/* ==========================================================================
   大港奥指南 · 共享样式表 /assets/site.css
   调度台视觉：深蓝轨道 + 暖纸展签 + 奥橙锚点 + 薄荷绿状态
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 132px;
}

body,
h1, h2, h3, h4, h5, h6,
p, dl, dt, dd, figure, blockquote, ul, ol {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

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

button { font: inherit; color: inherit; background: none; border: 0; padding: 0; }

a { color: inherit; }

/* ---------- 变量 ---------- */
:root {
  --dag-deep: #0A2340;
  --dag-navy: #123C6B;
  --dag-link: #1E63A8;
  --dag-line: #9DB8D6;
  --dag-orange: #F26722;
  --dag-orange-dark: #D9561A;
  --dag-amber: #FFC894;
  --dag-mist: #EDF2F8;
  --dag-paper: #FBF7F1;
  --dag-mint: #2BB08F;
  --dag-ink: #16202B;
  --dag-slate: #5B6B7C;
  --dag-wrap: 1240px;
  --dag-gutter: clamp(16px, 4vw, 40px);
  --dag-r: 3px;
  --dag-ease: cubic-bezier(.22, .61, .36, 1);
  --dag-mono: 'JetBrains Mono', 'Roboto Mono', 'SFMono-Regular', Consolas, 'Courier New', monospace;
  --dag-header-h: 118px;
}

/* ---------- 中文排版基准 ---------- */
body {
  background-color: var(--dag-mist);
  background-image:
    linear-gradient(180deg, rgba(157, 184, 214, .22) 0 1px, transparent 1px),
    linear-gradient(90deg, rgba(157, 184, 214, .16) 0 1px, transparent 1px);
  background-size: 100% 100%, 72px 72px;
  color: var(--dag-ink);
  font-family: 'HarmonyOS Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (min-width: 768px) {
  body { font-size: 17px; }
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.01em;
}

::selection {
  background: var(--dag-amber);
  color: var(--dag-deep);
}

:focus-visible {
  outline: 3px solid var(--dag-orange);
  outline-offset: 3px;
  border-radius: 2px;
}

.dag-header :focus-visible,
.dag-footer :focus-visible,
.dag-anchor:focus-visible {
  outline-color: var(--dag-amber);
}

/* ---------- 跳转链接 ---------- */
.dag-skip {
  position: fixed;
  top: -80px;
  left: 12px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--dag-orange);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .06em;
  text-decoration: none;
  border-radius: 0 0 var(--dag-r) var(--dag-r);
  transition: top .2s var(--dag-ease);
}

.dag-skip:focus {
  top: 0;
}

/* ==========================================================================
   页头
   ========================================================================== */
.dag-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--dag-deep);
  color: var(--dag-paper);
  border-bottom: 1px solid rgba(157, 184, 214, .3);
  box-shadow: 0 10px 30px rgba(10, 35, 64, .18);
}

.dag-header__inner {
  max-width: var(--dag-wrap);
  margin: 0 auto;
  padding: 12px var(--dag-gutter) 0;
}

.dag-header__top {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  padding-bottom: 12px;
}

/* 品牌牌匾 */
.dag-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
}

.dag-brand__mark {
  display: grid;
  place-items: center;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  background: var(--dag-orange);
  color: var(--dag-deep);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  border-radius: var(--dag-r);
}

.dag-brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.dag-brand__name {
  color: var(--dag-paper);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
}

.dag-brand__sub {
  color: var(--dag-line);
  font-size: 11px;
  letter-spacing: .14em;
  line-height: 1.7;
  white-space: nowrap;
}

/* 覆盖状态 */
.dag-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(157, 184, 214, .35);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--dag-paper);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.dag-status__dot {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: var(--dag-mint);
  box-shadow: 0 0 0 3px rgba(43, 176, 143, .22);
}

.dag-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

/* 按钮 */
.dag-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--dag-r);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .04em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s var(--dag-ease), color .2s var(--dag-ease),
              border-color .2s var(--dag-ease), transform .2s var(--dag-ease);
}

.dag-btn--primary {
  background: var(--dag-orange);
  color: #fff;
  box-shadow: 0 6px 18px rgba(242, 103, 34, .28);
}

.dag-btn--primary:hover {
  background: var(--dag-orange-dark);
  transform: translateY(-1px);
}

.dag-btn--ghost {
  background: transparent;
  border-color: var(--dag-line);
  color: var(--dag-deep);
}

.dag-btn--ghost:hover {
  background: var(--dag-deep);
  border-color: var(--dag-deep);
  color: var(--dag-paper);
}

.dag-btn--quiet {
  background: var(--dag-mist);
  border-color: rgba(157, 184, 214, .7);
  color: var(--dag-deep);
}

.dag-btn--quiet:hover {
  background: var(--dag-amber);
  border-color: var(--dag-amber);
}

.dag-btn--sm {
  padding: 9px 16px;
  font-size: 14px;
}

/* 移动端栏目开关 */
.dag-navtoggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(157, 184, 214, .4);
  border-radius: var(--dag-r);
  color: var(--dag-paper);
  font-size: 13px;
  letter-spacing: .12em;
  cursor: pointer;
}

.dag-navtoggle__box {
  position: relative;
  display: block;
  width: 18px;
  height: 14px;
  flex: 0 0 18px;
}

.dag-navtoggle__bar {
  position: absolute;
  left: 0;
  height: 2px;
  background: currentColor;
  transition: transform .24s var(--dag-ease), width .24s var(--dag-ease);
}

.dag-navtoggle__bar:nth-child(1) { top: 2px; width: 18px; }

.dag-navtoggle__bar:nth-child(2) { top: 9px; width: 12px; }

.dag-navtoggle[aria-expanded="true"] .dag-navtoggle__bar:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}

.dag-navtoggle[aria-expanded="true"] .dag-navtoggle__bar:nth-child(2) {
  width: 18px;
  transform: translateY(-3.5px) rotate(-45deg);
}

/* 栏目轨道 */
.dag-nav {
  border-top: 1px solid rgba(157, 184, 214, .22);
}

.dag-nav__list {
  display: flex;
  align-items: stretch;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.dag-nav__list::-webkit-scrollbar { display: none; }

.dag-nav__item { display: flex; }

.dag-nav__link {
  display: block;
  padding: 12px 15px 11px;
  border-bottom: 2px solid transparent;
  color: rgba(251, 247, 241, .76);
  font-size: 14.5px;
  letter-spacing: .06em;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--dag-ease), background-color .2s var(--dag-ease),
              border-color .2s var(--dag-ease);
}

.dag-nav__link:hover {
  background: rgba(255, 255, 255, .07);
  color: #fff;
}

.dag-nav__link[aria-current="page"] {
  border-bottom-color: var(--dag-orange);
  color: var(--dag-amber);
  font-weight: 600;
}

.dag-nav__hint { display: none; }

/* 阅读进度轨 */
.dag-progress {
  position: relative;
  height: 2px;
  background: rgba(157, 184, 214, .25);
}

.dag-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--dag-orange), var(--dag-amber));
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
}

/* 右下角预约锚点 */
.dag-anchor {
  position: fixed;
  right: clamp(14px, 3vw, 32px);
  bottom: clamp(14px, 3vw, 32px);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 20px;
  background: var(--dag-orange);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .06em;
  text-decoration: none;
  border-radius: 999px;
  box-shadow: 0 14px 34px rgba(10, 35, 64, .28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity .28s var(--dag-ease), transform .28s var(--dag-ease),
              visibility .28s var(--dag-ease), background-color .2s var(--dag-ease);
}

.dag-anchor[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.dag-anchor:hover { background: var(--dag-orange-dark); }

.dag-anchor__dot {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: #fff;
  animation: dag-pulse 2.4s ease-in-out infinite;
}

@keyframes dag-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(255, 255, 255, .3); }
  50%      { box-shadow: 0 0 0 8px rgba(255, 255, 255, 0); }
}

/* ==========================================================================
   页脚
   ========================================================================== */
.dag-footer {
  margin-top: clamp(56px, 9vw, 110px);
  background: var(--dag-deep);
  border-top: 4px solid var(--dag-orange);
  color: rgba(251, 247, 241, .82);
}

.dag-footer__inner {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(0, 1.7fr) minmax(250px, 1.15fr);
  gap: clamp(26px, 4vw, 48px);
  max-width: var(--dag-wrap);
  margin: 0 auto;
  padding: clamp(36px, 6vw, 68px) var(--dag-gutter) clamp(28px, 4vw, 44px);
}

.dag-footer__lead {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-left: 16px;
  border-left: 2px solid var(--dag-orange);
}

.dag-footer__brand {
  color: var(--dag-paper);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
}

.dag-footer__sub {
  color: var(--dag-line);
  font-size: 12px;
  letter-spacing: .16em;
}

.dag-footer__meta {
  max-width: 26em;
  color: rgba(251, 247, 241, .72);
  font-size: 14px;
  line-height: 1.7;
}

.dag-footer__stamp {
  margin-top: auto;
  padding-top: 14px;
  color: rgba(157, 184, 214, .85);
  font-family: var(--dag-mono);
  font-size: 12px;
  letter-spacing: .14em;
}

.dag-footer__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 32px);
}

.dag-footer__col { min-width: 0; }

.dag-footer__title {
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(157, 184, 214, .25);
  color: var(--dag-amber);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
}

.dag-footer__list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.dag-footer__link {
  display: inline-block;
  border-bottom: 1px solid transparent;
  color: rgba(251, 247, 241, .82);
  font-size: 14.5px;
  text-decoration: none;
  transition: color .18s var(--dag-ease), border-color .18s var(--dag-ease);
}

.dag-footer__link:hover {
  border-bottom-color: var(--dag-orange);
  color: var(--dag-amber);
}

.dag-footer__contact { min-width: 0; }

.dag-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
}

.dag-contact__row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
}

.dag-contact__key {
  padding-top: 3px;
  color: var(--dag-line);
  font-size: 11px;
  letter-spacing: .14em;
}

.dag-contact__val {
  color: rgba(251, 247, 241, .88);
  line-height: 1.65;
  word-break: break-word;
}

.dag-footer__base {
  background: rgba(0, 0, 0, .16);
  border-top: 1px solid rgba(157, 184, 214, .22);
}

.dag-footer__baseinner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  max-width: var(--dag-wrap);
  margin: 0 auto;
  padding: 18px var(--dag-gutter) 24px;
  color: rgba(251, 247, 241, .62);
  font-size: 12.5px;
}

.dag-footer__copy { letter-spacing: .06em; }

.dag-footer__beian {
  font-family: var(--dag-mono);
  letter-spacing: .04em;
}

.dag-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-left: auto;
}

.dag-footer__legal-link {
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(157, 184, 214, .4);
  color: rgba(251, 247, 241, .72);
  text-decoration: none;
  transition: color .18s var(--dag-ease), border-color .18s var(--dag-ease);
}

.dag-footer__legal-link:hover {
  border-bottom-color: var(--dag-orange);
  color: var(--dag-amber);
}

.dag-footer__note {
  flex: 1 1 100%;
  color: rgba(157, 184, 214, .8);
  line-height: 1.6;
}

/* ==========================================================================
   容器 / 章节 / 正文
   ========================================================================== */
.dag-wrap {
  width: 100%;
  max-width: var(--dag-wrap);
  margin: 0 auto;
  padding: 0 var(--dag-gutter);
}

.dag-main {
  display: block;
  padding-top: clamp(20px, 3.5vw, 40px);
  padding-bottom: clamp(24px, 4vw, 56px);
}

.dag-block {
  margin-top: clamp(40px, 6vw, 72px);
}

.dag-block__title {
  color: var(--dag-deep);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.01em;
}

.dag-block__lead {
  max-width: 38em;
  margin-top: 12px;
  color: var(--dag-slate);
  line-height: 1.8;
}

.dag-prose {
  max-width: 38em;
  color: var(--dag-ink);
  font-size: 16.5px;
  line-height: 1.8;
}

.dag-prose > * + * { margin-top: 1.1em; }

.dag-prose h2 {
  margin-top: 1.9em;
  padding-bottom: .4em;
  border-bottom: 2px solid var(--dag-deep);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -.01em;
}

.dag-prose h3 {
  margin-top: 1.6em;
  color: var(--dag-navy);
  font-size: 19px;
  font-weight: 600;
}

.dag-prose li {
  position: relative;
  padding-left: 1.1em;
}

.dag-prose li + li { margin-top: .55em; }

.dag-prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  background: var(--dag-orange);
}

.dag-prose a {
  color: var(--dag-link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.dag-prose strong { font-weight: 600; }

/* ---------- 网格 ---------- */
.dag-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

.dag-grid--5-7 { grid-template-columns: 5fr 7fr; }

.dag-grid--4-8 { grid-template-columns: 4fr 8fr; }

.dag-grid--cards {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

/* ---------- 卡片 ---------- */
.dag-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--dag-paper);
  border: 1px solid rgba(157, 184, 214, .55);
  border-radius: var(--dag-r);
  box-shadow: 0 10px 26px rgba(10, 35, 64, .06);
}

.dag-card__title {
  color: var(--dag-deep);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -.01em;
}

.dag-card__meta {
  margin-top: 6px;
  color: var(--dag-slate);
  font-size: 12px;
  letter-spacing: .12em;
}

/* ---------- 标签 / 状态 ---------- */
.dag-label {
  display: inline-block;
  color: var(--dag-navy);
  font-size: 11px;
  letter-spacing: .14em;
  line-height: 1.5;
  text-transform: uppercase;
}

.dag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--dag-paper);
  border: 1px solid var(--dag-line);
  border-radius: 999px;
  color: var(--dag-navy);
  font-size: 12px;
  letter-spacing: .06em;
}

.dag-chip--covered {
  background: rgba(43, 176, 143, .12);
  border-color: var(--dag-mint);
  color: #1C7A63;
}

.dag-chip--pending {
  background: rgba(30, 99, 168, .08);
  border-color: var(--dag-link);
  color: var(--dag-link);
}

.dag-mono {
  font-family: var(--dag-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

/* ---------- 面包屑 ---------- */
.dag-crumb { margin: clamp(14px, 2vw, 22px) 0; }

.dag-crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--dag-slate);
  font-size: 12.5px;
  letter-spacing: .08em;
}

.dag-crumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dag-crumb__item + .dag-crumb__item::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--dag-line);
}

.dag-crumb__link {
  color: var(--dag-link);
  text-decoration: none;
}

.dag-crumb__link:hover { text-decoration: underline; }

.dag-crumb__current { color: var(--dag-ink); }

/* ---------- 图片容器基础规则 ---------- */
.dag-figure {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
}

.dag-figure__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(140deg, #DCE6F2, var(--dag-mist));
  border: 1px solid rgba(157, 184, 214, .5);
  border-radius: var(--dag-r);
}

.dag-figure__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(157, 184, 214, .42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157, 184, 214, .42) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.dag-figure__media img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dag-figure__media.dag-media--wide { aspect-ratio: 21 / 9; }

.dag-figure__media.dag-media--square { aspect-ratio: 1 / 1; }

.dag-figure__media.dag-media--tall { aspect-ratio: 3 / 4; }

.dag-figure__cap {
  padding-left: 12px;
  border-left: 2px solid var(--dag-amber);
  color: var(--dag-slate);
  font-size: 12.5px;
  line-height: 1.65;
}

/* ---------- 标签页 ---------- */
.dag-tabs {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vw, 24px);
}

.dag-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 5px;
  background: var(--dag-mist);
  border: 1px solid rgba(157, 184, 214, .5);
  border-radius: var(--dag-r);
}

.dag-tabs__tab {
  padding: 9px 16px;
  border-radius: 2px;
  color: var(--dag-navy);
  font-size: 14px;
  letter-spacing: .06em;
  cursor: pointer;
  transition: background-color .2s var(--dag-ease), color .2s var(--dag-ease);
}

.dag-tabs__tab[aria-selected="false"]:hover { background: rgba(255, 255, 255, .85); }

.dag-tabs__tab[aria-selected="true"] {
  background: var(--dag-orange);
  color: #fff;
  font-weight: 600;
}

.dag-tabs__panel {
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--dag-paper);
  border: 1px solid rgba(157, 184, 214, .5);
  border-radius: var(--dag-r);
}

.dag-tabs__panel[hidden] { display: none; }

/* ---------- 折叠面板 ---------- */
.dag-acc {
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(157, 184, 214, .6);
}

.dag-acc__item {
  border-bottom: 1px solid rgba(157, 184, 214, .6);
}

.dag-acc__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 4px;
  color: var(--dag-deep);
  font-size: 16.5px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.dag-acc__trigger::after {
  content: "";
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--dag-orange);
  border-bottom: 2px solid var(--dag-orange);
  transform: rotate(45deg);
  transition: transform .24s var(--dag-ease);
}

.dag-acc__trigger[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

.dag-acc__panel {
  max-width: 44em;
  padding: 0 4px 18px;
  color: var(--dag-slate);
  font-size: 16px;
  line-height: 1.8;
}

.dag-acc__panel[hidden] { display: none; }

/* ---------- 侧边调度轨道 / 纵排注释 ---------- */
.dag-rail {
  position: sticky;
  top: calc(var(--dag-header-h) + 14px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
  background: var(--dag-deep);
  border-radius: var(--dag-r);
  color: rgba(251, 247, 241, .86);
}

.dag-rail__note {
  padding-top: 10px;
  border-top: 1px solid rgba(157, 184, 214, .28);
  color: var(--dag-line);
  font-size: 11px;
  letter-spacing: .14em;
}

.dag-vertical {
  color: var(--dag-slate);
  font-size: 11px;
  letter-spacing: .22em;
  writing-mode: vertical-rl;
}

/* ---------- 显现动效 ---------- */
.dag-js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .32s var(--dag-ease), transform .32s var(--dag-ease);
}

.dag-js [data-reveal][data-visible="true"] {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
  .dag-footer__inner {
    grid-template-columns: 1fr;
  }

  .dag-footer__lead {
    padding-left: 0;
    padding-top: 16px;
    border-left: 0;
    border-top: 2px solid var(--dag-orange);
  }

  .dag-footer__stamp { margin-top: 0; }
}

@media (max-width: 900px) {
  :root { --dag-header-h: 108px; }

  html { scroll-padding-top: 120px; }

  .dag-navtoggle { display: inline-flex; }

  .dag-nav {
    max-height: 0;
    overflow: hidden;
    transition: max-height .32s var(--dag-ease);
  }

  .dag-nav[data-open] {
    max-height: min(62vh, 430px);
    overflow-y: auto;
  }

  .dag-nav__list {
    flex-direction: column;
    gap: 0;
    padding: 6px 0;
  }

  .dag-nav__link {
    padding: 12px 10px;
    border-bottom: 1px solid rgba(157, 184, 214, .16);
    border-left: 2px solid transparent;
  }

  .dag-nav__link[aria-current="page"] {
    border-bottom-color: rgba(157, 184, 214, .16);
    border-left-color: var(--dag-orange);
    background: rgba(255, 255, 255, .06);
  }

  .dag-nav__hint {
    display: block;
    padding: 8px 10px 12px;
    color: rgba(157, 184, 214, .8);
    font-size: 11px;
    letter-spacing: .14em;
  }

  .dag-grid--5-7,
  .dag-grid--4-8 {
    grid-template-columns: 1fr;
  }

  .dag-rail {
    position: static;
  }
}

@media (max-width: 720px) {
  .dag-header__top {
    flex-wrap: wrap;
    row-gap: 10px;
  }

  .dag-brand__sub { white-space: normal; }

  .dag-status { order: 3; }

  .dag-header__actions { margin-left: auto; }
}

@media (max-width: 640px) {
  .dag-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dag-footer__legal {
    margin-left: 0;
  }

  .dag-contact__row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .dag-contact__key { padding-top: 0; }
}

@media (max-width: 420px) {
  .dag-brand__mark {
    flex-basis: 36px;
    width: 36px;
    height: 36px;
    font-size: 17px;
  }

  .dag-brand__name { font-size: 17px; }

  .dag-btn--sm {
    padding: 8px 12px;
    font-size: 13px;
  }

  .dag-anchor {
    padding: 11px 16px;
    font-size: 14px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  html { scroll-behavior: auto; }

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

  .dag-anchor__dot { animation: none; }
}

/* ---------- 打印 ---------- */
@media print {
  .dag-header,
  .dag-anchor,
  .dag-progress,
  .dag-skip { display: none; }

  body { background: #fff; }
}