@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('./public-sans.woff2') format('woff2');
}

/* ========== 基础 ========== */
:root {
  --bg: #f5f2eb;
  --bg2: #edeae0;
  --panel: #fbf9f4;
  --ink: #1c1915;
  --line: rgba(28, 25, 20, 0.1);
  --line2: rgba(28, 25, 20, 0.2);
  --txt: #1d1a15;
  --sub: #5f5b51;
  --dim: #8f8a7c;
  --acc: #e0451a; /* 朱红 · 去程请求 */
  --resp: #2b49c8; /* 群青 · 回程响应 */
  --busy: #c9950d;
  --err: #c42b1d;
  --mono: ui-monospace, 'SFMono-Regular', Consolas, monospace;
  --sans: 'Public Sans', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --serif: 'Songti SC', 'STSong', 'SimSun', serif;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--bg);
  color: var(--txt);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection {
  background: var(--acc);
  color: #fff6ef;
}
::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}
::-webkit-scrollbar-thumb {
  background: #d3cdbe;
  border-radius: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
a {
  color: inherit;
}
section {
  position: relative;
  scroll-margin-top: 80px;
}
.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 96px 32px 0;
}

/* ========== 按钮 ========== */
.btn {
  font: 500 14px var(--sans);
  padding: 12px 24px;
  border-radius: 2px;
  cursor: pointer;
  transition: 0.18s;
  border: 1px solid transparent;
  letter-spacing: 0.02em;
  background: none;
  color: var(--txt);
}
.btn-p {
  background: var(--acc);
  color: #fff6ef;
}
.btn-p:hover {
  background: #ea5427;
  transform: translateY(-1px);
}
.btn-o {
  border-color: var(--line2);
  color: var(--txt);
}
.btn-o:hover {
  border-color: var(--acc);
  color: var(--acc);
}

/* ========== 导航 ========== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition:
    background 0.3s,
    border 0.3s;
}
header.scrolled {
  background: rgba(245, 242, 235, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: 1280px;
  margin: 0 auto;
  height: 68px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  cursor: pointer;
  user-select: none;
}
.brand b {
  font: 700 15px var(--mono);
  letter-spacing: 0.22em;
}
.brand i {
  font: 400 12px var(--sans);
  font-style: normal;
  color: var(--dim);
}
.nav-links {
  display: flex;
  gap: 34px;
}
.nav-links a {
  font: 400 13px var(--mono);
  color: var(--sub);
  text-decoration: none;
  letter-spacing: 0.06em;
  transition: 0.15s;
}
.nav-links a:hover {
  color: var(--acc);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-url {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font: 500 12px var(--mono);
  color: var(--sub);
  background: none;
  border: 1px dashed var(--line2);
  padding: 8px 13px;
  border-radius: 2px;
  cursor: pointer;
  transition: 0.15s;
  letter-spacing: 0.03em;
}
.nav-url i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--acc);
  animation: blink 2.2s infinite;
}
.nav-url:hover {
  color: var(--acc);
  border-color: var(--acc);
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  padding-top: 140px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(
    rgba(28, 25, 20, 0.09) 1px,
    transparent 1px
  );
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(
    72% 62% at 50% 34%,
    #000 25%,
    transparent 100%
  );
  mask-image: radial-gradient(72% 62% at 50% 34%, #000 25%, transparent 100%);
}
.hero-copy {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  padding: 0 32px;
}
.hero-copy > * {
  animation: rise 0.8s cubic-bezier(0.2, 0.7, 0.3, 1) backwards;
}
.hero-copy > *:nth-child(2) {
  animation-delay: 0.07s;
}
.hero-copy > *:nth-child(3) {
  animation-delay: 0.14s;
}
.hero-copy > *:nth-child(4) {
  animation-delay: 0.21s;
}
.hero-copy > *:nth-child(5) {
  animation-delay: 0.28s;
}
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
}
.kicker {
  display: flex;
  align-items: center;
  gap: 16px;
  font: 500 11.5px var(--mono);
  letter-spacing: 0.14em;
  color: var(--sub);
  flex-wrap: wrap;
}
.sysok {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--acc);
}
.sysok i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--acc);
  animation: blink 2.2s infinite;
}
@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}
.ksep {
  color: var(--dim);
}
h1 {
  font: 900 clamp(42px, 6.4vw, 84px)/1.13 var(--serif);
  letter-spacing: 0.01em;
  margin: 26px 0 22px;
}
h1 em {
  font-style: normal;
  color: var(--acc);
}
.hero-sub {
  max-width: 580px;
  font: 400 16px/1.95 var(--sans);
  color: var(--sub);
}
.hero-sub b {
  color: var(--txt);
  font-weight: 500;
}

/* 顶部接入地址栏 */
.hero-url {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
  padding: 13px 13px 13px 18px;
  border: 1px solid var(--line2);
  background: var(--panel);
  flex-wrap: wrap;
  transition: border 0.15s;
}
.hero-url:hover {
  border-color: rgba(224, 69, 26, 0.55);
}
.hu-lab {
  font: 500 10px var(--mono);
  letter-spacing: 0.22em;
  color: var(--dim);
}
.hu-val {
  font: 600 17px var(--mono);
  color: var(--acc);
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}
.hu-cur {
  width: 9px;
  height: 20px;
  background: var(--acc);
  flex-shrink: 0;
  animation: curblink 1.1s steps(1) infinite;
}
@keyframes curblink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}
.hu-cp {
  border: 1px solid var(--line2);
  background: none;
  color: var(--sub);
  font: 500 10.5px var(--mono);
  padding: 8px 13px;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 0.14em;
  transition: 0.15s;
}
.hu-cp:hover {
  color: var(--acc);
  border-color: var(--acc);
}
.hero-btns {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* Hero 节点图 */
.graph-wrap {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px 0 34px;
  animation: fadein 1.1s 0.4s backwards;
}
@keyframes fadein {
  from {
    opacity: 0;
  }
}
.graph-scroll {
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.graph-scroll::-webkit-scrollbar {
  display: none;
}
.graph-scroll svg {
  display: block;
  min-width: 820px;
  width: 100%;
  height: auto;
}
.legend {
  max-width: 1280px;
  margin: 14px auto 0;
  width: 100%;
  padding: 0 32px;
  display: flex;
  gap: 26px;
  align-items: center;
  font: 400 11px var(--mono);
  color: var(--dim);
  letter-spacing: 0.05em;
  flex-wrap: wrap;
}
.legend s {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.d-acc {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--acc);
}
.d-resp {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--resp);
}
.d-dash {
  width: 18px;
  height: 0;
  border-top: 1px dashed #ada797;
}
.sw-hint {
  display: none;
}
@media (max-width: 880px) {
  .sw-hint {
    display: inline;
  }
}

/* SVG 内部样式 */
#relayGraph text {
  font-family: var(--mono);
}
.grp-lab {
  font-size: 10px;
  letter-spacing: 0.26em;
  fill: var(--dim);
}
.grp-line {
  stroke: rgba(28, 25, 20, 0.25);
  stroke-width: 1;
}
.lnk {
  fill: none;
  stroke: rgba(28, 25, 20, 0.16);
  stroke-width: 1;
  transition:
    opacity 0.2s,
    stroke 0.2s;
}
.lnk-maint {
  stroke-dasharray: 3 5;
}
.unode .c {
  fill: #57534a;
  opacity: 0.85;
}
.unode .ring {
  fill: none;
  stroke: rgba(28, 25, 20, 0.22);
}
.unode.hit .c {
  fill: var(--acc);
}
.u-id {
  font-size: 9px;
  fill: #a9a396;
}
.mnode {
  cursor: pointer;
  transition: opacity 0.2s;
}
.mnode .dot {
  fill: var(--acc);
  transition: fill 0.15s;
}
.mnode .halo {
  fill: none;
  stroke: var(--acc);
  opacity: 0;
  transition: opacity 0.2s;
}
.mnode:hover .halo {
  opacity: 0.6;
}
.mnode.busy .dot {
  fill: var(--busy);
}
.mnode.busy .halo {
  stroke: var(--busy);
}
.mnode.maint .dot {
  fill: #b0aa9b;
}
.mnode.maint .halo {
  stroke: #b0aa9b;
}
.mnode.hit .dot {
  fill: var(--txt);
}
.mnode.hit .m-name-t {
  fill: var(--acc);
}
.m-name-t {
  font-size: 12.5px;
  fill: #26231d;
  transition: fill 0.15s;
}
.m-vendor-t {
  font-size: 9.5px;
  fill: #8f8a7c;
  letter-spacing: 0.06em;
}
.core-ring {
  fill: var(--bg);
  stroke: var(--acc);
  stroke-width: 1.5;
}
.core-ring2 {
  fill: none;
  stroke: rgba(28, 25, 20, 0.22);
}
.core-ping {
  fill: none;
  stroke: var(--acc);
  stroke-width: 1;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: coreping 3.4s cubic-bezier(0.2, 0.6, 0.3, 1) infinite;
}
@keyframes coreping {
  0% {
    transform: scale(0.72);
    opacity: 0.5;
  }
  70% {
    opacity: 0;
  }
  100% {
    transform: scale(2.1);
    opacity: 0;
  }
}
.burst {
  fill: none;
  stroke: var(--acc);
  stroke-width: 1.4;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}
.burst.resp {
  stroke: var(--resp);
}
.pkt .dot {
  fill: var(--acc);
}
.pkt .glow {
  fill: var(--acc);
  opacity: 0.22;
}
.pkt-resp .dot {
  fill: var(--resp);
}
.pkt-resp .glow {
  fill: var(--resp);
}
.core-name {
  font-size: 12px;
  font-weight: 700;
  fill: var(--acc);
  letter-spacing: 0.3em;
}
.core-sub {
  font-size: 9px;
  fill: var(--dim);
  letter-spacing: 0.18em;
}
.core-dot {
  fill: var(--acc);
  animation: blink 2.2s infinite;
}

/* ========== 数据带 ========== */
.stats {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg2);
}
.stats .in {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  padding: 46px 32px;
}
.stat {
  flex: 1;
  min-width: 220px;
  padding: 4px 36px;
  border-left: 1px solid var(--line);
}
.stat:first-child {
  border-left: none;
  padding-left: 0;
}
.stat b {
  display: block;
  font: 600 clamp(30px, 3.4vw, 44px)/1.1 var(--mono);
  letter-spacing: -0.02em;
  font-weight: 600;
  color: var(--txt);
}
.stat b em {
  font-style: normal;
  font-size: 0.45em;
  color: var(--acc);
  margin-left: 5px;
  font-weight: 500;
}
.stat span {
  display: block;
  margin-top: 9px;
  font: 400 11px var(--mono);
  color: var(--dim);
  letter-spacing: 0.2em;
}

/* ========== 区块标题 ========== */
.shead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line2);
  padding-bottom: 20px;
}
.shead h2 {
  font: 900 clamp(26px, 3vw, 32px)/1 var(--serif);
}
.shead .en {
  font: 500 11px var(--mono);
  color: var(--dim);
  letter-spacing: 0.26em;
  white-space: nowrap;
}
.shead .cnt {
  font: 400 12px var(--mono);
  color: var(--sub);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* ========== 模型区 ========== */
.tools {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 28px 0 0;
  flex-wrap: wrap;
}
.search {
  flex: 1;
  min-width: 230px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line2);
  padding: 10px 14px;
  border-radius: 2px;
  background: var(--panel);
  color: var(--dim);
  transition: border 0.15s;
}
.search:focus-within {
  border-color: var(--acc);
}
.search input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--txt);
  font: 400 13px var(--mono);
}
.search input::placeholder {
  color: var(--dim);
}
.search .kbd {
  font: 500 10px var(--mono);
  color: var(--dim);
  border: 1px solid var(--line2);
  padding: 1px 7px;
  border-radius: 2px;
  background: var(--bg);
}
.chip {
  font: 400 12px var(--mono);
  color: var(--sub);
  background: none;
  border: 1px solid var(--line2);
  padding: 8px 14px;
  border-radius: 2px;
  cursor: pointer;
  transition: 0.15s;
  letter-spacing: 0.02em;
}
.chip:hover {
  color: var(--txt);
  border-color: var(--txt);
}
.chip.on {
  color: var(--acc);
  border-color: rgba(224, 69, 26, 0.55);
  background: rgba(224, 69, 26, 0.07);
}
.models-body {
  display: grid;
  grid-template-columns: 1fr 344px;
  gap: 48px;
  align-items: start;
  margin-top: 8px;
}

.list-head {
  display: grid;
  grid-template-columns: 12px minmax(0, 1.55fr) 74px 62px minmax(0, 1fr) 26px;
  gap: 18px;
  align-items: center;
  font: 500 10px var(--mono);
  letter-spacing: 0.2em;
  color: var(--dim);
  padding: 22px 14px 10px;
}
#modelList {
  list-style: none;
}
.row {
  display: grid;
  grid-template-columns: 12px minmax(0, 1.55fr) 74px 62px minmax(0, 1fr) 26px;
  gap: 18px;
  align-items: center;
  padding: 16px 14px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  position: relative;
  transition: background 0.15s;
}
.row::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--acc);
  opacity: 0;
  transition: opacity 0.15s;
}
.row:hover,
.row.hl {
  background: rgba(28, 25, 20, 0.04);
}
.row:hover::before {
  opacity: 1;
}
.m-name {
  font: 500 15px var(--mono);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  min-width: 0;
  overflow-wrap: anywhere;
}
.vendor {
  font: 400 10.5px var(--mono);
  color: var(--dim);
  border: 1px solid var(--line2);
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: 0.15s;
  background: var(--panel);
}
.row:hover .vendor {
  color: var(--sub);
}
.mini-tag {
  font: 600 9px var(--mono);
  letter-spacing: 0.12em;
  color: #8a6700;
  border: 1px solid rgba(178, 132, 10, 0.55);
  padding: 1px 5px;
  border-radius: 2px;
}
.mini-tag.mt {
  color: var(--dim);
  border-color: var(--line2);
}
.m-ctx,
.m-mult {
  font: 400 13px var(--mono);
  color: var(--sub);
}
.m-lat {
  display: flex;
  align-items: center;
  gap: 12px;
  font: 400 12px var(--mono);
  color: var(--sub);
}
.spark {
  opacity: 0.7;
  transition: opacity 0.15s;
  flex-shrink: 0;
}
.row:hover .spark {
  opacity: 1;
}
.m-go {
  color: var(--acc);
  opacity: 0;
  transform: translateX(-5px);
  transition: 0.18s;
  font-family: var(--mono);
}
.row:hover .m-go {
  opacity: 1;
  transform: none;
}
.st {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #b0aa9b;
}
.st-on {
  background: var(--acc);
  animation: breath 2.4s infinite;
}
@keyframes breath {
  0% {
    box-shadow: 0 0 0 0 rgba(224, 69, 26, 0.35);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(224, 69, 26, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(224, 69, 26, 0);
  }
}
.st-busy {
  background: var(--busy);
}
.st-maint {
  background: #b0aa9b;
}
.row-maint {
  opacity: 0.45;
}
.row.flash-row {
  animation: rowflash 1.6s;
}
@keyframes rowflash {
  0% {
    background: rgba(224, 69, 26, 0.16);
  }
  100% {
    background: transparent;
  }
}
.empty {
  padding: 48px 14px;
  text-align: center;
  color: var(--dim);
  font: 400 13px var(--mono);
  border-bottom: 1px solid var(--line);
}

/* 终端（深墨色锚点） */
.term {
  position: sticky;
  top: 96px;
}
.term-box {
  border: 1px solid var(--ink);
  background: var(--ink);
  border-radius: 2px;
}
.term-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font: 500 10.5px var(--mono);
  letter-spacing: 0.16em;
  color: #a8a297;
}
.term-head .live {
  display: flex;
  gap: 8px;
  align-items: center;
  color: #ff8a5e;
}
.term-head .live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ff8a5e;
  animation: blink 1.4s infinite;
}
.term-head .rps {
  color: #7b756a;
  letter-spacing: 0.05em;
}
.term-body {
  height: 392px;
  overflow: hidden;
  padding: 4px 0;
}
.log-row {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 7px 14px;
  font: 400 11.5px var(--mono);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
  animation: login 0.3s;
  cursor: default;
}
@keyframes login {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
}
.log-row:hover {
  background: rgba(255, 255, 255, 0.05);
}
.lt {
  color: #6e685e;
}
.lu {
  color: #a8a297;
}
.lar {
  color: #6e685e;
}
.lm {
  color: #edeae2;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ll {
  color: #6e685e;
}
.lok {
  color: #ff8a5e;
}
.lok.bad {
  color: #ff4d4d;
}
.uptime {
  margin-top: 26px;
}
.uptime h4 {
  font: 500 10px var(--mono);
  letter-spacing: 0.24em;
  color: #7b756a;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
}
.uptime h4 span {
  letter-spacing: 0.05em;
  color: #a8a297;
}
.ubars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 30px;
}
.ubars div {
  flex: 1;
  background: rgba(255, 138, 94, 0.55);
  border-radius: 1px;
  min-height: 3px;
  transition: 0.15s;
}
.ubars div:hover {
  background: #ff8a5e;
}
.ubars div.warn {
  background: rgba(240, 179, 92, 0.7);
}
.uptime p {
  margin-top: 10px;
  font: 400 11px var(--mono);
  color: #7b756a;
  letter-spacing: 0.04em;
}

/* ========== 三步接入 ========== */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr 1fr;
  margin-top: 10px;
}
.step {
  padding: 36px 38px 46px 0;
}
.step + .step {
  border-left: 1px solid var(--line2);
  padding-left: 38px;
}
.step .no {
  font: 700 58px/1 var(--mono);
  color: transparent;
  -webkit-text-stroke: 1px rgba(28, 25, 20, 0.3);
  letter-spacing: -0.02em;
}
.step h3 {
  font: 700 19px var(--sans);
  margin: 20px 0 10px;
}
.step p {
  font: 400 13.5px/1.95 var(--sans);
  color: var(--sub);
}
.step .key {
  display: inline-block;
  margin-top: 16px;
  font: 400 12px var(--mono);
  color: var(--dim);
  border: 1px dashed var(--line2);
  padding: 7px 12px;
  border-radius: 2px;
  letter-spacing: 0.05em;
  background: var(--panel);
}
.code {
  border: 1px solid var(--ink);
  background: var(--ink);
  border-radius: 2px;
  margin-top: 20px;
  position: relative;
}
.code pre {
  padding: 18px 16px 16px;
  overflow-x: auto;
  font: 400 11.5px/1.85 var(--mono);
  color: #d8d3c8;
}
.code .cmd {
  color: #ff8a5e;
}
.code .str {
  color: #f0b35c;
}
.code .ln {
  color: #57534a;
}
.code button {
  position: absolute;
  top: 9px;
  right: 9px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.05);
  color: #a8a297;
  font: 500 10px var(--mono);
  padding: 4px 9px;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: 0.15s;
}
.code button:hover {
  color: #ff8a5e;
  border-color: #ff8a5e;
}
.minilink {
  margin-top: 20px;
  width: 100%;
  max-width: 250px;
  display: block;
}
.minilink .mln {
  fill: none;
  stroke: rgba(28, 25, 20, 0.3);
  stroke-width: 1;
}
.minilink .mn-u {
  fill: #57534a;
}
.minilink .mn-c {
  fill: var(--panel);
  stroke: var(--acc);
  stroke-width: 1.4;
}
.minilink .mn-ci {
  fill: var(--acc);
}
.minilink .mp-a {
  fill: var(--acc);
}
.minilink .mp-b {
  fill: var(--resp);
}
.minilink text {
  font: 9px var(--sans);
  fill: var(--dim);
}

/* ========== CTA / 页脚 ========== */
.cta {
  padding: 150px 32px 140px;
  text-align: center;
  position: relative;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(
    rgba(28, 25, 20, 0.09) 1px,
    transparent 1px
  );
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(
    46% 55% at 50% 50%,
    #000 20%,
    transparent 100%
  );
  mask-image: radial-gradient(46% 55% at 50% 50%, #000 20%, transparent 100%);
}
.cta .kicker {
  justify-content: center;
}
.cta h2 {
  font: 900 clamp(32px, 4.6vw, 56px)/1.25 var(--serif);
  margin: 24px 0 6px;
  position: relative;
}
.cta .url {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin: 34px auto 40px;
  padding: 14px 20px;
  border: 1px dashed var(--line2);
  font: 500 15px var(--mono);
}
.cta .url b {
  color: var(--acc);
  font-weight: 500;
}
.cta .url .cpl {
  border: 1px solid var(--line2);
  background: none;
  color: var(--sub);
  font: 500 10px var(--mono);
  padding: 4px 9px;
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: 0.15s;
}
.cta .url .cpl:hover {
  color: var(--acc);
  border-color: var(--acc);
}
.cta .btn-p {
  position: relative;
}
footer {
  border-top: 1px solid var(--line2);
  padding: 28px 32px;
}
footer .in {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font: 400 12px var(--mono);
  color: var(--dim);
  flex-wrap: wrap;
  gap: 14px;
  letter-spacing: 0.03em;
}
footer nav {
  display: flex;
  gap: 24px;
}
footer a {
  color: var(--sub);
  text-decoration: none;
  transition: 0.15s;
}
footer a:hover {
  color: var(--acc);
}

/* ========== toast / tip / reveal ========== */
#toast {
  position: fixed;
  bottom: 36px;
  left: 50%;
  transform: translate(-50%, 16px);
  opacity: 0;
  pointer-events: none;
  transition: 0.28s;
  display: flex;
  gap: 10px;
  align-items: center;
  background: var(--ink);
  border: 1px solid #34302a;
  padding: 12px 19px;
  border-radius: 2px;
  font: 400 13px var(--sans);
  color: #f2efe7;
  z-index: 99;
}
#toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}
#toast svg {
  color: #ff8a5e;
  flex-shrink: 0;
}
#tip {
  position: fixed;
  z-index: 60;
  pointer-events: none;
  background: var(--ink);
  border: 1px solid #34302a;
  padding: 9px 13px;
  font: 400 11.5px/1.8 var(--mono);
  opacity: 0;
  transition: opacity 0.12s;
  border-radius: 2px;
  max-width: 260px;
}
#tip b {
  color: #ff8a5e;
  display: block;
  font-weight: 500;
}
#tip span {
  color: #c9c4b8;
}
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.75s ease,
    transform 0.75s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* ========== 响应式 ========== */
@media (max-width: 1020px) {
  .nav-links {
    display: none;
  }
  .models-body {
    grid-template-columns: 1fr;
  }
  .term {
    position: static;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .step {
    padding: 32px 0 8px;
  }
  .step + .step {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--line2);
    margin-top: 30px;
    padding-top: 32px;
  }
  .step:first-child {
    padding-top: 6px;
  }
}
@media (max-width: 880px) {
  .nav-url {
    display: none;
  }
}
@media (max-width: 720px) {
  .wrap {
    padding: 76px 20px 0;
  }
  .hero {
    padding-top: 112px;
  }
  .hero-copy,
  .legend {
    padding-left: 20px;
    padding-right: 20px;
  }
  .nav {
    padding: 0 20px;
  }
  .list-head {
    display: none;
  }
  .row {
    grid-template-columns: 12px minmax(0, 1fr) auto;
    gap: 12px;
    padding: 16px 10px;
  }
  .m-ctx,
  .m-mult,
  .m-go,
  .spark {
    display: none;
  }
  .stat {
    flex: 1 1 46%;
    min-width: 150px;
    border-left: none;
    border-top: 1px solid var(--line);
    padding: 18px 0 14px;
  }
  .stat:first-child,
  .stat:nth-child(2) {
    border-top: none;
  }
  .stats .in {
    padding: 30px 20px;
  }
  .cta {
    padding: 110px 20px 100px;
  }
  .shead .en {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Production integration for the supplied homepage. */
.brand {
  text-decoration: none;
}
.brand b {
  letter-spacing: 0.08em;
}
.nav-login {
  font: 500 12px var(--sans);
  text-decoration: none;
  white-space: nowrap;
}
.nav .btn {
  padding: 10px 16px;
  text-decoration: none;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.brand i {
  white-space: nowrap;
}
.nav-right {
  gap: 18px;
}
:focus-visible {
  outline: 2px solid var(--resp);
  outline-offset: 5px;
}
.skip-link {
  position: fixed;
  left: 16px;
  top: -70px;
  z-index: 100;
  background: var(--panel);
  border: 1px solid var(--acc);
  padding: 12px;
}
.skip-link:focus {
  top: 12px;
}
.hero {
  min-height: 100dvh;
}
.stats .stat b {
  font-size: clamp(28px, 4vw, 46px);
}
.catalog-note {
  font-size: 12px;
  color: var(--sub);
  line-height: 1.8;
  margin: 16px 0;
}
.catalog-note a {
  color: var(--acc);
}
.list-head,
.row {
  grid-template-columns: 12px minmax(180px, 1fr) 90px 100px minmax(
      100px,
      140px
    ) 18px;
}
.row {
  cursor: pointer;
}
.m-lat {
  min-width: 0;
  overflow-wrap: anywhere;
}
.model-link {
  display: block;
  padding: 10px 14px;
  color: var(--acc);
  font: 500 12px var(--mono);
  text-decoration: none;
}
.m-ctx,
.m-mult {
  font-size: 12px;
}
.st-on {
  animation: none;
}
.catalog-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 20px;
}
.catalog-footer button {
  padding: 10px 16px;
}
.catalog-footer p {
  font: 12px var(--mono);
  color: var(--dim);
}
.stats-note {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px 18px;
  color: var(--dim);
  font: 11px var(--sans);
}
.term-head .rps {
  white-space: nowrap;
}
.term-body {
  height: 392px;
}
.demo-note {
  font: 11px/1.8 var(--sans);
  color: #aaa497;
  padding: 12px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.diagram-caption {
  font: 11px var(--mono);
  letter-spacing: 0.06em;
  color: var(--dim);
}
.demo-panel {
  margin-top: 24px;
  padding: 20px;
  border: 1px solid var(--line2);
}
.demo-panel h4 {
  font: 500 11px var(--mono);
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}
.demo-panel p {
  color: var(--sub);
  font-size: 12px;
  line-height: 1.9;
}
.loading-status {
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--sub);
}
.loading-status button {
  margin-left: 12px;
}
.page-count {
  color: var(--dim);
}
.cta .url {
  max-width: 100%;
  flex-wrap: wrap;
  justify-content: center;
  overflow-wrap: anywhere;
}
.cta .url b {
  word-break: break-all;
}
#toast {
  max-width: calc(100vw - 32px);
  width: max-content;
}
#tip {
  max-width: min(300px, calc(100vw - 20px));
}
@media (max-width: 720px) {
  .brand i {
    display: none;
  }
  .nav-right {
    gap: 14px;
  }
  .nav {
    gap: 16px;
  }
  .nav .btn {
    padding: 10px 14px;
  }
  .hero-url {
    gap: 10px;
    max-width: 100%;
  }
  .hu-val {
    font-size: 16px;
  }
  .stat {
    min-width: 0;
  }
  .stats-note {
    padding: 0 20px 20px;
  }
  .list-head {
    display: none;
  }
  .row {
    grid-template-columns: 10px minmax(0, 1fr) auto;
    gap: 10px;
  }
  .m-ctx,
  .m-mult,
  .m-go {
    display: none;
  }
  .m-lat {
    max-width: 82px;
    font-size: 10px;
  }
  .m-name {
    font-size: 12px;
  }
  .vendor {
    font-size: 10px;
  }
  .term-head {
    font-size: 9px;
    letter-spacing: 0.07em;
  }
  .log-row {
    gap: 7px;
    padding-inline: 10px;
  }
  .log-row .lu {
    display: none;
  }
  .graph-scroll svg {
    min-width: 100%;
    height: auto;
  }
  .legend {
    line-height: 1.9;
  }
  .cta .url {
    gap: 12px;
    padding: 14px;
    font-size: 13px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .core-ping,
  .core-dot,
  .hu-cur,
  .sysok i,
  .nav-url i {
    animation: none !important;
  }
}

[hidden] {
  display: none !important;
}
.m-go {
  border: 0;
  background: none;
  font: 500 11px var(--mono);
  cursor: pointer;
}
.m-go:focus-visible {
  opacity: 1;
}
.chip[aria-pressed='true'] {
  color: var(--acc);
  border-color: var(--acc);
  background: rgba(224, 69, 26, 0.06);
}

.steps-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr) minmax(0, 1fr);
}
.step {
  min-width: 0;
}
.code {
  min-width: 0;
}
.models-body > * {
  min-width: 0;
}
.m-go {
  opacity: 1;
}
.hero-sub {
  max-width: 620px;
}
@media (max-width: 1020px) {
  .steps-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 720px) {
  .graph-scroll svg {
    min-width: 820px;
  }
  .graph-scroll {
    touch-action: pan-x pan-y;
  }
  .graph-wrap {
    padding-block: 24px;
  }
  .hero {
    min-height: auto;
  }
  .hero-copy h1 {
    font-size: 48px;
  }
  .graph-wrap .legend {
    font-size: 10px;
  }
  .hero-sub {
    font-size: 14px;
  }
  .term-body {
    height: 240px;
  }
}

@media (min-width: 721px) {
  .list-head,
  .row {
    grid-template-columns: 12px minmax(180px, 1fr) 90px 90px minmax(
        80px,
        110px
      ) 36px;
  }
}