/* ===========================================================
   导航站 · 前台
   设计语言：深藏青墨色 + 青绿渐变 / 大圆角 / 多层柔光阴影
   =========================================================== */

:root {
  --teal: #0f9d91;
  --teal-d: #0b857c;
  --teal-deep: #0b6f68;
  --ink: #0f172a;
  --ink2: #5b6678;
  --ink3: #94a0b0;
  --line: #e7ebf1;
  --line2: #d6dde6;
  --bg: #f6f8fb;
  --soft: #f5fdfc;
  --softb: #cfeee9;

  --r: 22px;
  --r-md: 18px;
  --r-sm: 12px;

  --sh-1: 0 1px 2px rgba(16, 24, 40, .04);
  --sh-2: 0 26px 44px -30px rgba(15, 23, 42, .35);
  --sh-3: 0 40px 80px -50px rgba(15, 23, 42, .45);

  --wrap: 90%;
  --wrap-max: 1260px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14.5px;
  line-height: 1.7;
  letter-spacing: .1px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.wrap {
  width: var(--wrap);
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===========================================================
   按钮
   =========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, transform .12s, box-shadow .15s;
  white-space: nowrap;
}

.btn.pri {
  background: linear-gradient(180deg, var(--teal), var(--teal-d));
  color: #fff;
  box-shadow: 0 10px 24px -14px rgba(15, 157, 145, .85);
}

.btn.pri:hover {
  background: linear-gradient(180deg, #0da99b, #0b7d74);
  box-shadow: 0 14px 30px -14px rgba(15, 157, 145, .9);
}

.btn.ghost { background: #fff; border-color: var(--line); color: var(--ink); }
.btn.ghost:hover { background: var(--bg); border-color: var(--line2); }
.btn:active { transform: translateY(1px); }

/* ===========================================================
   顶部导航
   =========================================================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, .86);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--line);
}

.topbar .wrap { display: flex; align-items: center; gap: 14px; height: 68px; }

.mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: linear-gradient(140deg, #12b0a2, #0b857c);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 17px;
  flex: none;
  overflow: hidden;
  box-shadow: 0 6px 16px -8px rgba(15, 157, 145, .7);
}

.mark img { width: 100%; height: 100%; object-fit: cover; }

.bn {
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: -.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.hnav { margin-left: 20px; display: flex; gap: 4px; }

.hnav a {
  padding: 8px 15px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--ink2);
  font-weight: 500;
  white-space: nowrap;
  transition: background .15s, color .15s;
}

.hnav a:hover { background: var(--bg); color: var(--ink); }
.hnav a.is-on { background: var(--ink); color: #fff; font-weight: 600; }

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

.hstat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--ink2);
  white-space: nowrap;
}

.hstat i {
  position: relative;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #2f9e6b;
  display: block;
  flex: none;
  animation: coreBreath 1.9s ease-in-out infinite;
}

.hstat i::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: inherit;
  animation: haloBreath 1.9s ease-out infinite;
}

.hstat.is-down i { background: #d94f4f; }
.hstat.is-down { color: #b8433a; }

.hd-r .btn { height: 38px; padding: 0 16px; font-size: 13.5px; }

/* 移动端抽屉 */
.hnav-toggle { position: absolute; width: 0; height: 0; opacity: 0; pointer-events: none; }

.hnav-burger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 40px; height: 36px;
  border: 1px solid var(--line2);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  flex: none;
}

.hnav-burger i { display: block; width: 16px; height: 1.6px; background: var(--ink); border-radius: 2px; }

.hnav-mask {
  position: fixed; inset: 0;
  background: rgba(17, 17, 19, .46);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0; visibility: hidden;
  transition: opacity .22s;
  z-index: 100000;
}

.hnav-panel {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 82%;
  max-width: 320px;
  z-index: 100001;
  background: #fff;
  padding: 0 0 26px;
  overflow-y: auto;
  box-shadow: -24px 0 60px -24px rgba(0, 0, 0, .34);
  border-radius: 18px 0 0 18px;
  transform: translateX(103%);
  transition: transform .26s cubic-bezier(.32, .72, .28, 1);
}

.hnav-hd {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 13px 14px 11px;
  border-bottom: 1px solid var(--line);
  background: #fff;
  position: sticky; top: 0; z-index: 2;
}

.hnav-hb { display: flex; align-items: center; gap: 9px; font-size: 14.5px; font-weight: 700; min-width: 0; }
.hnav-hb b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.hnav-mark {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border-radius: 9px;
  background: linear-gradient(140deg, #12b0a2, #0b857c);
  color: #fff; font-size: 13.5px; font-weight: 700; flex: none;
}

.hnav-x {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border: 1px solid var(--line2);
  border-radius: 11px;
  background: #fff;
  color: var(--ink2);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  flex: none;
}

.hnav-panel a.hnav-item {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  margin: 2px 10px; padding: 12px;
  border-radius: 12px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink);
}

.hnav-panel a.hnav-item:active { background: var(--bg); }
.hnav-panel a em { font-style: normal; color: var(--ink3); font-size: 15px; }

.hnav-toggle:checked ~ .hnav-mask { opacity: 1; visibility: visible; }
.hnav-toggle:checked ~ .hnav-panel { transform: translateX(0); }
body:has(.hnav-toggle:checked) { overflow: hidden; }

/* ===========================================================
   Hero
   =========================================================== */
.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(90% 120% at 15% 0%, #eafaf8 0%, #f6f8fb 55%, #f2f6fb 100%);
}

.hero::before {
  content: "";
  position: absolute;
  right: -10%; top: -40%;
  width: 720px; height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 157, 145, .16), transparent 62%);
  filter: blur(10px);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: -14%; bottom: -50%;
  width: 560px; height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 196, 182, .10), transparent 65%);
  filter: blur(8px);
  pointer-events: none;
}

.hero .wrap {
  position: relative;
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 56px;
  align-items: center;
  padding-top: 84px;
  padding-bottom: 72px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #d9f1ee;
  color: #0b857c;
  font-size: 12.5px;
  font-weight: 600;
  box-shadow: var(--sh-1);
}

.hero h1 {
  font-size: 52px;
  line-height: 1.12;
  letter-spacing: -1.6px;
  margin: 20px 0 18px;
  font-weight: 800;
  color: var(--ink);
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #0f9d91, #2ec4b6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink2);
  max-width: 560px;
  margin: 0 0 28px;
}

.ctas { display: flex; gap: 12px; flex-wrap: wrap; }

.mini {
  margin-top: 26px;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: var(--ink2);
  font-size: 13px;
}

.mini b {
  color: var(--ink);
  font-size: 15px;
  display: block;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.2px;
}

/* 右侧面板卡 */
.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 22px;
  box-shadow: var(--sh-3);
}

.panel-h {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.panel-h b { font-size: 14.5px; letter-spacing: -.1px; }
.panel-h span { font-size: 12px; color: var(--ink3); }

.sv {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-bottom: 10px;
  transition: border-color .16s, background .16s, transform .16s;
}

.sv:last-child { margin-bottom: 0; }
.sv:hover { border-color: var(--softb); background: var(--soft); transform: translateX(2px); }

.sv .ic {
  width: 38px; height: 38px;
  border-radius: 11px;
  background: linear-gradient(140deg, #e8faf8, #d5f4f0);
  color: #0b857c;
  display: flex; align-items: center; justify-content: center;
  flex: none;
  font-size: 17px;
  overflow: hidden;
}

.sv .ic img { width: 100%; height: 100%; object-fit: cover; }

.sv .tt { min-width: 0; flex: 1; }
.sv .tt b { display: block; font-size: 14.2px; letter-spacing: -.1px; }
.sv .tt small { display: block; color: var(--ink2); font-size: 12.3px; margin-top: 2px; }
.sv .go { color: var(--ink3); font-size: 16px; flex: none; transition: color .15s, transform .15s; }
.sv:hover .go { color: var(--teal); transform: translateX(2px); }

/* ===========================================================
   统计条
   =========================================================== */
.stats {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 24px;
}

.stats b {
  display: block;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -.6px;
  font-variant-numeric: tabular-nums;
  line-height: 1.3;
}

.stats span { font-size: 12.5px; color: var(--ink2); }

/* ===========================================================
   区块
   =========================================================== */
section { padding: 56px 0 0; }

.sh {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.sh h2 {
  font-size: 26px;
  letter-spacing: -.6px;
  margin: 0 0 6px;
  font-weight: 750;
}

.sh p { margin: 0; color: var(--ink2); font-size: 14px; }

/* ===========================================================
   快捷卡片（能力介绍）
   =========================================================== */
.qc { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

.q {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px;
  transition: transform .18s, box-shadow .18s, border-color .18s;
  box-shadow: var(--sh-1);
}

.q:hover { transform: translateY(-3px); box-shadow: var(--sh-2); border-color: var(--softb); }

.qh { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }

.q .ic {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: #ecfaf8;
  color: #0b857c;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex: none;
}

.q h3 {
  margin: 0;
  font-size: 15px;
  letter-spacing: -.1px;
  font-weight: 650;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.q p { margin: 0; font-size: 12.8px; color: var(--ink2); line-height: 1.65; }

/* ===========================================================
   分类切换（分段控件）
   =========================================================== */
.tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: #eef1f6;
  border-radius: 14px;
  margin: 0 0 18px;
  list-style: none;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar { display: none; }
.tabs li { list-style: none; flex: none; }

.tabs button {
  display: block;
  padding: 8px 18px;
  border-radius: 11px;
  border: 0;
  background: transparent;
  font-size: 13.5px;
  color: var(--ink2);
  font-weight: 500;
  white-space: nowrap;
  transition: background .15s, color .15s;
  cursor: pointer;
}

.tabs button.active {
  background: #fff;
  color: var(--ink);
  font-weight: 650;
  box-shadow: 0 1px 3px rgba(16, 24, 40, .12);
}

.tabs button .n {
  font-size: 11.5px;
  color: var(--ink3);
  margin-left: 5px;
  font-variant-numeric: tabular-nums;
}

.tabs button.active .n { color: var(--teal); }

/* ===========================================================
   入口卡片
   =========================================================== */
#toollist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: stretch;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px;
  box-shadow: var(--sh-1);
}

.chd { display: flex; align-items: center; gap: 8px; margin: 0 0 14px; }

.chd .gd {
  width: 4px; height: 15px;
  border-radius: 2px;
  background: var(--teal);
  flex: none;
}

.chd h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 650;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chd .n {
  margin-left: auto;
  font-size: 11.5px;
  color: var(--ink3);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 9px;
  font-weight: 500;
  flex: none;
}

.grid { display: grid; grid-template-columns: 1fr; gap: 9px; }

.it {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: #fff;
  color: var(--ink);
  min-width: 0;
  transition: border-color .15s, background .15s;
}

.it:hover { border-color: #bfe9e4; background: var(--soft); }

.it .ico {
  width: 26px; height: 26px;
  border-radius: 8px;
  flex: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  line-height: 1;
  background: linear-gradient(140deg, #e8faf8, #d5f4f0);
  overflow: hidden;
}

.it .ico img { width: 100%; height: 100%; object-fit: cover; border-radius: 8px; }

.itx { flex: 1; min-width: 0; }

.itn { display: flex; align-items: center; gap: 6px; min-width: 0; }

.itn b {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -.1px;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.itx small {
  display: block;
  font-size: 11.5px;
  color: var(--ink3);
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.it .ar { flex: none; display: flex; color: var(--ink3); transition: color .15s; }
.it:hover .ar { color: #1a9d90; }

.dot {
  position: relative;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #c7c7cc;
  flex: none;
}

.dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: inherit;
  animation: haloBreath 1.9s ease-out infinite;
}

.dot.ok {
  background: #2f9e6b;
  animation: coreBreath 1.9s ease-in-out infinite;
}

.dot.bad {
  background: #d94f4f;
  animation: coreBreath 1.9s ease-in-out infinite;
}

/* 交错节奏，避免整页同频闪 */
.grid > .it:nth-child(2n) .dot::after { animation-delay: .45s; }
.grid > .it:nth-child(3n) .dot::after { animation-delay: .9s; }
.grid > .it:nth-child(2n) .dot { animation-delay: .45s; }
.grid > .it:nth-child(3n) .dot { animation-delay: .9s; }

@keyframes haloBreath {
  0%   { transform: scale(1);   opacity: .55; }
  65%  { transform: scale(2.6); opacity: 0; }
  100% { transform: scale(2.6); opacity: 0; }
}

@keyframes coreBreath {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(.82); }
}

.pin {
  flex: none;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--teal);
  background: var(--soft);
  border: 1px solid var(--softb);
  border-radius: 5px;
  padding: 0 5px;
  line-height: 1.6;
}

.empty {
  text-align: center;
  color: var(--ink3);
  font-size: 13px;
  padding: 40px 0;
}

/* ---------- 卡片内联系方式 ---------- */
.cgrp { display: flex; flex-direction: column; gap: 9px; }

.cit {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: #fff;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}

.cit:hover { border-color: #bfe9e4; background: var(--soft); }

.cico {
  width: 26px; height: 26px;
  border-radius: 8px;
  background: linear-gradient(140deg, #e8faf8, #d5f4f0);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  flex: none;
}

.cname { flex: 1; min-width: 0; }
.cname small { display: block; font-size: 11px; color: var(--ink3); line-height: 1.4; }

.cname b {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -.1px;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chint {
  flex: none;
  font-size: 11px;
  color: var(--ink2);
  background: #eef1f6;
  border-radius: 5px;
  padding: 2px 7px;
  transition: .15s;
}

.cit:hover .chint { background: #fff; color: var(--teal); border: 1px solid var(--softb); }

/* ===========================================================
   图例 / 运行时长
   =========================================================== */
.side {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 18px;
  padding: 14px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  font-size: 12.5px;
  color: var(--ink2);
}

.legend { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.legend .i { display: inline-flex; align-items: center; gap: 6px; }

.run-line {
  margin-left: auto;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 14px;
  font-variant-numeric: tabular-nums;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.run-line b { color: var(--ink); font-weight: 600; }

.pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #2f9e6b;
  flex: none;
  animation: pulse 1.9s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(47, 158, 107, .42); }
  50% { box-shadow: 0 0 0 5px rgba(47, 158, 107, 0); }
}

/* ===========================================================
   CTA 渐变横幅
   =========================================================== */
.cta-band { padding: 0; margin: 64px auto 0; width: var(--wrap); max-width: var(--wrap-max); }

.cta-in {
  background: linear-gradient(135deg, #0f9d91, #0b6f68);
  border-radius: 24px;
  color: #fff;
  padding: 38px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  box-shadow: 0 40px 80px -50px rgba(11, 111, 104, .9);
  position: relative;
  overflow: hidden;
}

.cta-in::before {
  content: "";
  position: absolute;
  right: -60px; top: -90px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .18), transparent 66%);
}

.cta-in h3 { margin: 0 0 6px; font-size: 24px; letter-spacing: -.5px; position: relative; }
.cta-in p { margin: 0; opacity: .86; font-size: 14px; position: relative; }
.cta-in .btn { background: #fff; color: #0b6f68; box-shadow: none; position: relative; }
.cta-in .btn:hover { background: #f3fffd; }

/* ===========================================================
   联系方式
   =========================================================== */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

.contact-card {
  display: flex;
  align-items: center;
  gap: 13px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 17px 18px;
  cursor: pointer;
  transition: border-color .18s, box-shadow .18s, transform .18s;
  box-shadow: var(--sh-1);
}

.contact-card:hover {
  border-color: var(--softb);
  box-shadow: var(--sh-2);
  transform: translateY(-2px);
}

.contact-card .ci {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: linear-gradient(140deg, #e8faf8, #d5f4f0);
  color: #0b857c;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex: none;
}

.contact-card .cm { flex: 1; min-width: 0; }
.contact-card .cm small { display: block; font-size: 11.5px; color: var(--ink3); margin-bottom: 2px; }

.contact-card .cm strong {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  letter-spacing: -.1px;
}

.contact-card .copy-hint {
  font-size: 11.5px;
  color: var(--ink2);
  background: #eef1f6;
  border-radius: 6px;
  padding: 2px 8px;
  flex-shrink: 0;
  transition: .15s;
}

.contact-card:hover .copy-hint { background: #fff; color: var(--teal); border: 1px solid var(--softb); }

/* ===========================================================
   页脚
   =========================================================== */
footer {
  margin-top: 56px;
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 30px 0;
  font-size: 12.5px;
  color: var(--ink3);
  line-height: 2;
  text-align: center;
}

.foot-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
}

.foot-center p { margin: 0; }
.foot-center b { color: var(--ink); font-weight: 600; }
.foot-center a { color: var(--ink2); }
.foot-center a:hover { color: var(--ink); }

.foot-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 6px;
}

/* ===========================================================
   复制弹窗
   =========================================================== */
.copy-mask {
  position: fixed; inset: 0;
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(0, 0, 0, .32);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}

.copy-mask.show { display: flex; }

.copy-box {
  position: relative;
  width: 100%;
  max-width: 340px;
  background: #fff;
  border-radius: 18px;
  padding: 26px 22px 20px;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, .45);
  text-align: center;
  animation: copyIn .2s ease;
}

@keyframes copyIn {
  from { opacity: 0; transform: translateY(8px) scale(.98); }
  to { opacity: 1; transform: none; }
}

.copy-close {
  position: absolute;
  right: 10px; top: 8px;
  width: 30px; height: 30px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--ink3);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.copy-close:hover { background: var(--bg); color: var(--ink); }

.copy-title { font-size: 13px; color: var(--ink2); margin-bottom: 12px; }

.copy-val {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  background: #fbfbfd;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 13px 10px;
  margin-bottom: 14px;
  word-break: break-all;
  -webkit-user-select: all;
  user-select: all;
}

.copy-btn {
  width: 100%;
  height: 44px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(180deg, var(--teal), var(--teal-d));
  color: #fff;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
}

.copy-btn:hover { background: #0b7d74; }

/* ===========================================================
   开屏公告（雾面玻璃）
   =========================================================== */
.notice-mask {
  position: fixed;
  inset: 0;
  z-index: 99990;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
  background: rgba(246, 248, 251, .42);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
  backdrop-filter: blur(12px) saturate(130%);
  animation: maskIn .28s ease;
}

.notice-mask[hidden] { display: none; }

@keyframes maskIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.notice-box {
  position: relative;
  width: 100%;
  max-width: 396px;
  background: #fff;
  border-radius: 20px;
  padding: 30px 26px 24px;
  box-shadow:
    0 2px 6px rgba(16, 24, 40, .04),
    0 24px 60px -20px rgba(15, 23, 42, .28),
    0 60px 120px -60px rgba(15, 157, 145, .3);
  overflow: hidden;
  animation: boxIn .34s cubic-bezier(.22, .8, .3, 1);
}

@keyframes boxIn {
  from { opacity: 0; transform: translateY(14px) scale(.97); }
  to { opacity: 1; transform: none; }
}

/* 顶部渐变细条 */
.notice-bar {
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--teal), #2ec4b6, var(--teal));
  background-size: 200% 100%;
  animation: barFlow 4s linear infinite;
}

@keyframes barFlow {
  from { background-position: 0 0; }
  to { background-position: 200% 0; }
}

.notice-x {
  position: absolute;
  right: 12px; top: 12px;
  width: 30px; height: 30px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--ink3);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: .15s;
}

.notice-x:hover { background: #f1f4f8; color: var(--ink); }

.notice-title {
  margin: 0 0 7px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.4px;
  text-align: center;
  color: var(--ink);
}

.notice-sub {
  margin: 0 0 18px;
  font-size: 12.5px;
  color: var(--ink3);
  text-align: center;
  line-height: 1.6;
}

.notice-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }

.notice-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 13px;
  border-radius: 11px;
  background: linear-gradient(135deg, #f2fcfa, #eef9f7);
  border: 1px solid #dcf2ee;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink);
}

.notice-item .ni {
  font-size: 14px;
  flex: none;
  line-height: 1;
}

.notice-item .nt { flex: 1; min-width: 0; }

.notice-item b { font-weight: 650; color: var(--teal-d); }

.notice-btn {
  width: 100%;
  height: 45px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(180deg, #12b0a2, #0d8b82);
  color: #fff;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: .2px;
  box-shadow: 0 12px 26px -14px rgba(15, 157, 145, .9);
  transition: .16s;
}

.notice-btn:hover {
  background: linear-gradient(180deg, #14bfb0, #0d9488);
  box-shadow: 0 16px 32px -14px rgba(15, 157, 145, .95);
}

.notice-btn:active { transform: translateY(1px); }

body.dark .notice-mask { background: rgba(13, 17, 23, .5); }
body.dark .notice-box { background: #151c25; }
body.dark .notice-x:hover { background: #1e2833; }
body.dark .notice-item {
  background: linear-gradient(135deg, #14262a, #122023);
  border-color: #1d3a38;
}

@media (max-width: 560px) {
  .notice-box { padding: 26px 20px 20px; border-radius: 18px; }
  .notice-title { font-size: 17px; }
}

/* ===========================================================
   Toast
   =========================================================== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 36px;
  transform: translate(-50%, 14px);
  background: rgba(15, 23, 42, .94);
  color: #fff;
  font-size: 13px;
  padding: 10px 18px;
  border-radius: 11px;
  opacity: 0;
  pointer-events: none;
  transition: .24s;
  z-index: 200;
  box-shadow: 0 16px 40px -16px rgba(0, 0, 0, .5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

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

/* ===========================================================
   深色模式
   =========================================================== */
body.dark {
  --ink: #eef2f8;
  --ink2: #9aa6b6;
  --ink3: #6b7686;
  --line: #232b38;
  --line2: #2e3746;
  --bg: #0d1117;
  --soft: #14212a;
  --softb: #1d4a45;
  --sh-1: 0 1px 2px rgba(0, 0, 0, .3);
  --sh-2: 0 26px 44px -30px rgba(0, 0, 0, .7);
  --sh-3: 0 40px 80px -50px rgba(0, 0, 0, .8);
}

body.dark .hero {
  background: radial-gradient(90% 120% at 15% 0%, #0f2a28 0%, #0d1117 55%, #0e141c 100%);
}

body.dark .topbar { background: rgba(13, 17, 23, .86); }
body.dark .btn.ghost,
body.dark .hstat,
body.dark .tag,
body.dark .panel,
body.dark .q,
body.dark .card,
body.dark .it,
body.dark .contact-card,
body.dark .side,
body.dark footer { background: #131a23; }

body.dark .btn.ghost:hover { background: #1a2330; }
body.dark .tabs { background: #1a2330; }
body.dark .tabs button.active { background: #232d3b; color: #fff; }
body.dark .hnav a:hover { background: #1a2330; }
body.dark .hnav a.is-on { background: #eef2f8; color: #0d1117; }
body.dark .chd .n { background: #1a2330; }
body.dark .contact-card .copy-hint { background: #1a2330; }
body.dark .q .ic,
body.dark .sv .ic,
body.dark .it .ico,
body.dark .contact-card .ci { background: #12262a; }
body.dark .copy-box { background: #131a23; }
body.dark .copy-val { background: #0d1117; }
body.dark .empty { color: var(--ink3); }
body.dark .hnav-panel,
body.dark .hnav-hd,
body.dark .hnav-burger,
body.dark .hnav-x { background: #131a23; color: var(--ink); }

/* ===========================================================
   响应式
   =========================================================== */
@media (max-width: 1100px) {
  .qc { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1000px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 34px; padding-top: 48px; padding-bottom: 44px; }
  .hero h1 { font-size: 38px; letter-spacing: -1px; }
  #toollist { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .wrap { padding: 0 16px; }
  .topbar .wrap { flex-wrap: nowrap; gap: 8px; height: 60px; }
  .bn { font-size: 15.5px; }
  .hnav { display: none; }
  .hnav-burger { display: flex; }
  .hstat { display: none; }
  .hd-r { gap: 8px; flex: none; }
  .hd-r .btn.ghost { display: none; }
  .hd-r .btn { height: 34px; padding: 0 13px; font-size: 13px; }
  .hero .wrap { padding-top: 36px; padding-bottom: 34px; gap: 26px; }
  .hero h1 { font-size: 30px; letter-spacing: -.6px; }
  .lead { font-size: 14.5px; }
  .mini { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 12px; }
  .panel { padding: 16px; border-radius: 18px; }
  .qc { grid-template-columns: 1fr 1fr; gap: 11px; }
  .q { padding: 15px; border-radius: 14px; }
  .q h3 { font-size: 14.5px; }
  .q p { font-size: 12.5px; }
  .sh h2 { font-size: 22px; }
  section { padding: 40px 0 0; }
  .cta-band { margin-top: 44px; padding: 0 16px; }
  .cta-in { padding: 24px 20px; border-radius: 20px; }
  .cta-in h3 { font-size: 19px; }
  .stats .wrap { padding: 18px 16px; gap: 12px; }
  .stats b { font-size: 22px; }
  footer { margin-top: 40px; }
}

@media (max-width: 560px) {
  .qc { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .card { padding: 15px; }
  .hero h1 { font-size: 27px; }
  .side { flex-direction: column; align-items: flex-start; gap: 10px; }
  .run-line { margin-left: 0; }
  .stats .wrap { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 901px) {
  .hnav-panel, .hnav-mask, .hnav-burger { display: none; }
}