(3)::before,
  .loop__node:nth-child(5)::after,
  .loop__node:nth-child(5)::before { display: none; }
}
@media (max-width: 900px) {
  .loop__track { grid-template-columns: 1fr 1fr; row-gap: var(--space-4); }
  .loop__node:nth-child(odd)::after,
  .loop__node:nth-child(odd)::before,
  .loop__node:nth-child(5)::after,
  .loop__node:nth-child(5)::before { display: none; }
}
@media (max-width: 560px) {
  .loop {
    padding: var(--space-4) var(--space-3);
  }
  .loop__track {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .loop__node {
    padding: 14px 8px;
    grid-template-columns: 44px 1fr;
    grid-template-rows: auto auto;
    column-gap: 12px;
    justify-items: start;
    text-align: left;
    border-bottom: 1px solid var(--line);
  }
  .loop__node:last-child { border-bottom: none; }
  .loop__num { grid-row: 1 / span 2; }
  .loop__node::before,
  .loop__node::after { display: none !important; }
  .loop__node > span:last-child { max-width: none; }
}

/* ========== 管理端 ========== */
.section--admin {
  background: var(--sea-deep);
  color: var(--white);
}
.section--admin .section__title { color: #fff; }
.section--admin .section__text {
  color: rgba(255, 255, 255, 0.74);
  max-width: none;
}
.admin-banner {
  position: relative;
  margin: var(--space-4) 0 var(--space-5);
}
.admin-banner__viewport {
  overflow-x: auto;
  overflow-y: hidden;
  border-radius: var(--radius-media);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
  background: #0a1f1b;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
  touch-action: pan-x;
}
.admin-banner__viewport::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}
.admin-banner__viewport.is-dragging {
  cursor: grabbing;
  scroll-behavior: auto;
}
.admin-banner__track {
  display: flex;
}
.admin-banner__slide {
  margin: 0;
  flex: 0 0 100%;
  min-width: 100%;
  scroll-snap-align: start;
}
.admin-banner__slide .zoomable {
  display: block;
  width: 100%;
  background: #0a1f1b;
  cursor: zoom-in;
}
.admin-banner__img {
  display: block;
  width: 100%;
  height: auto;
  background: #0a1f1b;
  user-select: none;
  -webkit-user-drag: none;
}
.admin-banner__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}
.admin-banner__dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
  cursor: pointer;
}
.admin-banner__dots button.is-active {
  width: 22px;
  border-radius: 999px;
  background: var(--coral-hot);
}
.admin-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.admin-point h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.015em;
}
.admin-point p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.7);
}
@media (max-width: 800px) {
  .admin-points { grid-template-columns: 1fr; gap: var(--space-4); }
}

/* ========== 画廊 ========== */
.section--gallery {
  background: var(--mist);
  overflow: hidden;
}
.phone-rail {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  padding: var(--space-2) 2px var(--space-3);
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.phone-rail::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}
.phone {
  margin: 0;
  flex: 0 0 240px;
  width: 240px;
  scroll-snap-align: start;
}
.phone .zoomable {
  display: block;
  width: 100%;
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid rgba(15, 47, 42, 0.1);
  box-shadow: none;
  filter: none;
  background: #fff;
}
.phone img {
  width: 100%;
}
.phone figcaption {
  margin-top: 14px;
  display: grid;
  gap: 4px;
}
.phone figcaption strong {
  font-size: 0.95rem;
  color: var(--sea-deep);
}
.phone figcaption span {
  font-size: var(--fs-sm);
  color: var(--ink-mute);
}

/* ========== 角色（挂在流程区内） ========== */
.flow-roles {
  padding-top: var(--space-2);
}
.role-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.role-shot { margin: 0; }
.role-shot__frame {
  position: relative;
  margin-bottom: var(--space-3);
  overflow: hidden;
  border-radius: var(--radius-media);
  aspect-ratio: 3 / 4;
  background: #1a2e28;
  box-shadow: var(--shadow);
}
.role-shot__frame .zoomable {
  display: block;
  width: 100%;
  height: 100%;
}
.role-shot__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.role-shot:hover .role-shot__frame img { transform: scale(1.03); }
.role-shot__label {
  margin: 0 0 6px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--coral);
}
.role-shot h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  color: var(--sea-deep);
  letter-spacing: 0.015em;
}
.role-shot p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--ink-soft);
}
@media (max-width: 900px) {
  .role-gallery {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
}

/* ========== 体验入口 ========== */
.section--try { background: var(--paper); }
.try-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.try-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: clamp(24px, 3.5vw, 36px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-media);
  min-height: 100%;
}
.try-card__who {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--coral);
}
.try-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.015em;
  color: var(--sea-deep);
}
.try-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.try-card .btn { align-self: flex-start; margin-top: auto; }
.try-card--mini {
  flex-direction: row;
  align-items: center;
  gap: var(--space-4);
}
.try-card__body { flex: 1; min-width: 0; }
.try-card__qr {
  margin: 0;
  flex-shrink: 0;
  text-align: center;
}
.try-card__qr img {
  width: 132px;
  height: 132px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.try-card__qr figcaption {
  margin-top: 8px;
  font-size: var(--fs-sm);
  color: var(--ink-mute);
}
@media (max-width: 800px) {
  .try-grid { grid-template-columns: 1fr; }
  .try-card--mini {
    flex-direction: column;
    align-items: flex-start;
  }
  .try-card__qr { align-self: flex-start; }
}

/* ========== 开通 ========== */
.section--adopt {
  background: var(--mist);
  border-top: 1px solid var(--line);
}
.adopt-steps {
  list-style: none;
  margin: var(--space-5) 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.adopt-step {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--white);
  align-content: start;
  border-radius: var(--radius);
  border: 1px solid transparent;
  box-shadow: 0 1px 0 rgba(15, 47, 42, 0.04);
}
.adopt-step__n {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--coral);
  color: #fff;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 0.9rem;
}
.adopt-step h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  color: var(--sea-deep);
}
.adopt-step p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink-soft);
}
.adopt-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-5);
  align-items: center;
  padding: clamp(28px, 4vw, 40px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-media);
}
.adopt-box__copy { min-width: 0; }
.adopt-box h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.22rem;
  letter-spacing: 0.015em;
  color: var(--sea-deep);
}
.adopt-box p {
  margin: 0;
  max-width: none;
  color: var(--ink-soft);
  line-height: 1.75;
  font-size: 1rem;
}
.adopt-box__qr {
  margin: 0;
  text-align: center;
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.adopt-box__qr img {
  width: 148px;
  height: 148px;
  margin: 0 auto;
  object-fit: contain;
  background: #fff;
}
.adopt-box__qr figcaption {
  margin-top: 10px;
  font-size: var(--fs-sm);
  color: var(--ink-mute);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
@media (max-width: 800px) {
  .adopt-steps { grid-template-columns: 1fr; }
  .adopt-box {
    grid-template-columns: 1fr;
    justify-items: start;
  }
  .adopt-box__qr { justify-self: start; }
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-5) 0 calc(var(--space-5) + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.site-footer__inner {
  width: min(var(--content), calc(100% - 2 * var(--gutter)));
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 18px;
}
.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
}
.site-footer__brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  flex-shrink: 0;
}
.site-footer__brand strong {
  display: block;
  color: #fff;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  font-size: 1.05rem;
  line-height: 1.3;
}
.site-footer__brand span {
  display: block;
  margin-top: 2px;
  font-size: 0.84rem;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.55);
  white-space: nowrap;
}
.site-footer__beian {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.45);
}
.site-footer__beian a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}
.site-footer__beian a:hover {
  color: rgba(255, 255, 255, 0.75);
}
@media (max-width: 640px) {
  .site-footer__brand span { white-space: normal; }
}

/* ========== 动效 ========== */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__img { animation: none; transform: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .proof__num,
  .proof__plus {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ========== 可点击放大 + 灯箱 ========== */
.zoomable {
  position: relative;
  padding: 0;
  border: 0;
  cursor: zoom-in;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
}
.zoomable:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
}
.zoomable__hint {
  position: absolute;
  right: 10px;
  bottom: 10px;
  z-index: 1;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(15, 47, 42, 0.72);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.zoomable:hover .zoomable__hint,
.zoomable:focus-visible .zoomable__hint {
  opacity: 1;
  transform: none;
}
.section--admin .zoomable__hint {
  background: rgba(0, 0, 0, 0.55);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 24px;
}
.lightbox[hidden] { display: none !important; }
.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 18, 16, 0.82);
  backdrop-filter: blur(6px);
}
.lightbox__dialog {
  position: relative;
  z-index: 1;
  width: min(1080px, 100%);
  display: grid;
  justify-items: center;
  gap: 12px;
}
.lightbox__img {
  max-width: 100%;
  max-height: min(78vh, 860px);
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  background: #0a1a17;
}
.lightbox__caption {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.lightbox__close,
.lightbox__nav {
  position: absolute;
  border: 0;
  cursor: pointer;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  transition: background 0.2s;
}
.lightbox__close:hover,
.lightbox__nav:hover { background: rgba(255, 255, 255, 0.22); }
.lightbox__close {
  top: -8px;
  right: -4px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 1.6rem;
  line-height: 1;
}
.lightbox__nav {
  top: 50%;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.8rem;
  line-height: 1;
  transform: translateY(-50%);
}
.lightbox__nav--prev { left: -8px; }
.lightbox__nav--next { right: -8px; }
.lightbox__nav[hidden] { display: none !important; }
@media (max-width: 720px) {
  .lightbox__nav--prev { left: 4px; }
  .lightbox__nav--next { right: 4px; }
  .lightbox__close { top: -40px; right: 0; }
  .zoomable__hint { opacity: 0.9; transform: none; }
}