/* 斜杠社官网 2026-10 改版
   母题：Logo 中绿/蓝之间的斜切，以及排版里的「/」。
   色彩：暖纸白 + 墨黑为底，品牌青柠绿 #8fc31f 与天空蓝 #00a0e9 只做强调。 */

:root {
  --ink: #0d0e0b;
  --ink-2: #191a16;
  --ink-3: #26271f;
  --paper: #f3f2ec;
  --paper-2: #e9e7de;
  --paper-3: #dcd9cc;
  --lime: #8fc31f;
  --lime-hi: #a9dd2d;
  --blue: #00a0e9;
  --muted: #64635b;
  --muted-d: #9d9c92;
  --line: rgba(13, 14, 11, .14);
  --line-d: rgba(243, 242, 236, .14);

  --f-sans: "Helvetica Neue", "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", Arial, sans-serif;
  --f-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, "PingFang SC", monospace;

  --gut: clamp(16px, 3.2vw, 48px);
  --maxw: 1560px;
  --head-h: 72px;
  --section-space: clamp(40px, 4.4vw, 72px);
  --ease: cubic-bezier(.2, .7, 0, 1);
  --ease-io: cubic-bezier(.75, 0, .2, 1);
  --cut: 22%;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--head-h) + 16px); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.75 var(--f-sans);
  font-feature-settings: "palt" 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--lime); color: var(--ink); }
h1, h2, h3, h4, p, ul, ol, figure, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: fixed; left: 12px; top: -60px; z-index: 200; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 999px; transition: top .2s; }
.skip:focus { top: 12px; }

/* ---------- 版式基础 ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); }
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 1.6vw, 28px); }
.section { padding: var(--section-space) 0; position: relative; }
.section--tight { padding: clamp(32px, 3.6vw, 56px) 0; }
.section--compact { padding-block: clamp(32px, 3vw, 48px); }
.dark { background: var(--ink); color: var(--paper); }
.dark ::selection { background: var(--lime); color: var(--ink); }

.label {
  font: 500 12px/1.4 var(--f-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex; align-items: center; gap: .6em;
}
.dark .label { color: var(--muted-d); }
.label b { color: var(--ink); font-weight: 500; }
.dark .label b { color: var(--paper); }
.label i { font-style: normal; color: var(--lime); }

.d-xl { font-size: clamp(54px, 10.4vw, 188px); line-height: .94; letter-spacing: -.045em; font-weight: 600; }
.d-l  { font-size: clamp(40px, 6.2vw, 112px); line-height: 1; letter-spacing: -.04em; font-weight: 600; }
.d-m  { font-size: clamp(30px, 3.9vw, 68px); line-height: 1.08; letter-spacing: -.03em; font-weight: 600; }
.h3   { font-size: clamp(21px, 1.9vw, 30px); line-height: 1.3; letter-spacing: -.015em; font-weight: 600; }
.lead { font-size: clamp(18px, 1.55vw, 24px); line-height: 1.65; letter-spacing: -.005em; }
.small { font-size: 14px; line-height: 1.65; }
.muted { color: var(--muted); }
.dark .muted { color: var(--muted-d); }
.num { font-feature-settings: "tnum" 1, "lnum" 1; }
.slash { color: var(--lime); font-weight: 300; margin: 0 .06em; display: inline-block; }
.d-xl .slash, .d-l .slash { font-weight: 200; transform: translateY(-.02em); }
.on-paper-slash { color: var(--blue); }

.sec-head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 1.6vw, 28px); align-items: end; margin-bottom: clamp(24px, 2.4vw, 36px); }
.sec-head .label { grid-column: 1 / -1; margin-bottom: clamp(14px, 1.4vw, 20px); }
.sec-head h2 { grid-column: 1 / span 8; }
.sec-head p { grid-column: 9 / span 4; color: var(--muted); }
.dark .sec-head p { color: var(--muted-d); }
@media (max-width: 900px) {
  .sec-head h2, .sec-head p { grid-column: 1 / -1; }
  .sec-head p { margin-top: 20px; }
}

/* ---------- 按钮与链接 ---------- */
.btn {
  --bg: var(--ink); --fg: var(--paper); --sweep: var(--lime); --fg-h: var(--ink);
  position: relative; display: inline-flex; align-items: center; gap: 14px;
  height: 56px; padding: 0 26px 0 28px; border-radius: 999px;
  background: var(--bg); color: var(--fg);
  font-size: 16px; font-weight: 500; letter-spacing: .01em;
  overflow: hidden; isolation: isolate; white-space: nowrap;
  transition: color .45s var(--ease), transform .45s var(--ease);
}
.btn::before {
  content: ""; position: absolute; inset: -2px; z-index: -1; background: var(--sweep);
  clip-path: polygon(0 0, 0 0, -30% 100%, -30% 100%);
  transition: clip-path .6s var(--ease);
}
.btn:hover::before, .btn:focus-visible::before { clip-path: polygon(0 0, 130% 0, 100% 100%, -30% 100%); }
.btn:hover, .btn:focus-visible { color: var(--fg-h); }
.btn .arr { width: 18px; height: 18px; transition: transform .45s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }
.btn--ghost { --bg: transparent; --fg: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.btn--lime { --bg: var(--lime); --fg: var(--ink); --sweep: var(--paper); }
.dark .btn { --bg: var(--paper); --fg: var(--ink); }
.dark .btn--ghost { --bg: transparent; --fg: var(--paper); box-shadow: inset 0 0 0 1px var(--line-d); }
.dark .btn--lime { --bg: var(--lime); --fg: var(--ink); --sweep: var(--paper); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.ulink { position: relative; display: inline-flex; align-items: center; gap: .5em; padding-bottom: 2px; }
.ulink::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; transform-origin: right; transition: transform .5s var(--ease); }
.ulink:hover::after { transform: scaleX(0); transform-origin: left; }
.arrow-i { display: inline-block; transition: transform .4s var(--ease); }
a:hover > .arrow-i, button:hover > .arrow-i { transform: translateX(4px); }

.chip {
  display: inline-flex; align-items: center; height: 30px; padding: 0 12px; border-radius: 999px;
  font-size: 13px; line-height: 1; white-space: nowrap;
  box-shadow: inset 0 0 0 1px var(--line); color: var(--ink);
}
.dark .chip { box-shadow: inset 0 0 0 1px var(--line-d); color: var(--paper); }
a.chip { transition: background .3s, color .3s, box-shadow .3s; }
a.chip:hover { background: var(--ink); color: var(--paper); box-shadow: none; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }

/* ---------- 顶栏 ---------- */
.head {
  position: fixed; inset: 0 0 auto; z-index: 90; height: var(--head-h);
  transition: transform .5s var(--ease), background .35s, color .35s, box-shadow .35s;
}
.head .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.head.is-solid { background: rgba(243, 242, 236, .86); backdrop-filter: saturate(1.4) blur(16px); -webkit-backdrop-filter: saturate(1.4) blur(16px); box-shadow: 0 1px 0 var(--line); }
.head.is-hidden { transform: translateY(-100%); }
.head.on-dark:not(.is-solid) { color: var(--paper); }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 600; font-size: 19px; letter-spacing: -.01em; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
.brand small { font: 500 11px/1 var(--f-mono); letter-spacing: .08em; color: var(--muted); margin-left: 2px; }
.head.on-dark:not(.is-solid) .brand small { color: var(--muted-d); }
.nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 40px); }
.nav-main { position: relative; font-size: 15px; padding: 12px 0; }
.nav-main::after { content: "/"; position: absolute; left: 50%; top: -2px; transform: translate(-50%, 6px); opacity: 0; color: var(--lime); font-weight: 300; transition: .35s var(--ease); }
.nav-main:hover::after, .nav-main[aria-current="page"]::after { opacity: 1; transform: translate(-50%, 0); }
.nav-group { display: flex; align-items: center; height: var(--head-h); }
.nav-toggle { width: 28px; min-height: 44px; display: grid; place-items: center; color: var(--muted); }
.nav-toggle span { transition: transform .25s; }
.nav-toggle[aria-expanded="true"] span { transform: rotate(180deg); }
.nav-panel { position: absolute; top: calc(var(--head-h) - 1px); right: var(--gut); left: var(--gut); display: grid; grid-template-columns: 1fr 2.2fr; gap: 36px; padding: 30px 36px; background: var(--paper); color: var(--ink); border: 1px solid var(--line); box-shadow: 0 24px 48px rgba(13,14,11,.12); border-radius: 0 0 12px 12px; animation: nav-in .24s var(--ease); }
@keyframes nav-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.nav-intro { border-right: 1px solid var(--line); padding-right: 32px; }
.nav-intro small { color: var(--muted); font: 11px var(--f-mono); letter-spacing: .12em; }
.nav-intro p { font-size: 25px; line-height: 1.45; margin: 16px 0 22px; max-width: 12em; }
.nav-intro a { font-size: 14px; text-decoration: underline; text-underline-offset: 5px; }
.nav-children { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px 24px; }
.nav-children a { display: block; padding: 12px 14px; border-radius: 6px; transition: background .2s; }
.nav-children a:hover, .nav-children a:focus-visible { background: var(--paper-2); }
.nav-children b { display: block; font-weight: 500; font-size: 16px; }
.nav-children span { display: block; margin-top: 6px; font-size: 12px; line-height: 1.6; color: var(--muted); }
.head.nav-open { background: var(--paper); color: var(--ink); transform: none; }
.head.nav-open .brand small { color: var(--muted); }
.head.nav-open .nav .btn { --bg: var(--ink); --fg: var(--paper); }
.nav .btn { height: 44px; padding: 0 20px; font-size: 14px; }
.head.on-dark:not(.is-solid) .nav .btn { --bg: var(--paper); --fg: var(--ink); }
.menu-btn { display: none; width: 44px; height: 44px; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--line); position: relative; }
.head.on-dark:not(.is-solid) .menu-btn { box-shadow: inset 0 0 0 1px var(--line-d); }
.menu-btn span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: currentColor; transition: transform .45s var(--ease), opacity .3s; }
.menu-btn span:nth-child(1) { top: 17px; }
.menu-btn span:nth-child(2) { top: 25px; }
.menu-open .menu-btn span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.menu-open .menu-btn span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }
.progress { position: fixed; left: 0; top: 0; height: 2px; width: 100%; background: linear-gradient(90deg, var(--lime), var(--blue)); transform-origin: 0 50%; transform: scaleX(0); z-index: 95; pointer-events: none; }

.menu {
  position: fixed; inset: 0; z-index: 85; background: var(--ink); color: var(--paper);
  padding: calc(var(--head-h) + 24px) var(--gut) 32px; display: flex; flex-direction: column; justify-content: space-between;
  clip-path: polygon(0 0, 100% 0, 100% 0, 0 0); visibility: hidden;
  transition: clip-path .7s var(--ease-io), visibility 0s .7s;
}
.menu-open .menu { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); visibility: visible; transition: clip-path .7s var(--ease-io); }
.menu-open .head { color: var(--paper); background: transparent; box-shadow: none; backdrop-filter: none; }
.menu-open .head .brand small { color: var(--muted-d); }
.menu-open .menu-btn { box-shadow: inset 0 0 0 1px var(--line-d); }
.menu nav a { display: flex; align-items: baseline; gap: 16px; font-size: clamp(40px, 12vw, 72px); font-weight: 600; letter-spacing: -.04em; line-height: 1.15; padding: 4px 0; border-bottom: 1px solid var(--line-d); opacity: 0; transform: translateY(30px); transition: .6s var(--ease); }
.menu nav a small { font: 500 12px var(--f-mono); color: var(--lime); letter-spacing: .08em; }
.menu-open .menu nav a { opacity: 1; transform: none; }
.menu-open .menu nav a:nth-child(2) { transition-delay: .05s; }
.menu-open .menu nav a:nth-child(3) { transition-delay: .1s; }
.menu-open .menu nav a:nth-child(4) { transition-delay: .15s; }
.menu-open .menu nav a:nth-child(5) { transition-delay: .2s; }
.menu-open .menu nav a:nth-child(6) { transition-delay: .25s; }
.menu .menu-foot { font-size: 14px; color: var(--muted-d); display: grid; gap: 6px; }
.menu .menu-foot a { color: var(--paper); }
@media (max-width: 960px) {
  .nav { display: none; }
  .menu-btn { display: block; }
}
.menu-open { overflow: hidden; }
.menu { overflow-y: auto; overscroll-behavior: contain; gap: 32px; }
.menu > nav { flex: 0 0 auto; }
.menu nav .mobile-top, .mobile-group > summary { display: flex; justify-content: space-between; padding: 16px 0; font-size: clamp(24px,5vw,36px); font-weight: 500; line-height: 1.3; letter-spacing: -.02em; border-bottom: 1px solid var(--line-d); cursor: pointer; }
.mobile-group > summary { list-style: none; }
.mobile-group > summary::-webkit-details-marker { display: none; }
.mobile-group > summary > span { font-size: 24px; color: var(--lime); transition: transform .25s; }
.mobile-group[open] > summary > span { transform: rotate(45deg); }
.mobile-children { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 20px; padding: 12px 0; }
.menu nav .mobile-children a { justify-content: space-between; font-size: 14px; font-weight: 400; letter-spacing: 0; line-height: 1.6; padding: 14px 0; gap: 8px; transform: none; transition: color .2s; }
.mobile-children a span { color: var(--muted-d); }
.menu .menu-foot { padding-top: 12px; }

/* ---------- 首屏 ---------- */
.hero { position: relative; min-height: 100svh; padding: calc(var(--head-h) + clamp(28px, 5vh, 64px)) 0 clamp(24px, 4vh, 48px); display: flex; flex-direction: column; overflow: clip; }
.hero .wrap { flex: 1; display: flex; flex-direction: column; }
.hero-eyebrow { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.hero-body { flex: 1; position: relative; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 1.6vw, 28px); align-items: center; padding: clamp(28px, 4vh, 56px) 0; }
.hero h1 { grid-column: 1 / span 6; grid-row: 1; position: relative; z-index: 2; font-weight: 600; }
.hero h1 .d-xl { display: block; font-size: clamp(44px, 6.7vw, 108px); }
.hero h1 .line { white-space: nowrap; }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .04em; }
.hero h1 .line > span { display: inline-block; }
.hero h1 .line-2 { padding-left: .35em; }
.hero-visual { grid-column: 7 / span 6; grid-row: 1; position: relative; padding-top: 32px; }
.hero-frame {
  position: relative; width: 100%; aspect-ratio: 3 / 2; overflow: hidden; background: var(--ink);
}
.hero-frame figure { position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s var(--ease); }
.hero-frame figure.is-on { opacity: 1; }
.hero-frame img { width: 100%; height: 100%; object-fit: contain; }
.hero-cap {
  position: static; width: 100%; padding: 12px 0; display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, .65fr); align-items: center; gap: 20px; border-bottom: 1px solid var(--line);
}
.hero-cap a { display: grid; gap: 4px; }
.hero-cap .t { font-size: 16px; font-weight: 600; line-height: 1.35; }
.hero-controls { display: flex; gap: 14px; align-items: center; }
.hero-cap .bars { display: flex; gap: 5px; flex: 1; }
.hero-cap .bars button { flex: 1; min-width: 22px; height: 44px; display: grid; align-items: center; }
.hero-cap .bars button span { height: 3px; background: var(--line); transition: background .2s; }
.hero-cap .bars button[aria-pressed="true"] span { background: var(--ink); }
@keyframes bar { to { transform: scaleX(1); } }
.hero-foot { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 1.6vw, 28px); align-items: end; gap: 28px clamp(12px, 1.6vw, 28px); }
.hero-foot .lead { grid-column: 1 / span 5; color: var(--ink); }
.js .hero-foot > * { opacity: 0; transform: translateY(20px); }
.js.is-loaded .hero-foot > * { opacity: 1; transform: none; transition: opacity 1s var(--ease) .45s, transform 1s var(--ease) .45s; }
.js.is-loaded .hero-foot > * + * { transition-delay: .55s; }
.hero-foot .btn-row { grid-column: 7 / span 6; justify-content: flex-end; }
.hero-tag { position: absolute; left: 0; top: 0; background: var(--lime); color: var(--ink); font: 600 11px/1 var(--f-mono); letter-spacing: .1em; padding: 7px 16px 7px 11px; white-space: nowrap; clip-path: polygon(0 0,100% 0,calc(100% - 8px) 100%,0 100%); }
@media (max-width: 960px) {
  .hero { min-height: auto; }
  .hero-body { display: block; padding: 28px 0 32px; }
  .hero h1 .line-2 { padding-left: 0; }
  .hero-visual { margin-top: 28px; }
  .hero-cap { gap: 12px; }
  .hero-foot .lead, .hero-foot .btn-row { grid-column: 1 / -1; justify-content: flex-start; }
}
@media (max-width: 480px) {
  .hero-cap { grid-template-columns: 1fr; gap: 0; padding-bottom: 0; }
}

/* 入场动画 */
.js .reveal-line > span { transform: translateY(105%); }
.js.is-loaded .reveal-line > span { transform: none; transition: transform 1.1s var(--ease); }
.js.is-loaded .reveal-line:nth-child(2) > span { transition-delay: .08s; }
.js.is-loaded .reveal-line:nth-child(3) > span { transition-delay: .16s; }
.js .hero-frame { opacity: 0; }
.js.is-loaded .hero-frame { opacity: 1; transition: opacity .8s var(--ease) .15s; }

.js [data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0s); }
.js [data-reveal].in { opacity: 1; transform: none; }
.js [data-wipe] { clip-path: polygon(0 100%, 100% 100%, 100% 100%, 0 100%); transition: clip-path 1.2s var(--ease-io); transition-delay: var(--d, 0s); }
.js [data-wipe].in { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }

/* ---------- 岗位跑马灯 ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line); padding: clamp(14px, 1.6vw, 24px) 0; white-space: nowrap; user-select: none; }
.marquee-track { display: inline-flex; will-change: transform; }
.marquee-track span { font-size: clamp(36px, 5.6vw, 96px); font-weight: 600; letter-spacing: -.035em; line-height: 1.1; padding-right: .3em; }
.marquee-track span:nth-child(even) { color: transparent; -webkit-text-stroke: 1px var(--ink); }
.marquee-track .slash { -webkit-text-stroke: 0; padding-right: .3em; color: var(--lime); }
.dark .marquee { border-color: var(--line-d); }
.dark .marquee-track span:nth-child(even) { -webkit-text-stroke-color: var(--paper); }

/* ---------- 宣言（滚动逐字点亮） ---------- */
.manifesto .mani-text { font-size: clamp(30px, 4.4vw, 76px); line-height: 1.28; letter-spacing: -.03em; font-weight: 600; max-width: 22em; }
.manifesto em { font-style: normal; }
.manifesto .ch { opacity: .16; transition: opacity .25s linear; }
.manifesto .ch.on { opacity: 1; }
.manifesto .ch.hl.on { color: var(--lime); }
.manifesto-foot { margin-top: clamp(32px, 3.4vw, 52px); display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 1.6vw, 28px); }
.manifesto-foot > * { grid-column: span 3; padding-top: 18px; border-top: 1px solid var(--line-d); }
@media (max-width: 900px) { .manifesto-foot > * { grid-column: span 6; margin-bottom: 28px; } }

/* ---------- 数据 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-d); }
.stat { padding: clamp(24px, 3vw, 44px) clamp(0px, 1.6vw, 28px) 0 0; border-right: 1px solid var(--line-d); margin-right: clamp(12px, 1.6vw, 28px); }
.stat:last-child { border-right: 0; margin-right: 0; }
.stat b { display: block; font-size: clamp(48px, 6.4vw, 116px); font-weight: 500; letter-spacing: -.05em; line-height: 1; font-feature-settings: "tnum" 1; }
.stat b sup { font-size: .38em; vertical-align: top; position: relative; top: .2em; margin-left: .06em; color: var(--lime); font-weight: 400; }
.stat > span { display: block; margin-top: 14px; color: var(--muted-d); font-size: 15px; }
@media (max-width: 900px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(2) { border-right: 0; margin-right: 0; }
  .stat:nth-child(-n+2) { padding-bottom: 28px; border-bottom: 1px solid var(--line-d); }
}

/* ---------- 服务行 ---------- */
.svc { border-top: 1px solid var(--line); }
.svc-row { position: relative; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 1.6vw, 28px); align-items: center; padding: clamp(22px, 2.6vw, 40px) 0; border-bottom: 1px solid var(--line); isolation: isolate; }
.svc-row::before { content: ""; position: absolute; inset: 0 calc(var(--gut) * -1); z-index: -1; background: var(--lime); clip-path: polygon(0 0, 0 0, -12% 100%, -12% 100%); transition: clip-path .7s var(--ease); }
.svc-row:hover::before, .svc-row:focus-within::before { clip-path: polygon(0 0, 112% 0, 100% 100%, -12% 100%); }
.svc-row .n { grid-column: span 1; font: 500 13px var(--f-mono); color: var(--muted); }
.svc-row h3 { grid-column: span 5; font-size: clamp(28px, 3.6vw, 60px); letter-spacing: -.035em; line-height: 1.05; font-weight: 600; }
.svc-row p { grid-column: span 5; color: var(--muted); transition: color .4s; }
.svc-row:hover p, .svc-row:hover .n { color: var(--ink); }
.svc-row .go { grid-column: span 1; justify-self: end; width: 52px; height: 52px; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--line); display: grid; place-items: center; transition: background .4s, color .4s, transform .5s var(--ease); }
.svc-row:hover .go { background: var(--ink); color: var(--lime); transform: rotate(-17deg); }
.svc-row a.cover { position: absolute; inset: 0; z-index: 1; }
@media (max-width: 900px) {
  .svc-row .n { grid-column: 1 / -1; margin-bottom: 8px; }
  .svc-row h3 { grid-column: 1 / span 10; }
  .svc-row .go { grid-column: 11 / span 2; width: 44px; height: 44px; }
  .svc-row p { grid-column: 1 / -1; margin-top: 10px; }
}

/* ---------- 横向精选案例 ---------- */
.hs { position: relative; }
.hs-sticky { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.hs-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: clamp(28px, 4vh, 56px); }
@media (max-width: 600px) { .hs-count { display: none; } }
.hs-count { font: 500 13px var(--f-mono); color: var(--muted-d); }
.hs-count b { color: var(--paper); font-weight: 500; }
.hs-track { display: flex; gap: clamp(16px, 2vw, 36px); padding: 0 var(--gut); will-change: transform; }
.fcard { flex: 0 0 auto; width: clamp(280px, 30vw, 520px); display: block; position: relative; }
.fcard:nth-child(even) { margin-top: clamp(24px, 6vh, 72px); }
.fcard .img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--ink-3); }
.fcard img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); transition: transform 1.2s var(--ease), filter .6s; }
.fcard:hover img { transform: scale(1.1); }
.fcard .img::after { content: ""; position: absolute; inset: 0; background: var(--lime); mix-blend-mode: multiply; clip-path: polygon(0 0, 0 0, -30% 100%, -30% 100%); transition: clip-path .7s var(--ease); }
.project-metric { position: absolute; left: 14px; bottom: 14px; max-width: calc(100% - 28px); z-index: 2; background: rgba(243,242,236,.92); color: var(--ink); padding: 8px 13px; border: 1px solid rgba(255,255,255,.55); border-radius: 18px; backdrop-filter: blur(12px); font-size: 13px; font-weight: 500; line-height: 1.6; letter-spacing: .015em; }
.fcard .meta { display: flex; justify-content: space-between; gap: 12px; margin-top: 16px; font: 500 12px var(--f-mono); letter-spacing: .06em; color: var(--muted-d); }
.fcard h3 { margin-top: 8px; font-size: clamp(20px, 1.7vw, 28px); line-height: 1.3; letter-spacing: -.02em; font-weight: 600; }
.fcard p { margin-top: 8px; font-size: 14px; color: var(--muted-d); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.fcard--end { width: clamp(260px, 24vw, 400px); display: grid; place-content: center; text-align: left; aspect-ratio: 4 / 3; align-self: center; background: var(--lime); color: var(--ink); padding: 32px; margin-top: 0 !important; }
.fcard--end b { font-size: clamp(40px, 4vw, 72px); letter-spacing: -.05em; line-height: 1; font-weight: 600; }
.fcard--end span { margin-top: 12px; font-size: 16px; }
.hs-bar { margin: clamp(28px, 4vh, 48px) var(--gut) 0; height: 1px; background: var(--line-d); position: relative; }
.hs-bar i { position: absolute; inset: 0; background: linear-gradient(90deg, var(--lime), var(--blue)); transform-origin: 0 50%; transform: scaleX(0); }
@media (max-width: 900px), (prefers-reduced-motion: reduce) {
  .hs { height: auto !important; }
  .hs-sticky { position: relative; height: auto; padding: var(--section-space) 0; }
  .hs-track { overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; transform: none !important; scroll-padding: 0 var(--gut); }
  .hs-track::-webkit-scrollbar { display: none; }
  .fcard { scroll-snap-align: start; width: min(78vw, 420px); }
  .fcard:nth-child(even) { margin-top: 0; }
  .hs-bar { display: none; }
}

/* ---------- 档案条码 ---------- */
.archive { display: grid; gap: 2px; }
.archive-touch, .idx-thumb, .touch-only { display: none; }
.arow { display: grid; grid-template-columns: 112px minmax(0, 1fr) 72px; align-items: center; gap: clamp(12px, 2vw, 32px); padding: 14px 0; border-bottom: 1px solid var(--line); }
.arow .yr { font-size: clamp(22px, 2.2vw, 36px); font-weight: 500; letter-spacing: -.03em; font-feature-settings: "tnum" 1; }
.arow .yr small { display: block; font: 500 11px var(--f-mono); letter-spacing: .06em; color: var(--muted); margin-top: 2px; white-space: nowrap; }
.arow .cnt { text-align: right; font: 500 13px var(--f-mono); color: var(--muted); }
.ticks { display: flex; align-items: flex-end; gap: 3px; height: 72px; min-width: 0; overflow: hidden; }
.tick { flex: 1 1 0; max-width: 16px; min-width: 3px; height: 56%; background: var(--c, var(--ink)); border-radius: 1px; position: relative; transition: height .45s var(--ease), background .3s; transform-origin: 50% 100%; }
.tick:hover, .tick:focus-visible { height: 100%; }
.ticks:hover .tick:not(:hover) { opacity: .45; }
.js .archive .tick { height: 0; }
.js .archive .arow.in .tick { height: 56%; transition-delay: calc(var(--i) * 5ms); }
.js .archive .arow.in .tick:hover { height: 100%; transition-delay: 0s; }
.peek { position: fixed; left: 0; top: 0; z-index: 70; width: 280px; pointer-events: none; opacity: 0; transform: translate3d(-999px, 0, 0); transition: opacity .25s; }
.peek.on { opacity: 1; }
.peek .pimg { aspect-ratio: 4 / 3; background: var(--ink-3); overflow: hidden; clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%); }
.peek img { width: 100%; height: 100%; object-fit: cover; }
.peek .pt { background: var(--ink); color: var(--paper); padding: 10px 12px; font-size: 13px; line-height: 1.4; margin-top: 6px; }
.peek .pt small { display: block; font: 500 11px var(--f-mono); color: var(--lime); letter-spacing: .06em; margin-bottom: 2px; }
@media (max-width: 700px) {
  .arow { grid-template-columns: 74px minmax(0, 1fr) 36px; gap: 10px; }
  .arow .yr small { letter-spacing: 0; }
  .ticks { gap: 1px; height: 56px; }
  .tick { min-width: 1px; }
}
@media (hover: none) { .peek { display: none; } }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(12px, 1.6vw, 28px); position: relative; }
.steps::before { content: ""; position: absolute; left: 0; right: 0; top: 22px; height: 1px; background: var(--line); }
.steps::after { content: ""; position: absolute; left: 0; right: 0; top: 22px; height: 1px; background: var(--ink); transform-origin: 0 50%; transform: scaleX(var(--p, 0)); transition: transform .1s linear; }
.step { position: relative; padding-top: 64px; }
.step .dot { position: absolute; top: 12px; left: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--paper); box-shadow: inset 0 0 0 1px var(--ink); display: grid; place-items: center; z-index: 1; transition: background .4s, box-shadow .4s; }
.step.on .dot { background: var(--lime); box-shadow: inset 0 0 0 1px var(--lime); }
.step .n { font: 500 12px var(--f-mono); color: var(--muted); letter-spacing: .08em; }
.step h3 { font-size: clamp(22px, 2vw, 30px); letter-spacing: -.02em; font-weight: 600; margin: 8px 0 10px; line-height: 1.2; }
.step p { color: var(--muted); font-size: 15px; }
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; gap: 0; }
  .steps::before, .steps::after { left: 10px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .steps::after { transform-origin: 50% 0; transform: scaleY(var(--p, 0)); }
  .step { padding: 0 0 36px 48px; }
  .step .dot { top: 2px; }
}

/* ---------- 城市 ---------- */
.cities { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 1.6vw, 28px); }
.cities-hq { grid-column: 1 / span 5; display: grid; gap: 28px; align-content: start; }
.cities-hq div { padding-top: 18px; border-top: 1px solid var(--line); }
.cities-hq b { display: block; font-size: clamp(26px, 2.6vw, 40px); letter-spacing: -.03em; font-weight: 600; line-height: 1.15; }
.cities-hq span { color: var(--muted); font-size: 15px; }
.city-list { grid-column: 7 / span 6; border-top: 1px solid var(--line); }
.city-list a, .city-list span.c { display: flex; align-items: baseline; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: clamp(30px, 3.6vw, 60px); font-weight: 600; letter-spacing: -.04em; line-height: 1.1; transition: padding .5s var(--ease), color .3s; }
.city-list a small, .city-list span.c small { font: 500 12px var(--f-mono); letter-spacing: .06em; color: var(--muted); }
.city-list a:hover { padding-left: 18px; }
.city-list a:hover small { color: var(--ink); }
.city-list a::before { content: "/"; color: var(--lime); font-weight: 300; width: 0; overflow: hidden; display: inline-block; transition: width .5s var(--ease); }
.city-list a:hover::before { width: .5em; }
.city-list a .nm { margin-right: auto; }
@media (max-width: 900px) {
  .cities-hq, .city-list { grid-column: 1 / -1; }
  .city-list { margin-top: 48px; }
}

/* ---------- 品牌墙 ---------- */
.brand-section-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 24px; }
.brand-section-heading > a { font-size: 13px; }
.brands { display: grid; gap: 8px; }
.brand-group { min-width: 0; }
.brands .marquee { border: 0; padding: 4px 0; }
.brands .marquee-track span { font-size: clamp(24px, 3vw, 48px); font-weight: 500; color: var(--ink); -webkit-text-stroke: 0 !important; padding: 0 .55em; letter-spacing: -.02em; }
.brands .marquee-track span:nth-child(even) { color: var(--muted); }
.brands .marquee-track span::after { content: "/"; color: var(--lime); font-weight: 300; margin-left: 1.1em; }
.brand-lane { min-width: 0; border-top: 1px solid var(--line); overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: none; scroll-behavior: auto; }
.brand-lane::-webkit-scrollbar { display: none; }
.brand-track { display: flex; width: max-content; }
.brand-item { display: flex; flex: 0 0 clamp(166px,16vw,208px); width: clamp(166px,16vw,208px); height: 112px; align-items: center; justify-content: center; padding: 18px; border-bottom: 1px solid var(--line); }
.brand-item img { width: 100%; max-width: 180px; height: 64px; object-fit: contain; }
.brand-item--logo { flex-direction: column; gap: 6px; padding: 8px 10px; }
.brand-item--logo img { width: 180px; max-width: 100%; height: 64px; flex-shrink: 0; }
.brand-name { font-size: 12px; line-height: 1.4; color: var(--muted); text-align: center; }
.brand-item--text { font-size: clamp(16px, 1.7vw, 24px); font-weight: 600; letter-spacing: -.025em; white-space: nowrap; }
.brand-item:nth-child(4n+1), .brand-item:nth-child(4n+4) { color: var(--muted); }
.brand-item--logo:hover .brand-name { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.brand-directory-head { padding-bottom: 40px; }
.brand-directory-head h1 { margin-top: 16px; }
.brand-directory-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-top: 24px; }
.brand-directory-intro .lead { max-width: 34em; margin: 0; }
.brand-directory-intro > a { flex-shrink: 0; font-size: 14px; }
.brand-item:target { outline: 2px solid var(--lime); outline-offset: -2px; }
.brand-sector-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 28px; }
.brand-sector-grid article { border-top: 1px solid var(--line); padding-top: 20px; }
.brand-sector-grid h3 { font-size: 21px; font-weight: 500; margin-bottom: 14px; }
.brand-sector-grid p { font-size: 15px; line-height: 1.9; color: var(--muted); }
.brand-strength-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.brand-strength-grid article { padding: 26px; border: 1px solid var(--line); background: var(--paper-2); }
.brand-strength-grid article > span { font-size: 12px; color: var(--muted); }
.brand-strength-grid h3 { font-size: clamp(21px,2.3vw,28px); line-height: 1.4; font-weight: 500; margin: 16px 0; }
.brand-strength-grid p { font-size: 15px; line-height: 1.9; color: var(--muted); }
.brand-strength-grid a { display: inline-flex; margin-top: 20px; font-size: 13px; }
.brand-plans-section { padding-bottom: 64px; }
.brand-plan-list { border-top: 1px solid var(--line); }
.brand-plan { border-bottom: 1px solid var(--line); }
.brand-plan > summary { padding: 24px 0; cursor: pointer; list-style: none; }
.brand-plan-summary { display: grid; grid-template-columns: 36px minmax(230px,.8fr) minmax(0,1fr) 24px; align-items: center; gap: 18px; }
.brand-plan > summary::-webkit-details-marker { display: none; }
.brand-plan-number { color: var(--muted); font: 12px var(--f-mono); }
.brand-plan h3 { font-size: 20px; font-weight: 500; line-height: 1.5; }
.brand-plan-intro { font-size: 14px; font-weight: 400; color: var(--muted); line-height: 1.7; }
.brand-plan-toggle { font-size: 23px; font-weight: 300; transition: transform .2s; }
.brand-plan[open] .brand-plan-toggle { transform: rotate(45deg); }
.brand-plan-body { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 22px 38px; padding: 2px 0 24px 54px; }
.brand-plan-body h4 { font-size: 15px; font-weight: 500; margin-bottom: 8px; }
.brand-plan-body p { font-size: 14px; line-height: 1.9; color: var(--muted); }
.brand-plan-links { display: flex; flex-wrap: wrap; gap: 14px 28px; padding: 0 0 24px 54px; font-size: 13px; }
.brand-plan-links a { min-height: 40px; display: inline-flex; align-items: center; }
.brand-projects-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; }
.brand-project-card { min-width: 0; border-top: 1px solid var(--line); padding: 20px 0; }
.brand-project-card > div { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: baseline; justify-content: space-between; }
.brand-project-card h3 { font-size: 21px; font-weight: 500; }
.brand-project-card > div > span { color: var(--muted); font-size: 12px; }
.brand-project-example { display: block; font-size: 14px; line-height: 1.7; margin: 16px 0; }
.brand-project-card > .ulink { font-size: 13px; }
.active-brand { width: fit-content; margin: 12px 0 4px; padding: 7px 12px; border: 1px solid var(--line); border-radius: 24px; font-size: 13px; }
.case-brand-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 24px; }
.case-brand-links > span { color: var(--muted); font-size: 12px; margin-right: 6px; }
@media (max-width: 700px) {
  .brand-directory-intro { display: block; }
  .brand-directory-intro > a { display: inline-flex; margin-top: 18px; }
  .brand-sector-grid, .brand-strength-grid { grid-template-columns: 1fr; gap: 16px; }
  .brand-projects-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
  .brand-strength-grid article { padding: 22px 18px; }
  .brand-plan > summary { padding: 20px 0; }
  .brand-plan-summary { grid-template-columns: 24px minmax(0,1fr) 22px; gap: 8px 12px; }
  .brand-plan-intro { grid-column: 2; font-size: 13px; }
  .brand-plan-toggle { grid-column: 3; grid-row: 1 / 3; }
  .brand-plan h3 { font-size: 18px; }
  .brand-plan-body { grid-template-columns: 1fr; padding-left: 36px; gap: 18px; }
  .brand-plan-body p, .brand-plan-body h4 { font-size: 16px; }
  .brand-plan-links { padding-left: 36px; }
}
.license-full { display: grid; justify-items: start; }
.photo-caption { font-size: 14px; color: var(--muted); margin-top: 16px; }
@media (max-width: 900px), (hover: none) {
  .mouse-only { display: none; }
  .touch-only { display: inline; }
  .archive .ticks, .peek { display: none; }
  .archive .arow { grid-template-columns: 1fr auto; gap: 16px; padding: 24px 0; }
  .archive-touch { display: grid; grid-column: 1 / -1; gap: 12px; }
  .archive-touch > a { display: grid; grid-template-columns: 84px 1fr 20px; align-items: center; gap: 14px; min-height: 64px; }
  .archive-touch img { width: 84px; height: 64px; object-fit: cover; }
  .archive-touch small { display: block; color: var(--muted); font-size: 11px; margin-bottom: 4px; }
  .archive-touch b { font-weight: 500; font-size: 15px; line-height: 1.5; }
  .archive-touch > .archive-all { display: flex; justify-content: space-between; min-height: 44px; font-size: 13px; border-top: 1px solid var(--line); margin-top: 4px; }
  .brand-item { flex-basis: clamp(154px,28vw,208px); width: clamp(154px,28vw,208px); height: 108px; padding: 12px 6px; }
  .brand-item--logo { padding-block: 6px; gap: 3px; }
  .brand-item--logo img { height: 56px; }
}
@media (max-width: 480px) {
  .brand-item { flex-basis: clamp(136px,43vw,176px); width: clamp(136px,43vw,176px); }
}

/* ---------- 保障 ---------- */
.assure { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; align-items: start; }
.lic { display: grid; grid-template-columns: minmax(160px, 1fr) minmax(140px, .85fr); gap: 20px; align-items: center; min-width: 0; }
.lic .img { display: block; position: relative; background: var(--paper); aspect-ratio: 1404 / 992; padding: 10px; overflow: hidden; border: 1px solid var(--line); border-radius: 4px; }
.lic img { width: 100%; height: 100%; object-fit: contain; transition: transform .8s var(--ease); }
.lic:hover img { transform: scale(1.03) rotate(-1deg); }
.lic .img span { position: absolute; bottom: 9px; right: 9px; padding: 4px 8px; border-radius: 12px; background: rgba(243,242,236,.94); font-size: 11px; }
.lic h3 { font-size: 18px; font-weight: 600; }
.lic p { color: var(--muted); font-size: 14px; margin-top: 6px; }
.app-section { background: var(--paper-2); }
.app-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(24px,6vw,88px); }
.app-copy h2 { margin: 22px 0; }
.app-copy > p:not(.label) { color: var(--muted); line-height: 1.85; margin-bottom: 18px; max-width: 36em; }
.app-shots { display: flex; align-items: center; justify-content: center; gap: clamp(14px,2vw,28px); padding-block: 16px; min-width: 0; }
.app-shots figure { width: min(42%,180px); }
.app-shots img { display: block; width: 100%; height: auto; border-radius: 18px; box-shadow: 0 10px 32px rgba(30,44,20,.10); border: 1px solid var(--line); }
.app-shots figure:nth-child(2) { transform: translateY(16px); }
.app-shots figcaption { font-size: 12px; color: var(--muted); text-align: center; margin-top: 12px; }
.about-intro { padding-bottom: clamp(40px,5vw,80px); }
.about-intro .l > p:not(.lead) { font-size: 16px; line-height: 1.9; color: var(--muted); margin-top: 18px; max-width: 39em; }
.people-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px 36px; }
.people-grid article { border-top: 1px solid var(--line); padding-top: 22px; display: flex; flex-direction: column; align-items: start; }
.people-grid article > span { color: var(--muted); font-size: 12px; }
.people-grid h3 { font-size: 21px; line-height: 1.4; margin: 12px 0; }
.people-grid p { color: var(--muted); font-size: 15px; line-height: 1.9; margin-bottom: 18px; }
.people-grid a { margin-top: auto; font-size: 14px; }
.collaboration-section { background: var(--paper-2); }
.collaboration-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; }
.collaboration-layout h2 { margin: 24px 0; }
.collaboration-list { list-style: none; counter-reset: collaboration; }
.collaboration-list li { padding: 22px 0 22px 46px; border-top: 1px solid var(--line); position: relative; counter-increment: collaboration; }
.collaboration-list li::before { content: '0' counter(collaboration); position: absolute; left: 0; top: 24px; color: var(--muted); font: 12px var(--f-mono); }
.collaboration-list h3 { font-size: 20px; margin-bottom: 8px; }
.collaboration-list p { color: var(--muted); font-size: 15px; line-height: 1.9; }
@media (max-width: 1100px) { .lic { grid-template-columns: 1fr; gap: 14px; } }
@media (max-width: 760px) {
  .people-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
  .app-layout, .collaboration-layout { grid-template-columns: 1fr; gap: 28px; }
  .app-shots { justify-content: flex-start; padding: 0 0 16px; }
  .lic h3 { font-size: 16px; }
  .lic p { font-size: 13px; }
}
@media (max-width: 480px) { .people-grid { grid-template-columns: 1fr; } .assure { gap: 14px; } .lic .img { padding: 4px; } .lic .img span { font-size: 10px; right: 4px; bottom: 4px; } }

/* ---------- FAQ ---------- */
.faq { display: block; }
.faq .sec-side { margin-bottom: clamp(24px, 2.5vw, 36px); }
.faq .faq-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(24px, 4vw, 64px); align-items: start; }
.faq-column { min-width: 0; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 20px 0; font-size: clamp(18px, 1.55vw, 22px); font-weight: 600; letter-spacing: -.015em; line-height: 1.4; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .pm { flex: 0 0 auto; width: 36px; height: 36px; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--line); position: relative; transition: background .3s, transform .5s var(--ease); }
.faq summary .pm::before, .faq summary .pm::after { content: ""; position: absolute; left: 11px; right: 11px; top: 50%; height: 1.5px; background: currentColor; transform: translateY(-50%); }
.faq summary .pm::after { transform: translateY(-50%) rotate(90deg); transition: transform .5s var(--ease); }
.faq details[open] summary .pm { background: var(--lime); box-shadow: none; }
.faq details[open] summary .pm::after { transform: translateY(-50%) rotate(0); }
.faq summary:hover .pm { transform: rotate(-17deg); }
.faq .ans { overflow: hidden; }
.faq .ans p { padding: 0 40px 22px 0; color: var(--muted); }
.faq .ans a { color: var(--ink); }
@media (max-width: 760px) {
  .faq .faq-list { grid-template-columns: 1fr; }
  .faq-column + .faq-column { border-top: 0; }
  .faq .ans p { padding-right: 0; }
}

/* ---------- 联系大块 ---------- */
.cta { position: relative; overflow: hidden; }
.cta-big { display: block; font-size: clamp(56px, 11.5vw, 220px); line-height: .92; letter-spacing: -.055em; font-weight: 600; }
.cta-big .slash { color: var(--lime); font-weight: 200; display: inline-block; transition: transform .8s var(--ease); }
.cta-big:hover .slash { transform: rotate(17deg) scale(1.1); }
.cta-grid { margin-top: clamp(48px, 6vw, 96px); display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 1.6vw, 28px); row-gap: 24px; }
.cta-grid > div { grid-column: span 3; padding-top: 18px; border-top: 1px solid var(--line-d); }
.cta-grid .k { font: 500 12px var(--f-mono); color: var(--muted-d); letter-spacing: .08em; }
.cta-grid .v { display: block; margin-top: 6px; font-size: clamp(20px, 1.8vw, 28px); letter-spacing: -.02em; font-weight: 500; }
.cta-grid button.v { text-align: left; }
.cta-grid .v:hover { color: var(--lime); }
.cta-grid .btn-row { grid-column: span 3; border: 0; align-self: end; justify-content: flex-end; }
@media (max-width: 900px) { .cta-grid > div, .cta-grid .btn-row { grid-column: span 6; justify-content: flex-start; } }
@media (max-width: 560px) { .cta-grid > div, .cta-grid .btn-row { grid-column: 1 / -1; } }

/* ---------- 页脚 ---------- */
.foot { background: var(--ink); color: var(--muted-d); padding: 0 0 28px; font-size: 14px; }
.foot-top { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 1.6vw, 28px); row-gap: 32px; padding: 56px 0; border-top: 1px solid var(--line-d); }
.foot-top .about { grid-column: span 4; }
.foot-top .about .brand { color: var(--paper); margin-bottom: 14px; }
.foot-top nav { grid-column: span 2; display: grid; gap: 8px; align-content: start; }
.foot-top nav b { color: var(--paper); font-weight: 500; margin-bottom: 6px; }
.foot-top nav a:hover { color: var(--lime); }
.foot-bot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 24px; border-top: 1px solid var(--line-d); font: 500 12px var(--f-mono); letter-spacing: .04em; }
.foot-bot a:hover { color: var(--paper); }
.foot-word { font-size: clamp(48px, 13.6vw, 300px); font-weight: 600; letter-spacing: -.07em; line-height: .78; color: var(--paper); padding: clamp(24px, 4vw, 64px) 0 clamp(20px, 3vw, 48px); white-space: nowrap; overflow: hidden; }
.foot-word .slash { color: var(--lime); font-weight: 200; }
@media (max-width: 900px) {
  .foot-top .about { grid-column: 1 / -1; }
  .foot-top nav { grid-column: span 6; }
}

/* ---------- 吐司 ---------- */
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 120; transform: translate(-50%, calc(100% + 48px)); visibility: hidden; background: var(--lime); color: var(--ink); padding: 12px 20px; border-radius: 999px; font-size: 15px; font-weight: 500; transition: transform .5s var(--ease); pointer-events: none; }
.toast.on { transform: translate(-50%, 0); visibility: visible; }

/* ---------- 光标 ---------- */
.cursor { position: fixed; left: 0; top: 0; z-index: 150; pointer-events: none; width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%; background: var(--lime); mix-blend-mode: normal; transition: width .35s var(--ease), height .35s var(--ease), margin .35s var(--ease), opacity .3s, background .3s; display: grid; place-items: center; opacity: 0; }
.cursor.on { opacity: 1; }
.cursor.big { width: 88px; height: 88px; margin: -44px 0 0 -44px; }
.cursor span { font-size: 13px; font-weight: 600; color: var(--ink); opacity: 0; transition: opacity .2s; white-space: nowrap; }
.cursor.big span { opacity: 1; }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }

/* ---------- 内页页头 ---------- */
.phead { padding: calc(var(--head-h) + clamp(36px, 5vw, 72px)) 0 clamp(32px, 4vw, 60px); position: relative; }
.phead .label { margin-bottom: clamp(20px, 2.4vw, 36px); }
.phead h1 { max-width: 14em; }
.phead .lead { margin-top: clamp(24px, 3vw, 40px); max-width: 36em; color: var(--muted); }
.dark .phead .lead { color: var(--muted-d); }
.crumb { font: 500 12px var(--f-mono); letter-spacing: .06em; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.crumb a:hover { color: var(--ink); }
.crumb i { font-style: normal; color: var(--lime); }

/* ---------- 案例库 ---------- */
.lib-head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 1.6vw, 28px); align-items: end; }
.lib-head h1 { grid-column: 1 / span 8; }
.lib-head .big { grid-column: 9 / span 4; justify-self: end; text-align: right; }
.lib-head .big b { display: block; font-size: clamp(88px, 15vw, 280px); line-height: .8; letter-spacing: -.07em; font-weight: 500; font-feature-settings: "tnum" 1; }
.lib-head .big span { font: 500 12px var(--f-mono); letter-spacing: .08em; color: var(--muted); }
@media (max-width: 900px) {
  .lib-head h1, .lib-head .big { grid-column: 1 / -1; justify-self: start; text-align: left; }
  .lib-head .big { margin-top: 28px; }
}
.filters { position: sticky; top: 0; z-index: 40; background: rgba(243, 242, 236, .92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-block: 1px solid var(--line); transition: top .5s var(--ease); }
.head:not(.is-hidden) ~ main .filters { top: var(--head-h); }
.filters .wrap { display: grid; gap: 10px; padding-block: 14px; }
.f-top { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.search { flex: 1 1 260px; position: relative; }
.search input { width: 100%; height: 46px; border: 0; border-radius: 999px; background: var(--paper-2); padding: 0 18px 0 44px; font-size: 15px; outline: none; transition: box-shadow .3s; }
.search input:focus { box-shadow: inset 0 0 0 1.5px var(--ink); }
.search svg { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--muted); }
.f-meta { display: flex; align-items: center; gap: 14px; font: 500 12px var(--f-mono); letter-spacing: .06em; color: var(--muted); }
.f-meta b { color: var(--ink); font-weight: 500; }
.view-tg { display: inline-flex; padding: 3px; border-radius: 999px; background: var(--paper-2); }
.view-tg button { height: 34px; padding: 0 14px; border-radius: 999px; font-size: 13px; color: var(--muted); transition: background .3s, color .3s; }
.view-tg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.f-groups { display: flex; gap: 8px 22px; flex-wrap: wrap; align-items: center; }
.f-group { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.f-group > span { white-space: nowrap; font: 500 11px var(--f-mono); letter-spacing: .08em; color: var(--muted); margin-right: 6px; }
.fbtn { height: 32px; padding: 0 12px; border-radius: 999px; font-size: 13px; box-shadow: inset 0 0 0 1px var(--line); transition: background .25s, color .25s, box-shadow .25s; white-space: nowrap; }
.fbtn:hover { box-shadow: inset 0 0 0 1px var(--ink); }
.fbtn[aria-pressed="true"] { background: var(--ink); color: var(--paper); box-shadow: none; }
.fbtn sup { font: 500 10px var(--f-mono); margin-left: 3px; opacity: .6; vertical-align: top; position: relative; top: -1px; }
.f-more { display: none; }
@media (max-width: 900px) {
  .f-groups { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin: 0 calc(var(--gut) * -1); padding: 0 var(--gut); }
  .f-groups::-webkit-scrollbar { display: none; }
  .f-group { flex-wrap: nowrap; }
  .f-meta .hide-s { display: none; }
}
.f-reset { font: 500 12px var(--f-mono); letter-spacing: .06em; color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.f-reset[hidden] { display: none; }

.idx { border-top: 1px solid var(--line); }
.idx-row { position: relative; display: grid; grid-template-columns: 150px minmax(0, 1fr) 110px 150px minmax(0, .9fr) 28px; gap: 20px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); isolation: isolate; }
.idx-row::before { content: ""; position: absolute; inset: 0 calc(var(--gut) * -1); z-index: -1; background: var(--lime); clip-path: polygon(0 0, 0 0, -6% 100%, -6% 100%); transition: clip-path .55s var(--ease); }
.idx-row:hover::before, .idx-row:focus-visible::before { clip-path: polygon(0 0, 106% 0, 100% 100%, -6% 100%); }
.idx-row .dt { font: 500 13px var(--f-mono); color: var(--muted); letter-spacing: .02em; }
.idx-row .tt { font-size: clamp(17px, 1.4vw, 21px); font-weight: 600; letter-spacing: -.015em; line-height: 1.35; }
.idx-row .ty, .idx-row .ct { font-size: 14px; color: var(--muted); }
.idx-row .rl { font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.idx-row:hover .dt, .idx-row:hover .ty, .idx-row:hover .ct, .idx-row:hover .rl { color: var(--ink); }
.idx-row .ar { justify-self: end; transition: transform .45s var(--ease); }
.idx-row:hover .ar { transform: translateX(4px) rotate(-17deg); }
.idx-head { display: grid; grid-template-columns: 150px minmax(0, 1fr) 110px 150px minmax(0, .9fr) 28px; gap: 20px; padding: 12px 0; font: 500 11px var(--f-mono); letter-spacing: .08em; color: var(--muted); }
@media (max-width: 1000px) {
  .idx-head { display: none; }
  .idx-row { grid-template-columns: 64px minmax(0, 1fr) 20px; gap: 5px 12px; padding: 18px 0; }
  .idx-row .idx-thumb { display: block; grid-column: 1; grid-row: 1 / span 3; width: 64px; height: 64px; object-fit: cover; align-self: start; }
  .idx-row .dt { grid-column: 2; grid-row: 1; font-size: 11px; }
  .idx-row .tt { grid-column: 2; grid-row: 2; font-size: 17px; }
  .idx-row .ty { grid-column: 2; grid-row: 3; font-size: 12px; }
  .idx-row .ty::after { content: attr(data-city); margin-left: 10px; }
  .idx-row .ct { display: none; }
  .idx-row .rl { display: block; grid-column: 2 / -1; grid-row: 4; white-space: normal; font-size: 12px; line-height: 1.7; }
  .idx-row .ar { grid-column: 3; grid-row: 1 / span 3; }
}
.cgrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(28px, 3vw, 48px) clamp(12px, 1.6vw, 28px); }
.ccard { display: block; }
.ccard .img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--c, var(--paper-2)); position: relative; }
.ccard img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease), opacity .6s; }
.ccard img[data-src] { opacity: 0; }
.ccard:hover img { transform: scale(1.06); }
.ccard .img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(105deg, transparent 0 60%, rgba(143, 195, 31, .0) 60%); transition: background .5s; }
.ccard .meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 12px; font: 500 11px var(--f-mono); letter-spacing: .06em; color: var(--muted); }
.ccard h3 { margin-top: 6px; font-size: 17px; line-height: 1.4; font-weight: 600; letter-spacing: -.01em; }
.ccard:hover h3 { text-decoration: underline; text-decoration-color: var(--lime); text-decoration-thickness: 2px; text-underline-offset: 4px; }
@media (max-width: 1100px) { .cgrid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .cgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ccard h3 { font-size: 15px; } }
.empty { padding: 80px 0; text-align: center; color: var(--muted); }
.empty b { display: block; font-size: clamp(40px, 6vw, 96px); letter-spacing: -.05em; color: var(--ink); line-height: 1; margin-bottom: 16px; }
[hidden] { display: none !important; }

/* ---------- 案例详情 ---------- */
.case-hero { padding: calc(var(--head-h) + clamp(40px, 6vw, 96px)) 0 0; }
.case-hero h1 { font-size: clamp(36px, 5.4vw, 88px); line-height: 1.14; letter-spacing: -.035em; font-weight: 600; max-width: 16em; text-wrap: balance; }
.case-meta { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(12px, 1.6vw, 28px); margin-top: clamp(40px, 5vw, 72px); }
.case-meta > div { padding-top: 14px; border-top: 1px solid var(--line); }
.case-meta dt { font: 500 11px var(--f-mono); letter-spacing: .08em; color: var(--muted); margin-bottom: 6px; }
.case-meta dd { font-size: 17px; font-weight: 500; line-height: 1.5; }
.case-meta dd a:hover { color: var(--blue); }
@media (max-width: 760px) { .case-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 24px; } }
.case-cover { margin-top: clamp(40px, 5vw, 80px); position: relative; overflow: hidden; background: var(--c, var(--paper-2)); aspect-ratio: 16 / 8; }
.case-cover img { width: 100%; height: 100%; object-fit: cover; }
.case-cover .fig { position: absolute; left: 20px; bottom: 20px; max-width: calc(100% - 40px); background: rgba(243,242,236,.93); backdrop-filter: blur(14px); border: 1px solid rgba(255,255,255,.6); border-radius: 16px; padding: 14px 18px; display: flex; flex-wrap: wrap; gap: 16px 26px; }
.case-cover .fig div b { display: block; font-size: clamp(22px, 2vw, 30px); letter-spacing: -.025em; line-height: 1.3; font-weight: 500; }
.case-cover .fig div b small { font-size: .55em; letter-spacing: 0; margin-left: 4px; font-weight: 400; }
.case-cover .fig div span { font-size: 13px; color: var(--muted); }
@media (max-width: 760px) {
  .case-cover { aspect-ratio: 4 / 3; margin-left: calc(var(--gut) * -1); margin-right: calc(var(--gut) * -1); }
  .case-cover .fig { position: relative; left: 0; padding: 16px var(--gut) 0; }
}
.case-body { display: block; padding-block: clamp(32px, 3.8vw, 56px); }
.case-body .side { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; margin-bottom: 22px; }
.case-body .txt { min-width: 0; }
.case-body [data-reveal] { opacity: 1; transform: none; transition: none; }
.case-body .story p { font-size: 18px; line-height: 1.9; letter-spacing: 0; font-weight: 400; max-width: 40em; }
.case-body .story p:first-child { font-size: clamp(22px, 2.1vw, 30px); line-height: 1.65; letter-spacing: -.015em; font-weight: 500; }
.case-body .story p + p { margin-top: 1em; }
.case-body .roles { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.case-body .roles .label { margin-bottom: 14px; }
.case-body .note { margin-top: 28px; font-size: 13px; color: var(--muted); }
@media (max-width: 900px) {
  .case-body .side, .case-body .txt { grid-column: 1 / -1; }
  .case-body .side { margin-bottom: 24px; }
}
.case-sub { margin-top: 18px; max-width: 32em; }
.lsec { margin-top: clamp(28px, 2.6vw, 40px); padding-top: 20px; border-top: 1px solid var(--line); }
.lsec h2 { font-size: clamp(21px, 2vw, 26px); font-weight: 600; line-height: 1.4; letter-spacing: -.025em; color: var(--ink); margin-bottom: 22px; }
.lsec p { font-size: 17px; line-height: 1.85; color: var(--ink); max-width: 40em; }
.lsec p + p { margin-top: 1em; }
.litems { display: grid; gap: 0; }
.litems li { display: grid; grid-template-columns: minmax(120px, 11em) minmax(0, 1fr); gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; line-height: 1.7; }
.litems li:first-child { padding-top: 0; }
.litems b { font-weight: 600; }
.litems span { color: var(--muted); }
.litems li:not(:has(b)) { grid-template-columns: 1fr; }
.litems li:not(:has(b)) span { color: var(--ink); }
.lcards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px; background: var(--line); }
.lcards article { background: var(--paper); padding: 22px 22px 24px 0; }
.lcards article:nth-child(even) { padding-left: 22px; }
.lcards .n { font: 500 12px var(--f-mono); color: var(--lime); letter-spacing: .06em; }
.lcards h4 { font-size: 19px; font-weight: 600; margin: 6px 0 8px; letter-spacing: -.01em; }
.lcards p { font-size: 15px; color: var(--muted); line-height: 1.75; }
@media (max-width: 640px) {
  .litems li { grid-template-columns: 1fr; gap: 2px; }
  .lcards { grid-template-columns: 1fr; }
  .lcards article:nth-child(even) { padding-left: 0; }
}
.credit { font-size: 12px; color: var(--muted); margin-top: 10px; line-height: 1.6; }
.credit a { text-decoration: underline; text-underline-offset: 2px; }
.case-faq { display: block; }
.case-faq .faq-list { grid-column: auto; }
.case-faq summary { font-size: 17px; padding: 18px 0; }
.case-faq .ans p { padding-right: 0; }
.case-service { padding-block: clamp(32px, 3.4vw, 48px) 0; }
.case-service .reference-intro { display: none; }
.case-service .litems { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 28px; }
.case-service .litems li { display: block; padding: 16px 0; }
.case-service .litems li:first-child { padding-top: 16px; }
.case-service .litems b { display: block; margin-bottom: 8px; }
.case-service .lcards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.case-service .lcards article { padding: 18px; }
.case-service .lcards article:nth-child(3n+1) { padding-left: 0; }
.case-service .lsec:first-child { margin-top: 0; }
.case-roles { padding-block: clamp(32px, 3.4vw, 48px) 0; }
@media (max-width: 900px) {
  .case-service .litems, .case-service .lcards { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .case-service .lcards article { padding: 18px; }
  .case-service .lcards article:nth-child(3n+1) { padding-left: 18px; }
  .case-service .lcards article:nth-child(2n+1) { padding-left: 0; }
}
@media (max-width: 640px) {
  .case-service .litems, .case-service .lcards { grid-template-columns: 1fr; }
  .case-service .lcards article, .case-service .lcards article:nth-child(3n+1) { padding: 16px 0; }
}
.rgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 18px 14px; }
.rcard { display: grid; gap: 6px; align-content: start; }
.rcard .img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--c); }
.rcard img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.rcard:hover img { transform: scale(1.06); }
.rcard .ph { display: grid; place-items: center; width: 100%; height: 100%; font-size: 18px; font-weight: 600; color: var(--muted); background: var(--paper-2); }
.rcard b { font-size: 16px; font-weight: 600; margin-top: 4px; }
.rcard span { font-size: 13px; color: var(--muted); line-height: 1.5; }
.gallery { columns: 3; column-gap: clamp(10px, 1.2vw, 20px); }
.gallery button { display: block; width: 100%; margin-bottom: clamp(10px, 1.2vw, 20px); break-inside: avoid; overflow: hidden; background: var(--c, var(--paper-2)); position: relative; cursor: zoom-in; }
.gallery img { width: 100%; height: auto; transition: transform 1s var(--ease); }
.gallery img[style*="max-height"] { object-fit: contain; }
.gallery button:hover img { transform: scale(1.04); }
.gallery button::after { content: attr(data-n); position: absolute; left: 10px; top: 10px; font: 500 11px var(--f-mono); color: var(--paper); background: rgba(13, 14, 11, .6); padding: 4px 7px; opacity: 0; transition: opacity .3s; }
.gallery button:hover::after { opacity: 1; }
.gallery button:focus-visible::after { opacity: 1; }
@media (max-width: 900px), (hover: none) {
  .gallery button::after { content: attr(data-n) " · 查看大图"; opacity: 1; }
  .mosaic a img { filter: none; }
}
@media (max-width: 900px) { .gallery { columns: 2; } }
.lb { position: fixed; inset: 0; z-index: 130; background: rgba(13, 14, 11, .96); display: grid; grid-template-rows: auto 1fr auto; color: var(--paper); opacity: 0; visibility: hidden; transition: opacity .4s, visibility 0s .4s; }
.lb.on { opacity: 1; visibility: visible; transition: opacity .4s; }
.lb-top, .lb-bot { display: flex; justify-content: space-between; align-items: center; padding: 16px var(--gut); font: 500 12px var(--f-mono); letter-spacing: .06em; }
.lb-stage { position: relative; display: grid; place-items: center; padding: 0 var(--gut); min-height: 0; touch-action: pan-y; }
.lb-stage img { max-width: 100%; max-height: 100%; object-fit: contain; transition: opacity .3s, transform .5s var(--ease); }
.lb button { width: 48px; height: 48px; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--line-d); display: grid; place-items: center; color: var(--paper); transition: background .3s, color .3s; }
.lb button:hover { background: var(--lime); color: var(--ink); box-shadow: none; }
.lb-nav { display: flex; gap: 8px; }

.more { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 32px); }
@media (max-width: 900px) { .more { grid-template-columns: 1fr; } .more .ccard:nth-child(n+3) { display: none; } }
.pn { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-d); }
.pn a { padding: clamp(32px, 4vw, 64px) 0; display: grid; gap: 10px; transition: color .3s; }
.pn a + a { text-align: right; border-left: 1px solid var(--line-d); padding-left: clamp(16px, 2vw, 32px); }
.pn a:first-child { padding-right: clamp(16px, 2vw, 32px); }
.pn b { font-size: clamp(20px, 2.6vw, 44px); letter-spacing: -.035em; font-weight: 600; line-height: 1.15; }
.pn a:hover b { color: var(--lime); }
@media (max-width: 640px) { .pn { grid-template-columns: 1fr; } .pn a + a { border-left: 0; border-top: 1px solid var(--line-d); text-align: left; padding-left: 0; } }

/* ---------- 服务页 ---------- */
.svc-block { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(20px, 3vw, 44px); row-gap: 26px; padding: clamp(36px, 4vw, 60px) 0; border-top: 1px solid var(--line); }
.svc-block .no { display: block; margin-bottom: 18px; font: 500 12px var(--f-mono); color: var(--muted); letter-spacing: .08em; }
.svc-block .main { grid-column: 1 / span 6; }
.svc-block .main h2 { font-size: clamp(32px, 3.5vw, 54px); letter-spacing: -.035em; line-height: 1.16; font-weight: 600; }
.svc-block .main p { margin-top: 18px; color: var(--muted); max-width: 34em; }
.svc-block .main .chips { margin-top: 20px; }
.svc-block .side { grid-column: 7 / span 6; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; align-content: start; }
.svc-block .side .ccard .img { aspect-ratio: 16 / 10; }
.service-details { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 20px 44px; padding-top: 24px; border-top: 1px solid var(--line); }
.service-details dt { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.service-details dd { font-size: 15px; line-height: 1.85; color: var(--muted); max-width: 42em; }
.service-consult { grid-column: 1 / -1; justify-self: start; min-height: 44px; }
.service-shortcuts { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 28px; }
.service-shortcut { display: inline-flex; gap: 12px; align-items: center; min-height: 44px; font-size: 14px; border-bottom: 1px solid var(--line); }
.service-shortcut small { color: var(--muted); font: 11px var(--f-mono); }
.service-shortcut:hover, .service-shortcut:focus-visible { border-color: var(--ink); }
.role-jumps { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; }
.role-jumps a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 15px; border: 1px solid var(--line); border-radius: 24px; font-size: 14px; background: var(--paper); transition: background .2s, border-color .2s; }
.role-jumps a:hover, .role-jumps a:focus-visible { background: var(--lime); border-color: var(--lime); }
.role-catalog { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; align-items: start; }
.role-profile { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); column-gap: 22px; padding: 22px; background: var(--paper); border-top: 2px solid var(--ink); scroll-margin-top: calc(var(--head-h) + 20px); }
.role-profile figure { min-width: 0; }
.role-profile img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: contain; background: var(--paper-2); }
.role-profile figcaption { font-size: 12px; line-height: 1.55; color: var(--muted); margin-top: 8px; }
.role-profile#role-magician img { aspect-ratio: 3 / 2; object-position: center 66.67%; }
.role-profile#role-cleaning img { aspect-ratio: 3 / 2; object-fit: cover; object-position: center top; }
.rcard .img.role-crop--cleaning { aspect-ratio: 3 / 2; }
.rcard .role-crop--cleaning img { object-position: center top; }
.role-profile-copy { min-width: 0; }
.role-rate { font-size: 12px; color: var(--muted); line-height: 1.6; margin-bottom: 7px; }
.role-profile h3 { font-size: clamp(24px,2vw,32px); font-weight: 600; letter-spacing: -.025em; line-height: 1.25; }
.role-intro { font-size: 15px; line-height: 1.8; color: var(--muted); margin-top: 12px; }
.role-profile details { grid-column: 1 / -1; margin-top: 20px; border-top: 1px solid var(--line); }
.role-profile summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 48px; padding: 10px 0; cursor: pointer; list-style: none; font-size: 14px; font-weight: 600; }
.role-profile summary::-webkit-details-marker { display: none; }
.role-profile summary span { font-size: 21px; font-weight: 400; transition: transform .2s; }
.role-profile details[open] summary span { transform: rotate(45deg); }
.role-profile dl { display: grid; gap: 16px; padding: 4px 0 20px; }
.role-profile dt { font-size: 14px; font-weight: 600; margin-bottom: 5px; }
.role-profile dd { font-size: 15px; color: var(--muted); line-height: 1.8; }
.role-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0 12px; border-top: 1px solid var(--line); }
.role-actions a { display: inline-flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 44px; font-size: 14px; }
.role-actions a:hover, .role-actions a:focus-visible { text-decoration: underline; text-underline-offset: 5px; }
.price-role-link { display: inline-grid; gap: 3px; padding-block: 5px; }
.price-role-link span { font-size: 12px; color: var(--muted); font-weight: 400; }
.price-role-link:hover span, .price-role-link:focus-visible span { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 1100px) {
  .role-profile { grid-template-columns: minmax(0,.75fr) minmax(0,1.25fr); gap: 0 16px; padding: 18px; }
}
@media (max-width: 800px) {
  .role-catalog { grid-template-columns: 1fr; }
  .role-profile { grid-template-columns: minmax(0,.7fr) minmax(0,1.3fr); padding: 18px; }
}
@media (max-width: 480px) {
  .role-profile { grid-template-columns: minmax(0,1fr); padding: 16px; }
  .role-profile figure { margin-bottom: 16px; }
  .role-profile img { aspect-ratio: 16 / 9; }
  .role-intro { font-size: 16px; }
  .role-profile h3 { font-size: 27px; }
  .role-profile figcaption { font-size: 12px; }
  .role-jumps { gap: 7px; }
  .role-jumps a { font-size: 13px; padding-inline: 12px; }
}
@media (max-width: 900px) {
  .svc-block .main, .svc-block .side { grid-column: 1 / -1; }
  .service-details { grid-template-columns: 1fr; gap: 22px; }
  .svc-block .side { gap: 12px; }
  .svc-block .side .ccard h3 { font-size: 15px; line-height: 1.5; }
  .svc-block .side .ccard .meta { flex-direction: column; gap: 3px; font-size: 12px; letter-spacing: 0; line-height: 1.5; }
  .service-shortcuts { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; }
  .service-shortcut { justify-content: space-between; gap: 6px; font-size: 13px; }
}

.ptable { width: 100%; border-collapse: collapse; }
.ptable th, .ptable td { text-align: left; padding: 16px 12px 16px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.ptable th { font: 500 11px var(--f-mono); letter-spacing: .08em; color: var(--muted); font-weight: 500; }
.ptable td:first-child { font-weight: 600; font-size: 18px; }
.ptable td.p { font-size: 22px; font-weight: 500; letter-spacing: -.02em; white-space: nowrap; font-feature-settings: "tnum" 1; }
.ptable td.u { color: var(--muted); white-space: nowrap; font-size: 14px; }
.ptable td.n { color: var(--muted); font-size: 14px; }
.ptable tr { transition: background .3s; }
.ptable tbody tr:hover { background: var(--paper-2); }
@media (max-width: 760px) {
  .ptable thead { display: none; }
  .ptable tr { display: grid; grid-template-columns: 1fr auto; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .ptable td { border: 0; padding: 0; }
  .ptable td.u { grid-column: 2; text-align: right; }
  .ptable td.n { grid-column: 1 / -1; margin-top: 4px; }
}

/* ---------- 预算计算器 / 需求简报 ---------- */
.calc { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 1.6vw, 28px); row-gap: 32px; align-items: start; }
.calc-form { grid-column: 1 / span 7; display: grid; gap: 28px; }
.calc-out { grid-column: 9 / span 4; position: sticky; top: calc(var(--head-h) + 24px); background: var(--ink); color: var(--paper); padding: clamp(24px, 2.4vw, 36px); display: grid; gap: 18px; }
@media (max-width: 1000px) { .calc-form, .calc-out { grid-column: 1 / -1; } .calc-out { position: relative; top: 0; } }
.fld { display: grid; gap: 8px; }
.fld > span, .fld legend { font: 500 13px var(--f-sans); letter-spacing: .02em; color: var(--muted); padding: 0; }
.fld[hidden] { display: none; }
.field-help { font-size: 13px; color: var(--muted); line-height: 1.7; margin-top: -14px; }
.estimate-status { color: var(--lime-hi); font-size: 14px; line-height: 1.75; border-left: 2px solid var(--lime); padding-left: 12px; }
.fld input, .fld select, .fld textarea { width: 100%; height: 52px; border: 0; border-bottom: 1px solid var(--line); background: transparent; font-size: 18px; padding: 0; border-radius: 0; outline: none; transition: border-color .3s; -webkit-appearance: none; appearance: none; }
.fld select { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%230d0e0b' stroke-width='1.5'%3E%3Cpath d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 4px center; padding-right: 24px; }
.fld textarea { height: 120px; padding-top: 12px; resize: vertical; line-height: 1.6; }
.fld input:focus, .fld select:focus, .fld textarea:focus { border-bottom-color: var(--ink); }
.fld-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 640px) { .fld-row { grid-template-columns: 1fr 1fr; } }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.pills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.pills label { position: relative; }
.pills input { position: absolute; opacity: 0; pointer-events: none; }
.pills span { display: inline-flex; align-items: center; height: 38px; padding: 0 16px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--line); font-size: 15px; cursor: pointer; transition: background .25s, color .25s, box-shadow .25s; }
.pills label:hover span { box-shadow: inset 0 0 0 1px var(--ink); }
.pills input:checked + span { background: var(--ink); color: var(--paper); box-shadow: none; }
.pills input:focus-visible + span { outline: 2px solid var(--blue); outline-offset: 2px; }
.lines { display: grid; gap: 10px; }
.line-item { display: grid; grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr)) 44px; gap: 12px; align-items: end; padding: 14px 0; border-bottom: 1px solid var(--line); }
.line-item .fld input, .line-item .fld select { height: 44px; font-size: 16px; }
.line-item .x { width: 40px; height: 40px; border-radius: 50%; box-shadow: inset 0 0 0 1px var(--line); display: grid; place-items: center; font-size: 18px; transition: background .3s, transform .5s var(--ease); }
.line-item .x:hover { background: var(--ink); color: var(--paper); transform: rotate(90deg); }
@media (max-width: 560px) { .line-item { grid-template-columns: 1fr 1fr 40px; } .line-item .fld:first-child { grid-column: 1 / -1; } }
.add-line { justify-self: start; display: inline-flex; gap: 8px; align-items: center; height: 40px; padding: 0 16px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--line); font-size: 14px; transition: background .3s, color .3s; }
.add-line:hover { background: var(--lime); box-shadow: none; }
.calc-out .total { font-size: clamp(44px, 4.6vw, 80px); letter-spacing: -.05em; line-height: 1; font-weight: 500; font-feature-settings: "tnum" 1; }
.calc-out .total small { font-size: .36em; color: var(--muted-d); margin-right: 4px; letter-spacing: 0; }
.calc-out ul { display: grid; gap: 6px; font-size: 14px; color: var(--muted-d); border-top: 1px solid var(--line-d); padding-top: 14px; }
.calc-out ul li { display: flex; justify-content: space-between; gap: 12px; }
.calc-out ul li b { color: var(--paper); font-weight: 500; font-feature-settings: "tnum" 1; }
.calc-out .note { font-size: 13px; color: var(--muted-d); line-height: 1.6; }
.calc-mini { display: none; }
@media (max-width: 1000px) {
  .calc-mini { position: sticky; bottom: 12px; z-index: 30; display: flex; align-items: center; gap: 12px; justify-content: space-between; background: var(--ink); color: var(--paper); border-radius: 999px; padding: 8px 8px 8px 20px; box-shadow: 0 12px 40px rgba(13, 14, 11, .25); margin-top: 8px; }
  .calc-mini span { font: 500 11px var(--f-mono); letter-spacing: .08em; color: var(--muted-d); }
  .calc-mini b { font-size: 22px; font-weight: 500; letter-spacing: -.03em; margin-right: auto; font-feature-settings: "tnum" 1; }
  .calc-mini a { height: 40px; display: inline-flex; align-items: center; padding: 0 16px; border-radius: 999px; background: var(--lime); color: var(--ink); font-size: 14px; font-weight: 500; }
  .calc-mini { border-radius: 18px; flex-wrap: wrap; padding: 10px 12px; }
  .calc-mini b { flex: 1 1 150px; font-size: 18px; }
  .calc-mini a { height: 44px; }
}
.view-tg button, .pills span, .add-line { min-height: 44px; }
.line-item .x { width: 44px; height: 44px; }
.cta-grid button.v { min-height: 44px; }
@media (max-width: 560px) { .line-item { grid-template-columns: 1fr 1fr 44px; } }
.calc-out pre { margin: 0; white-space: pre-wrap; font: 400 14px/1.7 var(--f-sans); color: var(--paper); background: var(--ink-2); padding: 16px; max-height: 320px; overflow: auto; }

/* ---------- 关于页 ---------- */
.about-split { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(12px, 1.6vw, 28px); row-gap: 40px; }
.about-split .l { grid-column: 1 / span 5; }
.about-split .r { grid-column: 7 / span 6; }
@media (max-width: 900px) { .about-split .l, .about-split .r { grid-column: 1 / -1; } }
.mosaic { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); grid-auto-rows: clamp(80px, 9vw, 150px); gap: 6px; }
.mosaic a { overflow: hidden; background: var(--c, var(--paper-2)); position: relative; }
.mosaic a:nth-child(1) { grid-column: span 3; grid-row: span 2; }
.mosaic a:nth-child(4) { grid-column: span 2; grid-row: span 2; }
.mosaic a:nth-child(7) { grid-column: span 2; }
.mosaic img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease), filter .5s; filter: grayscale(.25); }
.mosaic a:hover img { transform: scale(1.06); filter: none; }

/* Editorial refinements: readable records, explicit references, usable controls. */
.case-cover--graphic { aspect-ratio: 16 / 6; background: var(--paper-2); }
.case-cover--graphic img { object-fit: contain; }
.case-cover--portrait img { object-position: center top; }
.case-cover { aspect-ratio: auto; }
.case-cover img { display: block; height: auto; max-height: 82vh; object-fit: contain; }
.case-cover .fig { position: static; margin: 14px; max-width: none; }
.case-cover--small { max-width: var(--source-width); margin-inline: auto; }
.cover-note { text-align: right; font-size: 12px; color: var(--muted); margin-top: 10px; }
.context-note { font-size: 14px; color: var(--muted); line-height: 1.8; margin-top: 24px; max-width: 45em; }
.case-service { border-block: 1px solid var(--line); margin-top: 72px; }
.reference-intro { color: var(--muted); font: 500 12px/1.5 var(--f-mono); letter-spacing: .12em; margin-bottom: 16px; }
.reference-title { font-size: clamp(28px, 3vw, 44px); font-weight: 600; letter-spacing: -.035em; }
.case-jump { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 0; }
.case-jump a { font-size: 14px; color: var(--muted); padding: 7px 0; width: fit-content; border-bottom: 1px solid transparent; }
.case-jump a:hover { color: var(--ink); border-color: var(--ink); }
#record, #photos, #staffing-reference { scroll-margin-top: 8px; }
#filter-options summary { list-style: none; display: flex; gap: 14px; align-items: center; min-height: 44px; cursor: pointer; font-size: 14px; font-weight: 600; }
#filter-options summary::-webkit-details-marker { display: none; }
#filter-options summary > span:first-child { color: var(--muted); font-size: 12px; font-weight: 400; flex: 1; }
#filter-options summary > span:last-child { font-size: 23px; transition: transform .2s; }
#filter-options[open] summary > span:last-child { transform: rotate(45deg); }
.filter-panel { max-height: min(52vh, 480px); overflow-y: auto; overscroll-behavior: contain; padding: 12px 8px 8px 0; border-top: 1px solid var(--line); }
.filter-panel .f-groups { display: grid; gap: 14px; overflow: visible; margin: 0; padding: 0; }
.filter-panel .f-groups + .f-groups { margin-top: 14px; }
.filter-panel .f-group { display: flex; flex-wrap: wrap; gap: 5px; }
.filter-panel .f-group > span { width: 100%; margin: 0 0 3px; }
.fbtn { min-height: 40px; padding-inline: 12px; }
.filter-note { font-size: 12px; color: var(--muted); margin-top: 20px; }
.gallery button:focus-visible { outline-offset: 5px; }
.gallery button:focus-visible::after { opacity: 1; }
.idx-row .rl { font-size: 12px; line-height: 1.65; }
@media (max-width: 900px) {
  .cursor { display: none !important; }
  .phead--archive { padding-top: calc(var(--head-h) + 32px); padding-bottom: 32px; }
  .phead--archive .lib-head { gap: 20px; }
  .phead--archive .big { display: flex; align-items: center; gap: 18px; }
  .phead--archive .big .num { font-size: 64px; }
  .phead--archive .big > span { font-size: 11px; line-height: 1.8; max-width: 21em; }
  .phead--archive .lead { font-size: 16px; margin-top: 24px; }
  .case-jump { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 12px; }
  .case-body { padding-block: 32px; }
  .case-body .story p { font-size: 16px; line-height: 1.85; }
  .case-body .story p:first-child { font-size: 23px; }
  .case-cover { aspect-ratio: auto; overflow: visible; }
  .case-cover img { display: block; height: auto; aspect-ratio: auto; object-fit: contain; }
  .case-cover--graphic img { aspect-ratio: 16 / 10; object-fit: contain; }
  .case-cover--portrait img { aspect-ratio: auto; }
  .case-cover .fig { position: static; max-width: none; margin: 12px var(--gut); padding: 12px 16px; flex-wrap: wrap; gap: 12px 20px; }
  .case-cover .fig > div { min-width: 110px; }
  .case-cover .fig div b { font-size: 25px; }
  .case-service { margin-top: 48px; }
  .fbtn { min-height: 44px; }
  .filter-panel { max-height: 46vh; }
  .lsec { margin-top: 28px; }
  .lsec p { font-size: 16px; }
  .menu { overflow-y: auto; }
}
@media (max-width: 420px) {
  #filter-options summary { gap: 8px; }
  #filter-options summary > span:first-child { font-size: 11px; }
  .f-meta { gap: 10px; flex-wrap: wrap; }
}

/* Existing procurement guides retain their URLs and substantive content. */
.legacy-content { padding: calc(var(--head-h) + 64px) 0 80px; }
.legacy-content > .wrap { max-width: 1120px; }
.legacy-content .sec-head { display: block; margin-bottom: 48px; }
.legacy-content h1 { font-size: clamp(32px, 4.6vw, 64px); line-height: 1.25; letter-spacing: -.04em; text-wrap: balance; }
.legacy-content h2 { font-size: clamp(23px, 2.4vw, 32px); margin: 40px 0 20px; }
.legacy-content h3 { font-size: 21px; margin: 24px 0 12px; }
.legacy-content p, .legacy-content li { max-width: 48em; line-height: 1.9; }
.legacy-content p + p { margin-top: 16px; }
.legacy-content ul { padding-left: 1.3em; list-style: disc; }
.legacy-content li { margin-block: 8px; }
.legacy-content .sec-sub { color: var(--muted); font-size: 20px; margin-top: 24px; }
.legacy-content .sec-kicker { font-size: 12px; letter-spacing: .1em; color: var(--muted); margin-bottom: 20px; }
.legacy-content a:not(.btn) { text-decoration: underline; text-underline-offset: 4px; }
.legacy-content img { max-width: 100%; height: auto; margin-block: 20px; }
.legacy-content .grid, .legacy-content .cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr))); gap: 28px; }
.legacy-content .card { border-top: 1px solid var(--line); padding-top: 24px; }
.legacy-content table { border-collapse: collapse; width: 100%; font-size: 14px; }
.legacy-content th, .legacy-content td { text-align: left; border-bottom: 1px solid var(--line); padding: 12px; }
@media (max-width: 700px) {
  .legacy-content table { display: block; overflow-x: auto; }
  .legacy-content th, .legacy-content td { min-width: 100px; }
}

/* 跨页面斜切转场（支持 View Transitions 的浏览器才生效，不延迟跳转） */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vt-out .5s var(--ease-io) both; }
::view-transition-new(root) { animation: vt-in .7s var(--ease-io) both; }
@keyframes vt-out { to { opacity: .4; transform: translateY(-3%); } }
@keyframes vt-in { from { clip-path: polygon(0 125%, 100% 100%, 100% 100%, 0 125%); } to { clip-path: polygon(0 0, 100% -25%, 100% 100%, 0 100%); } }

@media (prefers-reduced-motion: reduce) {
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; transition-delay: 0s !important; scroll-behavior: auto !important; }
  .js [data-reveal], .js [data-wipe] { opacity: 1; transform: none; clip-path: none; }
  .js .reveal-line > span { transform: none; }
  .manifesto .ch { opacity: 1; }
  .js .archive .tick { height: 56%; }
}
@media print {
  .head, .menu, .cursor, .progress, .toast, .filters { display: none !important; }
  .dark { background: #fff; color: #000; }
}