/* ============================================================================
   DSH 管家官网 · 单主题深海底色（whale-blue）
   只做一套配色：亮色/深色切换会把这种「深海里的一盏灯」气质冲淡。
   ========================================================================== */

:root {
  --sea-0: #061524;
  --sea-1: #0a1f33;
  --sea-2: #0f2a42;
  --sea-3: #143a5c;
  --panel: rgba(18, 46, 72, 0.66);
  --panel-solid: #112e48;
  --line: rgba(139, 202, 245, 0.16);
  --line-strong: rgba(139, 202, 245, 0.34);

  --ink: #ecf6ff;
  --ink-soft: #c3dcef;
  --muted: #8fb1ca;

  --blue: #57b9f5;
  --blue-deep: #2b7fc0;
  --cyan: #86e6ec;
  --foam: #d7f2ff;
  --pink: #ffa6c4;
  --gold: #ffd479;
  --green: #6fe3b0;

  --shadow-lg: 0 30px 80px -30px rgba(0, 0, 0, 0.85);
  --shadow-sm: 0 12px 30px -18px rgba(0, 0, 0, 0.9);
  --radius: 24px;
  --radius-sm: 14px;
  --maxw: 1120px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei",
    system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: ui-rounded, "SF Pro Rounded", "Hiragino Maru Gothic ProN", "PingFang SC",
    system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(1200px 680px at 78% -8%, rgba(64, 156, 214, 0.34), transparent 62%),
    radial-gradient(900px 620px at 8% 4%, rgba(38, 110, 168, 0.28), transparent 60%),
    radial-gradient(1000px 700px at 50% 108%, rgba(23, 84, 134, 0.42), transparent 62%),
    linear-gradient(180deg, var(--sea-1) 0%, var(--sea-0) 58%, #04101c 100%);
  background-attachment: fixed;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.68;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

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

a {
  color: var(--foam);
  text-decoration: none;
}

a:hover {
  color: #fff;
}

.muted {
  color: var(--muted);
  font-weight: 400;
}

/* 背景气泡 ---------------------------------------------------------------- */
.bubbles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bubbles span {
  position: absolute;
  bottom: -18vh;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(220, 245, 255, 0.55), rgba(120, 195, 240, 0.06) 70%);
  border: 1px solid rgba(190, 235, 255, 0.18);
  animation: rise 22s linear infinite;
}

.bubbles span:nth-child(1) { left: 6%;  width: 8px;  height: 8px;  animation-duration: 26s; animation-delay: -4s; }
.bubbles span:nth-child(2) { left: 18%; width: 14px; height: 14px; animation-duration: 32s; animation-delay: -12s; }
.bubbles span:nth-child(3) { left: 34%; width: 6px;  height: 6px;  animation-duration: 20s; animation-delay: -8s; }
.bubbles span:nth-child(4) { left: 56%; width: 18px; height: 18px; animation-duration: 38s; animation-delay: -18s; }
.bubbles span:nth-child(5) { left: 74%; width: 9px;  height: 9px;  animation-duration: 24s; animation-delay: -2s; }
.bubbles span:nth-child(6) { left: 88%; width: 12px; height: 12px; animation-duration: 30s; animation-delay: -14s; }

@keyframes rise {
  0%   { transform: translate3d(0, 0, 0) scale(0.7); opacity: 0; }
  12%  { opacity: 0.9; }
  100% { transform: translate3d(18px, -125vh, 0) scale(1.15); opacity: 0; }
}

/* 顶部栏 ------------------------------------------------------------------ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 24px;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(7, 22, 36, 0.86), rgba(7, 22, 36, 0.42));
  border-bottom: 1px solid transparent;
}

.topbar::after {
  content: "";
  position: absolute;
  inset: 0 24px -1px;
  border-bottom: 1px solid var(--line);
  pointer-events: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
}

.brand__icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  box-shadow: 0 6px 16px -8px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(190, 235, 255, 0.22);
}

.brand__name {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.02em;
}

.brand__tag {
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--cyan);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar__nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar__link {
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.18s ease, color 0.18s ease;
}

.topbar__link:hover {
  background: rgba(120, 195, 240, 0.12);
  color: #fff;
}

.topbar__link--github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line-strong);
}

.link-icon {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.lang-toggle {
  min-width: 42px;
  height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(120, 195, 240, 0.08);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease;
}

.lang-toggle:hover {
  background: rgba(120, 195, 240, 0.18);
  transform: translateY(-1px);
}

/* 通用 ------------------------------------------------------------------- */
main {
  position: relative;
  z-index: 1;
}

section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 72px 24px;
}

.section-head {
  margin-bottom: 34px;
}

.section-head h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1.28;
  letter-spacing: 0.01em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 62ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease,
    border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  color: #04202f;
  background: linear-gradient(180deg, #b7ecff 0%, var(--blue) 46%, #3d99d6 100%);
  box-shadow: 0 14px 34px -16px rgba(87, 185, 245, 0.95), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.btn--primary:hover {
  box-shadow: 0 18px 40px -14px rgba(87, 185, 245, 1), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.btn--secondary {
  color: var(--ink);
  background: rgba(120, 195, 240, 0.1);
  border-color: var(--line-strong);
}

.btn--secondary:hover {
  background: rgba(120, 195, 240, 0.18);
}

.btn--ghost {
  color: var(--ink-soft);
  background: transparent;
  border-color: var(--line-strong);
}

.btn--ghost:hover {
  color: #fff;
  border-color: rgba(139, 202, 245, 0.6);
  background: rgba(120, 195, 240, 0.08);
}

.btn--lg {
  padding: 15px 28px;
  font-size: 16px;
}

/* Hero ------------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  gap: 40px;
  padding-top: 56px;
  padding-bottom: 60px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 6px 14px 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(120, 195, 240, 0.08);
  color: var(--ink-soft);
  font-size: 12.5px;
  font-weight: 600;
}

.kicker__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(111, 227, 176, 0.16);
}

.hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 68px);
  line-height: 1.05;
  letter-spacing: 0.01em;
  text-shadow: 0 20px 46px rgba(4, 16, 28, 0.7);
}

.hero__title em {
  display: block;
  margin-top: 10px;
  color: var(--cyan);
  font-size: clamp(16px, 2vw, 21px);
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  opacity: 0.9;
}

.hero__tagline {
  margin: 22px 0 10px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  color: #fff;
}

.hero__desc {
  margin: 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 15.5px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.hero__chips li {
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px dashed var(--line-strong);
  color: var(--muted);
  font-size: 12.5px;
}

/* 鲸鱼娘气泡 -------------------------------------------------------------- */
.hero__art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 380px;
}

.orb {
  position: relative;
  width: min(340px, 74vw);
  aspect-ratio: 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 34% 26%, rgba(214, 244, 255, 0.22), transparent 48%),
    radial-gradient(circle at 62% 74%, rgba(38, 128, 190, 0.55), transparent 58%),
    linear-gradient(160deg, #1a4d74, #0b2437 78%);
  border: 1px solid rgba(190, 235, 255, 0.24);
  box-shadow:
    0 40px 90px -40px rgba(0, 0, 0, 0.95),
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 0 0 10px rgba(120, 195, 240, 0.04);
}

.orb__glow {
  position: absolute;
  inset: -18%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(87, 185, 245, 0.34), transparent 62%);
  filter: blur(12px);
  z-index: -1;
}

.orb__video {
  width: 88%;
  height: 88%;
  border-radius: 50%;
  object-fit: cover;
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.45));
}

.orb__ring {
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  border: 1px solid rgba(134, 230, 236, 0.22);
  animation: breathe 7s ease-in-out infinite;
}

.orb__ring--2 {
  inset: -30px;
  border-color: rgba(134, 230, 236, 0.12);
  animation-duration: 9s;
  animation-delay: -3s;
}

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.035); opacity: 1; }
}

.float-card {
  position: absolute;
  display: grid;
  gap: 1px;
  padding: 10px 14px;
  border-radius: 16px;
  background: rgba(12, 36, 56, 0.86);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
  animation: bob 6s ease-in-out infinite;
}

.float-card b {
  font-size: 13px;
}

.float-card small {
  color: var(--muted);
  font-size: 11px;
}

.float-card--state { top: 6%; left: -4%; }
.float-card--install { top: 44%; right: -6%; animation-delay: -2s; }
.float-card--plugin { bottom: 4%; left: 2%; animation-delay: -4s; }

.float-card .ping {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(111, 227, 176, 0.2);
  justify-self: start;
  margin-bottom: 4px;
}

.float-card .tick {
  color: var(--green);
  font-weight: 800;
}

.float-card .spark {
  color: var(--gold);
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* 下载 ------------------------------------------------------------------- */
.downloads {
  scroll-margin-top: 90px;
}

.downloads__version {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.downloads__version b {
  color: var(--cyan);
}

.dot-sep {
  opacity: 0.5;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.dl-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(26, 64, 96, 0.72), rgba(13, 34, 52, 0.72));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.dl-card::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -30%;
  width: 60%;
  height: 120%;
  background: radial-gradient(circle, rgba(87, 185, 245, 0.16), transparent 66%);
  pointer-events: none;
}

.dl-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.dl-card.is-busy {
  border-color: rgba(134, 230, 236, 0.5);
}

.dl-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.dl-card__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: rgba(120, 195, 240, 0.12);
  border: 1px solid var(--line);
  font-size: 20px;
}

.dl-card__logo {
  width: 22px;
  height: 22px;
  display: block;
}

.dl-card__icon--apple {
  color: #e6f1fa;
}

.dl-card__icon--win {
  color: #7cc3f7;
}

.dl-card__badge {
  padding: 3px 10px;
  border-radius: 999px;
  background: linear-gradient(180deg, #b7ecff, var(--blue));
  color: #04202f;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.dl-card h3 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
}

.dl-card__meta {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13.5px;
}

.dl-card__size {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}

.dl-card .btn {
  width: 100%;
}

.dl-card__hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.55;
}

.progress {
  margin-top: 12px;
}

.progress__bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(120, 195, 240, 0.14);
  overflow: hidden;
}

.progress__bar i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  transition: width 0.2s ease;
}

.progress__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.progress__cancel {
  border: 0;
  background: none;
  color: var(--pink);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 6px;
}

.progress__cancel:hover {
  background: rgba(255, 166, 196, 0.12);
}

.downloads__status {
  margin: 14px 0 0;
  min-height: 22px;
  color: var(--ink-soft);
  font-size: 13.5px;
}

.downloads__fallback {
  margin: 4px 0 0;
  font-size: 13px;
}

.downloads__fallback a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 功能 ------------------------------------------------------------------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature {
  padding: 22px;
  border-radius: var(--radius);
  background: rgba(16, 42, 66, 0.56);
  border: 1px solid var(--line);
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.feature:hover {
  transform: translateY(-3px);
  background: rgba(22, 54, 84, 0.7);
  border-color: var(--line-strong);
}

.feature__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 12px;
  border-radius: 14px;
  background: rgba(120, 195, 240, 0.12);
  border: 1px solid var(--line);
  font-size: 21px;
}

.feature__icon svg {
  width: 22px;
  height: 22px;
  color: var(--cyan);
}

.feature h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
}

/* 截图 ------------------------------------------------------------------- */
.shot-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  align-items: start;
}

.shot {
  margin: 0;
  padding: 10px;
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(28, 66, 98, 0.8), rgba(11, 30, 46, 0.8));
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-lg);
}

.shot img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  background: #0b1d2e;
}

.shot figcaption {
  padding: 10px 6px 4px;
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
}

/* 数据 ------------------------------------------------------------------- */
.stats-strip .stat-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  padding: 22px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(26, 64, 96, 0.66), rgba(13, 34, 52, 0.66));
  border: 1px solid var(--line);
  text-align: center;
}

.stat-card b {
  display: block;
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1.15;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

.stat-card span {
  color: var(--muted);
  font-size: 12.5px;
}

/* FAQ -------------------------------------------------------------------- */

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  background: rgba(16, 42, 66, 0.5);
  border: 1px solid var(--line);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  color: var(--cyan);
  font-size: 18px;
  font-weight: 700;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* 页脚 ------------------------------------------------------------------- */
.footer {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 24px 56px;
  border-top: 1px solid var(--line);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.footer__brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}

.footer__brand b {
  display: block;
  font-size: 15px;
}

.footer__brand small {
  color: var(--muted);
  font-size: 12.5px;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 16px;
  font-size: 13.5px;
}

.footer__links a {
  color: var(--ink-soft);
}

.footer__links a:hover {
  color: #fff;
}

.footer__legal {
  margin: 0;
  max-width: 78ch;
  color: rgba(143, 177, 202, 0.82);
  font-size: 12px;
  line-height: 1.7;
}

/* 数据看板 --------------------------------------------------------------- */
.stats-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 36px 24px 80px;
}

.stats-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 36px);
  line-height: 1.2;
}

.stats-sub {
  margin: 0 0 30px;
  color: var(--muted);
  font-size: 14.5px;
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 34px;
}

.stat-card {
  padding: 20px 22px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(26, 64, 96, 0.66), rgba(13, 34, 52, 0.66));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.stat-card b {
  display: block;
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 740;
  line-height: 1.15;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

.stat-card span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12.5px;
}

.stats-block {
  margin-bottom: 32px;
}

.stats-block h2 {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 680;
}

.block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.block-head h2 {
  margin: 0;
}

.map-legend {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 11px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.legend-item i {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
}

.legend-item em {
  font-style: normal;
  font-variant-numeric: tabular-nums;
}

.map-wrap {
  position: relative;
  padding: 8px 6px;
  border-radius: var(--radius);
  background: rgba(12, 34, 52, 0.72);
  border: 1px solid var(--line);
  overflow: hidden;
}

#world-map {
  display: block;
  width: 100%;
  height: auto;
}

#world-map .country {
  stroke: rgba(10, 30, 47, 0.9);
  stroke-width: 0.5;
  transition: fill 0.18s ease, stroke 0.18s ease;
  cursor: default;
}

#world-map .country:hover {
  stroke: var(--cyan);
  stroke-width: 1;
}

#world-map .country.has-data {
  cursor: pointer;
}

.map-tooltip {
  position: absolute;
  z-index: 5;
  min-width: 130px;
  max-width: 240px;
  padding: 9px 12px;
  border-radius: 10px;
  background: rgba(8, 26, 43, 0.96);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-size: 12px;
  line-height: 1.5;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, calc(-100% - 12px));
  transition: opacity 0.12s ease;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
}

.map-tooltip.is-visible {
  opacity: 1;
}

.map-tooltip strong {
  display: block;
  font-size: 12.5px;
  font-weight: 650;
}

.map-tooltip span {
  display: block;
  margin-top: 2px;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.map-tooltip em {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 11px;
  color: var(--muted);
}

.city-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.city-row {
  display: grid;
  grid-template-columns: 140px 1fr 44px;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.city-name {
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.city-bar {
  display: block;
  height: 10px;
  border-radius: 99px;
  background: rgba(120, 195, 240, 0.1);
  overflow: hidden;
}

.city-bar i {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.city-count {
  text-align: right;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.daily-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 140px;
  padding: 12px 14px 0;
  border-radius: var(--radius);
  background: rgba(12, 34, 52, 0.72);
  border: 1px solid var(--line);
}

.day-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  gap: 6px;
}

.day-col i {
  display: block;
  width: 100%;
  max-width: 26px;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
}

.day-col span {
  font-size: 10.5px;
  line-height: 16px;
  height: 16px;
  color: var(--muted);
  white-space: nowrap;
}

.stats-empty {
  padding: 16px 0;
  color: var(--muted);
  font-size: 13px;
}

.stats-foot {
  margin-top: 40px;
  color: rgba(143, 177, 202, 0.8);
  font-size: 12px;
  line-height: 1.7;
}

@media (max-width: 720px) {
  .stat-cards {
    grid-template-columns: 1fr;
  }

  .city-row {
    grid-template-columns: 90px 1fr 38px;
  }

  .block-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* 响应式 ----------------------------------------------------------------- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 32px;
  }

  .hero__art {
    order: -1;
    min-height: 300px;
  }

  .orb {
    width: min(260px, 66vw);
  }

  .float-card--install { right: 0; }
  .float-card--state { left: 0; }

  .cards,
  .feature-grid,
  .stats-strip .stat-cards,
  .shot-row {
    grid-template-columns: 1fr;
  }

  .topbar__link {
    display: none;
  }

  .topbar__link--github {
    display: inline-flex;
  }
}

@media (max-width: 560px) {
  section {
    padding: 48px 18px;
  }

  .topbar {
    padding: 12px 18px;
  }

  .hero__title {
    font-size: clamp(36px, 11vw, 46px);
  }

  .float-card {
    padding: 8px 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto;
  }

  .orb__video {
    display: none;
  }

  .orb {
    background-image: url("/assets/whale-girl.png");
    background-size: cover;
    background-position: center;
  }
}