/* ==========================================================================
   Orbis 资讯
   沿用 Orbis 设计系统：用色阶分层而不是描边；悬停只改底色；靛蓝只用于交互。
   标题用宋体，正文用黑体，等宽字体只出现在模型 ID 和代码里。
   ========================================================================== */

:root {
  color-scheme: dark;
  --bg: #09090B;
  --s1: #121215;
  --s2: #19191D;
  --s3: #222227;
  --s4: #2C2C32;
  --hover-1: #161619;
  --hover-2: #1E1E22;
  --line: rgba(255, 255, 255, .06);

  --fg: #F4F4F5;
  --fg-2: #A1A1AA;
  --fg-3: #71717A;
  --fg-4: #4E4E56;

  --blue: #8492FF;
  --blue-2: #A9B3FF;
  --blue-ink: #3B4BDB;
  --blue-wash: rgba(132, 146, 255, .12);
  --leg: #8B97FF;

  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "Source Han Serif SC", Georgia, serif;

  --r-sm: 8px;
  --r: 12px;
  --r-lg: 16px;
  --r-xl: 22px;
  --pill: 999px;

  --nav-h: 64px;
  --wrap: 1240px;
  --gut: clamp(20px, 3vw, 40px);
  --sec: clamp(112px, 11vw, 176px);
  --ease: cubic-bezier(.2, .8, .2, 1);
  --shadow-pop: 0 24px 64px -16px rgba(0, 0, 0, .8), 0 8px 20px -8px rgba(0, 0, 0, .6);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 24px); -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--fg-2); font-family: var(--sans); font-size: 15px; line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1, h2, h3, h4, p, figure, blockquote, pre, ol, ul { margin: 0; }
ol, ul { padding: 0; list-style: none; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; color: var(--fg); letter-spacing: .01em; }
p, li { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
svg { display: block; }
kbd { font-family: var(--sans); font-size: 11px; line-height: 1; padding: 4px 6px; border-radius: 5px; background: var(--s3); color: var(--fg-3); }
::selection { background: var(--blue-ink); color: #fff; }
:focus { outline: none; }
:focus-visible { outline: 2px solid rgba(132, 146, 255, .75); outline-offset: 2px; border-radius: 8px; }
.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip:focus { position: fixed !important; z-index: 100; top: 12px; left: 12px; width: auto; height: auto; clip: auto; padding: 8px 14px; background: var(--fg); color: var(--bg); border-radius: 8px; }
.num { font-variant-numeric: tabular-nums; }
.mono { font-family: var(--mono); letter-spacing: -.01em; }
.sp { flex: 1; }
.i { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.i--sm { width: 15px; height: 15px; }

.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gut) * 2); margin: 0 auto; padding: 0 var(--gut); }
.sec { padding-top: var(--sec); }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 20px; border-radius: var(--pill); font-size: 14.5px; font-weight: 500; white-space: nowrap; transition: background-color .2s, color .2s; }
.btn--sm { height: 36px; padding: 0 16px; font-size: 13.5px; }
.btn--white { background: var(--fg); color: #0A0A0C; }
.btn--white:hover { background: #fff; }
.btn--line { background: var(--s2); color: var(--fg); }
.btn--line:hover { background: var(--s3); }
.btn--ghost { color: var(--fg-2); padding: 0 16px; }
.btn--ghost:hover { color: var(--fg); background: var(--s2); }

.seg { display: inline-flex; padding: 4px; gap: 2px; border-radius: var(--pill); background: var(--s1); }
.seg button { height: 32px; padding: 0 14px; border-radius: var(--pill); font-size: 13.5px; color: var(--fg-3); transition: background-color .2s, color .2s; white-space: nowrap; }
.seg button:hover { color: var(--fg); }
.seg button[aria-selected="true"] { background: var(--s3); color: var(--fg); }

/* 模块标题：只靠字号和字重 */
.sh { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px 40px; align-items: end; margin-bottom: 44px; }
.sh h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.3; }
.sh p { margin-top: 12px; max-width: 40em; color: var(--fg-3); }
@media (max-width: 760px) { .sh { grid-template-columns: 1fr; } }

/* ---------- Orbi ---------- */
.orbi { overflow: visible; }
.orbi__bell { fill: #E9EBF4; }
.orbi__leg { stroke: var(--leg); stroke-width: 5.4; stroke-linecap: round; }
.orbi__eye { fill: #0B0C16; stroke: #0B0C16; }
.orbi__eye .e-open { stroke: none; transform-box: fill-box; transform-origin: center; transition: transform .12s; }
.orbi__eye .e-happy { fill: none; stroke-width: 2.6; stroke-linecap: round; opacity: 0; }
.orbi.blink .e-open { transform: scaleY(.1); }
.orbi[data-mood="happy"] .e-open { opacity: 0; }
.orbi[data-mood="happy"] .e-happy { opacity: 1; }
.orbi--ink .orbi__bell { fill: #26262C; }
.orbi--ink .orbi__leg { stroke: #4C5BD8; }
.orbi--ink .orbi__eye { fill: #F4F4F5; stroke: #F4F4F5; }
.orbi.hop { animation: hop .62s var(--ease); }
@keyframes hop { 0% { transform: translateY(0); } 35% { transform: translateY(-14px); } 70% { transform: translateY(2px); } 100% { transform: translateY(0); } }

/* ---------- 导航 ---------- */
.nav { position: fixed; z-index: 40; inset: 0 0 auto; height: var(--nav-h); transition: background-color .3s; }
.nav.is-solid { background: rgba(9, 9, 11, .82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.nav__in { height: 100%; display: flex; align-items: center; gap: 36px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand__orbi { width: 26px; height: 24px; }
.brand__orbi .orbi { width: 26px; height: auto; }
.brand__name { font-family: var(--serif); font-size: 19px; font-weight: 600; color: var(--fg); }
.brand__sec { font-size: 14px; color: var(--fg-3); padding-left: 10px; box-shadow: inset 1px 0 0 var(--s4); }
.nav__links { display: flex; gap: 4px; }
.nav__links a { padding: 6px 12px; border-radius: var(--pill); font-size: 14px; color: var(--fg-3); transition: color .2s, background-color .2s; }
.nav__links a:hover { color: var(--fg); background: var(--s1); }
.nav__search { display: flex; align-items: center; gap: 10px; height: 36px; padding: 0 8px 0 14px; border-radius: var(--pill); background: var(--s1); color: var(--fg-3); font-size: 13.5px; min-width: 190px; transition: background-color .2s; }
.nav__search:hover { background: var(--s2); }
.nav__search span { flex: 1; text-align: left; }
@media (max-width: 900px) { .nav__links { display: none; } .nav__search { min-width: 0; } .nav__search span, .nav__search kbd { display: none; } .nav__search { padding: 0 10px; } }
@media (max-width: 480px) { .nav__cta { display: none; } }

/* ==========================================================================
   首屏
   ========================================================================== */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; isolation: isolate; overflow: hidden; }
.hero__board { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2; touch-action: pan-y; }
.hero__veil { position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(to bottom, rgba(9, 9, 11, .55), transparent 18%, transparent 62%, rgba(9, 9, 11, .9) 92%, var(--bg)); }
.hero__body { flex: 1; display: flex; flex-direction: column; justify-content: center; padding-top: calc(var(--nav-h) + 4vh); padding-bottom: 20px; pointer-events: none; }
.hero__dots { width: min(100%, 1080px); height: clamp(132px, 23vw, 300px); }
.hero__text { pointer-events: auto; max-width: 580px; margin-top: clamp(20px, 3vh, 36px); }
.hero__sum { font-size: 17px; line-height: 1.85; color: var(--fg-2); }
.hero__meta { display: flex; gap: 14px; margin-top: 14px; font-size: 13.5px; color: var(--fg-3); }
.hero__src { color: var(--fg-2); }
.hero__act { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.hero__text > * { transition: opacity .35s var(--ease), transform .45s var(--ease); }
.hero__text.is-out > :not(.hero__act) { opacity: 0; transform: translateY(6px); }
@media (max-width: 760px) { .hero__sum { font-size: 15.5px; } }

/* ---------- 时间轴 ---------- */
.tl { position: relative; padding-bottom: 28px; }
.tl__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.tl__date { font-size: 13px; color: var(--fg-3); }
.tl__pause { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--fg-3); padding: 6px 10px; border-radius: var(--pill); transition: color .2s, background-color .2s; }
.tl__pause:hover { color: var(--fg); background: var(--s1); }
.tl__pause .ic-play { display: none; }
.tl__pause[aria-pressed="true"] .ic-pause { display: none; }
.tl__pause[aria-pressed="true"] .ic-play { display: block; }
.tl__track { position: relative; height: 148px; }
.tl__rail { position: absolute; left: 0; right: 0; top: 58px; height: 2px; border-radius: 2px; background: var(--s3); }
.tl__fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: inherit; background: linear-gradient(to right, rgba(132, 146, 255, .05), rgba(132, 146, 255, .55)); }
.tl__fill::after { content: ""; position: absolute; right: -4px; top: -3px; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 4px rgba(132, 146, 255, .16); }
.tl__hours { position: absolute; left: 0; right: 0; top: 66px; height: 14px; font-size: 11.5px; color: var(--fg-4); }
.tl__hours { top: 34px; }
.tl__hours span { position: absolute; transform: translateX(-50%); }
.tl__hours .tl__now { color: var(--blue-2); }
.tl__orbi { position: absolute; top: 16px; left: 0; width: 48px; margin-left: -24px; pointer-events: none; will-change: transform; }
.tl__orbi .orbi { width: 48px; height: auto; }
.tl__list { position: absolute; inset: 0; }
.tl__item { position: absolute; top: 46px; width: 168px; margin-left: -12px; padding: 0 12px; text-align: left; border-radius: var(--r); }
.tl__item::before { content: ""; position: absolute; left: 7px; top: 7px; width: 10px; height: 10px; border-radius: 50%; background: var(--s4); box-shadow: 0 0 0 4px var(--bg); transition: background-color .25s, transform .25s var(--ease); }
.tl__item:hover::before { background: var(--fg-3); }
.tl__item[aria-current="true"]::before { background: var(--fg); transform: scale(1.2); }
.tl__btn { display: block; width: 100%; padding-top: 38px; text-align: left; }
.tl__time { display: block; font-size: 12px; color: var(--fg-4); transition: color .25s; }
.tl__title { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-top: 2px; font-size: 13px; line-height: 1.5; color: var(--fg-3); transition: color .25s; }
.tl__item:hover .tl__title, .tl__item[aria-current="true"] .tl__title { color: var(--fg); }
.tl__item[aria-current="true"] .tl__time { color: var(--blue-2); }
.tl__prog { display: block; height: 2px; margin-top: 8px; border-radius: 2px; background: var(--s2); overflow: hidden; opacity: 0; transition: opacity .25s; }
.tl__prog i { display: block; height: 100%; width: 100%; background: var(--fg-3); transform-origin: left; transform: scaleX(0); }
.tl__item[aria-current="true"] .tl__prog { opacity: 1; }
@media (max-width: 860px) {
  .tl__track { overflow-x: auto; overflow-y: hidden; scrollbar-width: none; margin: 0 calc(var(--gut) * -1); padding: 0 var(--gut); }
  .tl__track::-webkit-scrollbar { display: none; }
  .tl__rail, .tl__hours, .tl__list { width: 1040px; right: auto; }
  .tl__rail, .tl__hours, .tl__list { left: var(--gut); }
}

/* ==========================================================================
   专题：目录式
   ========================================================================== */
.tp { display: grid; grid-template-columns: 380px minmax(0, 1fr); gap: 20px 56px; padding: 40px 0 36px; box-shadow: inset 0 1px 0 var(--line); }
.tp:last-child { box-shadow: inset 0 1px 0 var(--line), inset 0 -1px 0 var(--line); }
.tp__head { position: sticky; top: calc(var(--nav-h) + 24px); align-self: start; }
.tp h3 { font-size: clamp(28px, 2.8vw, 38px); line-height: 1.3; }
.tp__desc { margin-top: 10px; max-width: 20em; color: var(--fg-3); }
.tp__n { margin-top: 16px; font-size: 13px; color: var(--fg-4); }
.tp ol { counter-reset: tp; margin: -10px 0; }
.tp li a { display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; align-items: baseline; gap: 16px; padding: 14px 18px 14px 14px; border-radius: var(--r-lg); transition: background-color .2s; }
.tp li a:hover { background: var(--s1); }
.tp li a::before { counter-increment: tp; content: counter(tp); font-family: var(--serif); font-size: 22px; font-weight: 600; line-height: 1; color: var(--fg-4); transition: color .2s; }
.tp li a:hover::before { color: var(--blue-2); }
.tp__t { font-family: var(--serif); font-size: 18px; font-weight: 600; line-height: 1.55; color: var(--fg-2); transition: color .2s; }
.tp li a:hover .tp__t { color: var(--fg); }
.tp__m { font-size: 13px; color: var(--fg-4); white-space: nowrap; }
@media (max-width: 900px) { .tp { grid-template-columns: 1fr; } .tp__head { position: static; } .tp li a { grid-template-columns: 30px minmax(0, 1fr); } .tp__m { grid-column: 2; } }


/* ==========================================================================
   文章 + 热点
   ========================================================================== */
.desk { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 72px; }
.feed__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 18px 24px; margin-bottom: 20px; }
.feed__head h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.3; }
.feed__bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.feed__q { display: flex; align-items: center; gap: 8px; height: 40px; padding: 0 14px; border-radius: var(--pill); background: var(--s1); color: var(--fg-3); width: 200px; transition: background-color .2s, width .35s var(--ease); }
.feed__q:focus-within { background: var(--s2); width: 260px; }
.feed__q input { flex: 1; min-width: 0; border: 0; background: none; color: var(--fg); font-size: 14px; }
.feed__q input::placeholder { color: var(--fg-4); }
.feed__q input::-webkit-search-cancel-button { filter: invert(.6); }

.fr { display: grid; grid-template-rows: 1fr; transition: grid-template-rows .45s var(--ease), opacity .3s; }
.fr > div { overflow: hidden; }
.fr.is-hidden { grid-template-rows: 0fr; opacity: 0; }
.fr a { display: grid; grid-template-columns: 236px minmax(0, 1fr); align-items: start; gap: 28px; padding: 18px; margin: 0 -18px; border-radius: var(--r-xl); transition: background-color .2s; }
.fr a:hover { background: var(--s1); }
.fr .cv { aspect-ratio: 3 / 2; border-radius: var(--r-lg); }
.fr__txt { padding-top: 4px; }
.fr__meta { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: var(--fg-4); }
.fr__cat { color: var(--blue-2); }
.fr__title { margin-top: 8px; font-family: var(--serif); font-size: 21px; font-weight: 600; line-height: 1.5; color: var(--fg); }
.fr__dek { margin-top: 8px; color: var(--fg-3); max-width: 40em; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.fr mark { background: var(--blue-wash); color: var(--fg); border-radius: 3px; padding: 0 2px; }
/* 第一篇：大封面，标题更大，摘要多给一行 */
.fr.is-lead a { grid-template-columns: 1fr; gap: 22px; padding-bottom: 28px; }
.fr.is-lead .cv { aspect-ratio: 2 / 1; border-radius: var(--r-xl); }
.fr.is-lead .fr__title { font-size: clamp(24px, 2.4vw, 32px); line-height: 1.4; }
.fr.is-lead .fr__dek { font-size: 16px; -webkit-line-clamp: 3; color: var(--fg-2); }
.feed__empty { padding: 48px 0; color: var(--fg-3); }
.feed__empty button { color: var(--blue-2); }

/* ---------- 封面 ---------- */
@property --lr { syntax: "<length>"; inherits: true; initial-value: 0px; }
.cv { position: relative; margin: 0; overflow: hidden; background: var(--s1); --mx: 50%; --my: 50%; --lr: 0px; transition: --lr .5s var(--ease); }
.fr a:hover .cv { background: var(--s2); }
.cv.is-lit { --lr: 170px; }
.cv canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.cv__hi { -webkit-mask-image: radial-gradient(circle var(--lr) at var(--mx) var(--my), #000 0, rgba(0, 0, 0, .45) 55%, transparent 100%); mask-image: radial-gradient(circle var(--lr) at var(--mx) var(--my), #000 0, rgba(0, 0, 0, .45) 55%, transparent 100%); }
.cv--img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.8) brightness(.8); transition: filter .5s var(--ease); }
.cv--img.is-lit img { filter: saturate(1) brightness(.95); }
/* 点阵屏网格：图像像是从屏幕的点阵里透出来；光标附近的网格被擦开 */
.cv__screen { position: absolute; inset: 0; background-image: radial-gradient(circle at center, transparent 0 1.1px, rgba(9, 9, 11, .62) 1.7px); background-size: 5px 5px;
  -webkit-mask-image: radial-gradient(circle var(--lr) at var(--mx) var(--my), transparent 0, transparent 35%, #000 100%); mask-image: radial-gradient(circle var(--lr) at var(--mx) var(--my), transparent 0, transparent 35%, #000 100%); }
.cv--art { max-width: 1240px; aspect-ratio: 21 / 8; margin-top: 44px; border-radius: var(--r-xl); }

/* ---------- 热点 ---------- */
.hot { position: sticky; top: calc(var(--nav-h) + 28px); align-self: start; display: flex; flex-direction: column; max-height: calc(100vh - var(--nav-h) - 56px); }
.hot__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.hot__head h2 { font-size: 28px; line-height: 1.3; }
.hot__upd { font-size: 13px; color: var(--fg-4); }
.seg--sm { margin-top: 16px; }
.seg--sm button { height: 28px; padding: 0 12px; font-size: 13px; }
.hot__list { min-height: 0; overflow-y: auto; overscroll-behavior: contain; margin: 12px -12px 0; padding-bottom: 4px; scrollbar-width: thin; scrollbar-color: var(--s4) transparent; }
.hx { position: relative; border-radius: var(--r-lg); transition: background-color .2s, transform .5s var(--ease); }
.hx:hover, .hx.open { background: var(--s1); }
.hx__btn { width: 100%; display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 10px; padding: 12px 12px 12px 10px; text-align: left; }
.hx__n { padding-top: 1px; font-family: var(--serif); font-size: 19px; font-weight: 600; line-height: 1.3; color: var(--fg-4); text-align: center; }
.hx--top .hx__n { color: var(--fg); }
.by-time .hx__n { font-family: var(--sans); font-size: 12.5px; font-weight: 400; line-height: 1.85; color: var(--fg-3); }
.hx__title { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 15px; font-weight: 500; line-height: 1.55; color: var(--fg-2); transition: color .2s; }
.hx:hover .hx__title, .hx.open .hx__title { color: var(--fg); }
.hx.open .hx__title { -webkit-line-clamp: unset; }
.hx__meta { display: flex; align-items: center; gap: 10px; margin-top: 7px; font-size: 12px; color: var(--fg-4); }
.by-time .hx__time { display: none; }
/* 热度：一排 12 个点阵小灯，亮几个代表有多少家在报道 */
.heat { display: inline-flex; gap: 2px; }
.heat i { width: 4px; height: 4px; border-radius: 1px; background: var(--s3); }
.heat i.on { background: var(--fg-3); }
.hx--top .heat i.on { background: var(--blue); }
.hx:hover .heat i.on { background: var(--fg-2); }
.hx--top:hover .heat i.on { background: var(--blue-2); }
.hx__more { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .4s var(--ease); }
.hx__more > div { overflow: hidden; padding: 0 14px 0 54px; }
.hx.open .hx__more { grid-template-rows: 1fr; }
.hx.open .hx__more > div { padding-bottom: 14px; }
.hx__more p { font-size: 14px; line-height: 1.75; color: var(--fg-2); }
.hx__src { display: flex; gap: 12px; margin-top: 8px; font-size: 12.5px; color: var(--fg-4); }
.hx__src a { color: var(--fg-3); }
.hx__src a:hover { color: var(--fg); }
.hx__voices { display: grid; gap: 6px; margin-top: 10px; }
.hx__voices li { padding: 9px 12px; border-radius: var(--r); background: var(--s2); font-size: 13px; line-height: 1.65; color: var(--fg-2); }
.hx__voices b { display: block; font-weight: 500; color: var(--fg); font-size: 12.5px; }

@media (max-height: 640px) { .hot { position: static; max-height: none; } }
@media (max-width: 1080px) {
  .desk { grid-template-columns: 1fr; gap: 0; }
  .hot { position: static; order: -1; margin-bottom: 72px; max-height: none; }
}
@media (max-width: 700px) {
  .fr a { grid-template-columns: 1fr; gap: 14px; padding: 14px 12px; margin: 0 -12px; }
  .fr .cv, .fr.is-lead .cv { aspect-ratio: 16 / 9; }
  .feed__q, .feed__q:focus-within { width: 100%; }
  .cv--art { aspect-ratio: 16 / 9; }
}

/* ==========================================================================
   文章页
   ========================================================================== */
.art { padding-top: calc(var(--nav-h) + 48px); }
.art__back { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--fg-3); padding: 6px 12px 6px 8px; margin-left: -8px; border-radius: var(--pill); transition: color .2s, background-color .2s; }
.art__back:hover { color: var(--fg); background: var(--s1); }
.art__head { max-width: 860px; margin-top: 36px; }
.art__cat { font-size: 14px; color: var(--blue-2); }
.art__head h1 { margin-top: 14px; font-size: clamp(32px, 4.4vw, 54px); line-height: 1.28; }
.art__dek { margin-top: 20px; max-width: 40em; font-size: 18px; line-height: 1.85; color: var(--fg-2); }
.art__by { display: flex; flex-wrap: wrap; gap: 6px 22px; margin-top: 24px; font-size: 13.5px; color: var(--fg-3); }
.art__by b { font-weight: 500; color: var(--fg-2); }
.art__grid { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 72px; margin-top: 56px; }
.art__main { max-width: 700px; }
.art__points { padding: 24px 28px; border-radius: var(--r-xl); background: var(--s1); }
.art__points h2 { font-family: var(--sans); font-size: 14px; font-weight: 500; color: var(--fg-3); }
.art__points ul { display: grid; gap: 10px; margin-top: 12px; }
.art__points li { position: relative; padding-left: 20px; color: var(--fg); font-size: 15.5px; line-height: 1.75; }
.art__points li::before { content: ""; position: absolute; left: 2px; top: .72em; width: 6px; height: 6px; border-radius: 2px; background: var(--blue); }
.prose { margin-top: 48px; font-size: 17px; line-height: 1.95; color: #C9C9D0; }
.prose h2 { margin: 56px 0 18px; font-size: 26px; line-height: 1.45; scroll-margin-top: calc(var(--nav-h) + 24px); }
.prose h2:first-child { margin-top: 0; }
.prose p + p { margin-top: 1.1em; }
.prose ul { display: grid; gap: 8px; margin: 18px 0; }
.prose ul li { position: relative; padding-left: 22px; }
.prose ul li::before { content: ""; position: absolute; left: 4px; top: .9em; width: 8px; height: 1.5px; background: var(--fg-4); }
.prose blockquote { margin: 32px 0; padding: 4px 0 4px 24px; box-shadow: inset 2px 0 0 var(--blue); font-family: var(--serif); font-size: 20px; line-height: 1.75; color: var(--fg); }
.prose pre { margin: 28px 0; border-radius: var(--r-lg); background: var(--s1); overflow: hidden; }
.prose pre header { display: flex; align-items: center; justify-content: space-between; padding: 8px 8px 8px 18px; font-family: var(--sans); font-size: 12.5px; color: var(--fg-3); background: var(--s2); }
.prose pre code { display: block; padding: 18px 20px; font-family: var(--mono); font-size: 13.5px; line-height: 1.75; color: #D4D4DA; overflow-x: auto; white-space: pre; }
.prose .tk-s { color: #A5D6B5; }
.prose .tk-k { color: var(--blue-2); }
.prose .tk-c { color: var(--fg-4); }
.prose .tbl { margin: 28px 0; border-radius: var(--r-lg); background: var(--s1); overflow-x: auto; }
.prose table { width: 100%; border-collapse: collapse; font-size: 14.5px; line-height: 1.6; }
.prose th { padding: 12px 18px; text-align: left; font-weight: 500; color: var(--fg-3); font-size: 13px; }
.prose td { padding: 11px 18px; color: var(--fg-2); box-shadow: inset 0 1px 0 var(--line); white-space: nowrap; }
.prose td:first-child { color: var(--fg); }
.prose tr:hover td { background: var(--hover-1); }
.copy { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px; border-radius: var(--r-sm); font-size: 12.5px; color: var(--fg-3); transition: color .2s, background-color .2s; }
.copy:hover { color: var(--fg); background: var(--s3); }

.art__models { margin-top: 64px; }
.art__models h2 { font-size: 22px; }
.art__models p { margin-top: 6px; color: var(--fg-3); font-size: 14px; }
.am { display: grid; gap: 8px; margin-top: 18px; }
.am__row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 16px; padding: 14px 14px 14px 20px; border-radius: var(--r-lg); background: var(--s1); }
.am__nm { color: var(--fg); font-weight: 500; }
.am__id { display: flex; align-items: center; gap: 4px; margin-top: 2px; font-family: var(--mono); font-size: 12.5px; color: var(--fg-3); }
.am__id .copy { height: 24px; padding: 0 6px; }
.am__price { text-align: right; font-size: 13.5px; color: var(--fg-2); }
.am__price small { display: block; font-size: 12px; color: var(--fg-4); }
@media (max-width: 600px) { .am__row { grid-template-columns: 1fr; gap: 10px; } .am__price { text-align: left; } }

.art__next { margin-top: 64px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.art__next a { padding: 20px 22px; border-radius: var(--r-lg); background: var(--s1); transition: background-color .2s; }
.art__next a:hover { background: var(--s2); }
.art__next small { display: block; font-size: 13px; color: var(--fg-4); }
.art__next span { display: block; margin-top: 6px; font-family: var(--serif); font-size: 17px; font-weight: 600; line-height: 1.5; color: var(--fg); }
@media (max-width: 600px) { .art__next { grid-template-columns: 1fr; } }

/* 目录：Orbi 跟着读到的位置往下走 */
.toc { position: sticky; top: calc(var(--nav-h) + 40px); align-self: start; }
.toc h2 { font-family: var(--sans); font-size: 13px; font-weight: 500; color: var(--fg-3); padding-left: 34px; }
.toc__list { position: relative; margin-top: 12px; }
.toc__list::before { content: ""; position: absolute; left: 13px; top: 6px; bottom: 6px; width: 2px; border-radius: 2px; background: var(--s2); }
.toc__fill { position: absolute; left: 13px; top: 6px; width: 2px; border-radius: 2px; background: var(--blue); opacity: .5; transform-origin: top; }
.toc__list a { position: relative; display: block; padding: 7px 0 7px 34px; font-size: 13.5px; line-height: 1.55; color: var(--fg-3); transition: color .25s; }
.toc__list a:hover { color: var(--fg-2); }
.toc__list a.on { color: var(--fg); }
.toc__orbi { position: absolute; left: -1px; top: 0; width: 30px; transition: transform .6s var(--ease); pointer-events: none; }
.toc__orbi .orbi { width: 30px; height: auto; }
.toc__pct { margin-top: 18px; padding-left: 34px; font-size: 12.5px; color: var(--fg-4); }
@media (max-width: 1000px) { .art__grid { grid-template-columns: 1fr; gap: 0; } .toc { display: none; } }

/* ==========================================================================
   页脚
   ========================================================================== */
.foot { margin-top: var(--sec); padding: 72px 0 40px; background: var(--s1); }
.foot__in { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 24px 48px; align-items: start; }
.foot__orbi { width: 72px; padding-top: 4px; }
.foot__orbi .orbi { width: 72px; height: auto; }
.foot__sub h2 { font-size: clamp(22px, 2.4vw, 30px); line-height: 1.4; max-width: 18em; }
.foot__form { display: flex; gap: 8px; margin-top: 22px; max-width: 460px; }
.foot__form input { flex: 1; min-width: 0; height: 44px; padding: 0 18px; border: 0; border-radius: var(--pill); background: var(--s2); color: var(--fg); font-size: 14.5px; }
.foot__form input::placeholder { color: var(--fg-4); }
.foot__form input:focus { background: var(--s3); }
.foot__ok { margin-top: 18px; color: var(--fg-2); }
.foot__links { display: flex; flex-direction: column; gap: 8px; font-size: 14px; color: var(--fg-3); }
.foot__links a:hover { color: var(--fg); }
.foot__fine { grid-column: 1 / -1; padding-top: 32px; font-size: 12.5px; color: var(--fg-4); }
@media (max-width: 760px) { .foot__in { grid-template-columns: 1fr; } .foot__links { flex-direction: row; gap: 20px; } }

/* ==========================================================================
   搜索
   ========================================================================== */
.search { position: fixed; z-index: 60; inset: 0; display: flex; justify-content: center; padding: 12vh var(--gut) 0; }
.search[hidden] { display: none; }
.search__bg { position: absolute; inset: 0; background: rgba(5, 5, 7, .72); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); animation: fade .2s; }
.search__box { position: relative; width: min(100%, 640px); align-self: flex-start; border-radius: var(--r-xl); background: var(--s2); box-shadow: var(--shadow-pop); overflow: hidden; animation: pop .28s var(--ease); }
.search__in { display: flex; align-items: center; gap: 12px; padding: 0 16px 0 20px; height: 60px; color: var(--fg-3); }
.search__in input { flex: 1; min-width: 0; border: 0; background: none; color: var(--fg); font-size: 16px; }
.search__in input::placeholder { color: var(--fg-4); }
.search__res { max-height: 56vh; overflow-y: auto; padding: 0 8px 8px; }
.search__res:empty { display: none; }
.search__res li a { display: block; padding: 12px 14px; border-radius: var(--r); }
.search__res li a.on { background: var(--s3); }
.search__res b { display: block; font-weight: 500; color: var(--fg); font-size: 14.5px; line-height: 1.5; }
.search__res small { display: block; margin-top: 2px; font-size: 12.5px; color: var(--fg-3); }
.search__res mark { background: none; color: var(--blue-2); }
.search__res .none { padding: 18px 14px; color: var(--fg-3); font-size: 14px; }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: translateY(-8px) scale(.985); } }

.toast { position: fixed; z-index: 70; left: 50%; bottom: 28px; padding: 10px 18px; border-radius: var(--pill); background: var(--fg); color: var(--bg); font-size: 14px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .35s var(--ease); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* 视图切换 */
.view { animation: viewIn .5s var(--ease); }
@keyframes viewIn { from { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
.bench .ax .xt { stroke: var(--s4); }