/* YZ Intelligence 本地商家代运营（local.wangyinzu.com）— 站点样式
   视觉：暖色科技风。深暖黑底，琥珀金 → 珊瑚红 → 玫红 → 紫 → 玉绿，对应五环；
   玉绿只表示“现在可开始”，琥珀空心表示“筹备中”。系统字体，零下载。 */
@property --spin { syntax: "<angle>"; inherits: false; initial-value: 0deg; }

:root {
  --bg: #0a0706;
  --bg-2: #120d0b;
  --panel: rgba(30, 20, 16, 0.62);
  --panel-2: rgba(40, 27, 21, 0.8);
  --line: rgba(255, 190, 140, 0.12);
  --line-2: rgba(255, 190, 140, 0.25);
  --text: #f8f0e9;
  --fog: #c6b6a9;
  --dim: #a08d80; /* 灰色小字：深色底和最亮的卡片底上对比度都 ≥ 4.5（WCAG AA） */
  --amber: #ffb547;
  --coral: #ff6b4a;
  --rose: #ff5f6d;
  --violet: #c86bff;
  --jade: #3ddc97;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", "Noto Sans CJK SC", "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  --r-xl: 26px; --r-l: 20px; --r-m: 14px;
  --w: 1220px; --w-narrow: 860px;
  --gutter: clamp(16px, 4vw, 40px);
  --band-y: clamp(84px, 11vw, 150px);
  --nav-h: 68px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 14px); background: var(--bg); }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 17px; line-height: 1.75; letter-spacing: 0.01em; -webkit-font-smoothing: antialiased; overflow-x: clip; }
img, svg { display: block; max-width: 100%; }
a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.22; }
p, ul, ol, dl, figure, fieldset { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button, input, textarea { font: inherit; color: inherit; }
::selection { background: rgba(255, 181, 71, 0.4); color: #fff; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 8px; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 12px; top: -48px; z-index: 100; padding: 8px 14px; background: var(--text); color: var(--bg); border-radius: 8px; font-size: 14px; }
.skip:focus { top: 10px; }
.wrap { width: 100%; max-width: calc(var(--w) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.wrap--narrow { max-width: calc(var(--w-narrow) + var(--gutter) * 2); }
main, .footer { position: relative; z-index: 2; }
.ico { width: 18px; height: 18px; flex: none; }
.ico--check { color: var(--jade); margin-top: 4px; }

/* ---------- 背景 ---------- */
.atmos { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.atmos__mesh { position: absolute; inset: -20%; background: radial-gradient(40% 35% at 75% 18%, rgba(255, 140, 70, 0.16), transparent 70%), radial-gradient(35% 30% at 15% 40%, rgba(200, 107, 255, 0.09), transparent 70%), radial-gradient(40% 30% at 60% 85%, rgba(61, 220, 151, 0.07), transparent 70%); animation: mesh 26s ease-in-out infinite alternate; }
@keyframes mesh { to { transform: translate3d(-4%, 3%, 0) rotate(6deg) scale(1.08); } }
.atmos__grid { position: absolute; inset: 0; background-image: radial-gradient(rgba(255, 190, 140, 0.13) 1px, transparent 1.5px); background-size: 26px 26px; -webkit-mask-image: radial-gradient(80% 60% at 50% 15%, #000 15%, transparent 70%); mask-image: radial-gradient(80% 60% at 50% 15%, #000 15%, transparent 70%); }
/* 颗粒层：只铺满视口、不用混合模式（以前是 4 倍视口 + overlay 混合，每次合成都很贵） */
.atmos__grain { position: absolute; inset: 0; opacity: .035; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* ---------- 按钮 ---------- */
.btn { position: relative; isolation: isolate; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 24px; border: 1px solid transparent; border-radius: 999px; font-size: 16.5px; font-weight: 700; line-height: 1; cursor: pointer; text-decoration: none; white-space: nowrap; overflow: hidden; transition: box-shadow .25s, border-color .2s, background-color .2s, color .2s, transform .12s; }
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }
.btn .ico { transition: transform .3s var(--ease); }
.btn:hover .ico { transform: translateX(3px); }
.btn--primary { color: #1a0d05; background: linear-gradient(135deg, #ffc66b, #ff8a4c 55%, #ff6b4a); box-shadow: 0 10px 34px rgba(255, 122, 70, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.5); }
.btn--primary::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.55) 50%, transparent 70%); transform: translateX(-120%); transition: transform .8s var(--ease); }
.btn--primary:hover { box-shadow: 0 16px 48px rgba(255, 122, 70, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.55); }
.btn--primary:hover::after { transform: translateX(120%); }
.btn--ghost { border-color: var(--line-2); color: var(--text); background: rgba(20, 13, 10, 0.55); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.btn--ghost:hover { border-color: var(--amber); }
.btn--outline { border-color: rgba(255, 181, 71, 0.55); color: var(--amber); background: rgba(255, 181, 71, 0.05); }
.btn--outline:hover { background: rgba(255, 181, 71, 0.16); color: #fff; }
.btn--small { min-height: 44px; padding: 0 18px; font-size: 14.5px; }
.btn--large { min-height: 56px; padding: 0 28px; font-size: 17.5px; }
.btn--block { display: flex; width: 100%; }
.link { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font-weight: 600; color: var(--amber); }
.link--back { color: var(--fog); font-weight: 500; font-size: 15px; }

/* ---------- 导航 ---------- */
.nav { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid transparent; transition: background-color .3s, border-color .3s; }
.nav.is-scrolled, .nav.is-open { background: rgba(10, 7, 6, 0.78); backdrop-filter: saturate(150%) blur(18px); -webkit-backdrop-filter: saturate(150%) blur(18px); border-bottom-color: var(--line); }
.nav__bar { display: flex; align-items: center; gap: 22px; max-width: calc(var(--w) + var(--gutter) * 2); height: var(--nav-h); margin: 0 auto; padding: 0 var(--gutter); }
.nav__brand { display: inline-flex; align-items: center; gap: 11px; min-height: 44px; margin-right: auto; color: var(--text); }
.nav__brand:hover { text-decoration: none; }
.nav__brand span { display: flex; flex-direction: column; line-height: 1.2; }
.nav__brand b { font-size: 15.5px; letter-spacing: .02em; }
.nav__brand small { font-size: 12px; color: var(--dim); letter-spacing: .08em; }
.mark { width: 34px; height: 34px; flex: none; filter: drop-shadow(0 0 10px rgba(255, 150, 80, 0.35)); }
.nav__links { display: flex; gap: 2px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: rgba(20, 13, 10, 0.55); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.nav__links a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 15px; border-radius: 999px; color: var(--fog); font-size: 14.5px; transition: color .2s, background-color .2s; }
.nav__links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); text-decoration: none; }
.nav__toggle { display: none; width: 44px; height: 44px; margin-right: -8px; padding: 0; border: 0; background: none; cursor: pointer; }
.nav__toggle-icon { position: relative; display: block; width: 18px; height: 12px; margin: auto; }
.nav__toggle-icon i { position: absolute; left: 0; right: 0; height: 1.6px; border-radius: 2px; background: var(--text); transition: transform .3s var(--ease), top .3s var(--ease); }
.nav__toggle-icon i:first-child { top: 2px; }
.nav__toggle-icon i:last-child { top: 9px; }
.nav.is-open .nav__toggle-icon i:first-child { top: 5.5px; transform: rotate(45deg); }
.nav.is-open .nav__toggle-icon i:last-child { top: 5.5px; transform: rotate(-45deg); }
.nav__rail { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; overflow: hidden; }
.nav__rail span { display: block; height: 100%; background: linear-gradient(90deg, var(--amber), var(--coral), var(--rose), var(--violet), var(--jade)); transform-origin: left; transform: scaleX(0); }

/* ---------- 标题 ---------- */
.band { position: relative; padding: var(--band-y) 0; }
.band--tight { padding-top: 30px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 18px; font-size: 13px; font-weight: 600; letter-spacing: .18em; color: var(--amber); }
.eyebrow i { width: 24px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--amber), var(--coral)); }
.shead { max-width: 880px; margin: 0 auto 56px; text-align: center; }
.shead .eyebrow { justify-content: center; }
.shead__title { font-size: clamp(32px, 4.8vw, 58px); line-height: 1.18; word-break: keep-all; overflow-wrap: anywhere; text-wrap: balance; background: linear-gradient(180deg, #fff 30%, #f5c9a2); -webkit-background-clip: text; background-clip: text; color: transparent; }
.shead__lede { margin-top: 20px; color: var(--fog); font-size: 18px; text-wrap: pretty; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(30px, 5vw, 60px) 0 clamp(60px, 8vw, 100px); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: 36px; align-items: center; min-height: min(calc(100svh - var(--nav-h) - 40px), 860px); }
.hero__title { font-size: clamp(38px, 4.5vw, 66px); line-height: 1.14; word-break: keep-all; overflow-wrap: anywhere; line-break: strict; background: linear-gradient(180deg, #fffaf5 35%, #ffc58f); -webkit-background-clip: text; background-clip: text; color: transparent; filter: drop-shadow(0 0 32px rgba(255, 140, 70, 0.22)); }
.hero__lede { margin-top: 22px; max-width: 32em; color: var(--fog); font-size: 18.5px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 30px; }
.facts li { display: inline-flex; align-items: center; gap: 8px; color: var(--fog); font-size: 14.5px; }
.facts i { width: 7px; height: 7px; border-radius: 50%; background: var(--jade); box-shadow: 0 0 10px var(--jade); }
.hero__scene { position: relative; min-width: 0; }

/* 3D 连环 */
.chain { margin: 0; }
.chain__stage { position: relative; height: clamp(320px, 46vh, 470px); touch-action: pan-y; user-select: none; -webkit-user-select: none; -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); }
.chain--compact .chain__stage { height: clamp(240px, 32vh, 340px); }
/* is-live 是 3D 唯一的开关：没有它（没 WebGL、初始化失败、上下文丢失）就是静态图，不显示抓手光标和“拖动可旋转” */
.chain__stage.is-live { cursor: grab; }
.chain__stage.is-live.is-pointing { cursor: pointer; }
.chain__stage.is-live.is-dragging { cursor: grabbing; }
.chain__stage:not(.is-live) ~ .chain__hint { visibility: hidden; }
.chain__canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 1.1s var(--ease); }
.chain__stage.is-live .chain__canvas { opacity: 1; }
.chain__fallback { position: absolute; inset: 10% 4%; width: 92%; height: 80%; transition: opacity .6s; }
.chain__stage.is-live .chain__fallback { opacity: 0; }
.chain__labels { position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .8s .3s; overflow: hidden; }
.chain__stage.is-live .chain__labels { opacity: 1; }
.clabel { position: absolute; left: 0; top: 0; will-change: transform; transition: opacity .3s; }
.clabel > * { position: absolute; white-space: nowrap; }
.clabel b { left: 0; top: 0; transform: translate(-50%, -150%); display: grid; place-items: center; min-width: 30px; height: 22px; padding: 0 6px; border: 1px solid var(--c); border-radius: 7px; background: rgba(10, 7, 6, 0.8); color: var(--c); font-family: var(--mono); font-size: 11px; font-weight: 600; }
.clabel span { left: 0; top: 0; transform: translate(-50%, -38%); padding: 2px 10px; border-radius: 999px; background: rgba(10, 7, 6, 0.75); font-size: 13px; font-weight: 600; color: var(--text); transition: box-shadow .25s, background-color .25s; }
.clabel.is-on span { background: var(--c); color: #1a0d05; box-shadow: 0 0 24px var(--c); }
.clabel.is-dim { opacity: .45; }
.chain--compact .clabel span { font-size: 12px; }
.chain__tip { position: absolute; left: 0; top: 0; z-index: 3; display: flex; flex-direction: column; gap: 2px; padding: 9px 13px; border: 1px solid rgba(61, 220, 151, 0.6); border-radius: 12px; background: rgba(12, 9, 7, 0.94); box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45); pointer-events: none; white-space: nowrap; opacity: 0; translate: 14px -110%; transition: opacity .2s; }
.chain__tip.is-on { opacity: 1; }
.chain__tip.is-planned { border-color: rgba(255, 181, 71, 0.6); }
.chain__tip b { font-size: 14.5px; }
.chain__tip span { color: var(--fog); font-size: 12.5px; }
.chain__hint { margin-top: 6px; color: var(--dim); font-size: 13px; text-align: center; }

/* 五环按钮 + 面板 */
.stages { margin-top: 10px; padding: 16px; border: 1px solid var(--line); border-radius: var(--r-xl); background: var(--panel); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.stages__tabs { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 6px; } /* 有几环就几列 */
.stab { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 9px 4px; border: 1px solid transparent; border-radius: 14px; background: rgba(255, 255, 255, 0.03); color: var(--fog); font-size: 14.5px; font-weight: 600; cursor: pointer; transition: border-color .2s, background-color .2s, color .2s, box-shadow .25s; }
.stab b { font-family: var(--mono); font-size: 11px; color: var(--c); }
.stab:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.1); }
.stab[aria-selected="true"] { color: #fff; border-color: var(--c); background: color-mix(in srgb, var(--c) 16%, transparent); box-shadow: 0 0 24px color-mix(in srgb, var(--c) 30%, transparent); }
.spanel { margin-top: 14px; animation: fadeUp .45s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } }
.spanel__goal { color: var(--fog); font-size: 15px; }
.spanel__list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
.spanel__list a { display: flex; align-items: center; gap: 9px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: rgba(10, 7, 6, 0.45); color: var(--text); font-size: 14.5px; transition: border-color .2s, transform .2s var(--ease); }
.spanel__list a:hover { text-decoration: none; border-color: var(--line-2); transform: translateY(-1px); }
.spanel__list i { width: 9px; height: 9px; flex: none; border-radius: 50%; border: 2px solid var(--amber); }
.spanel__list .is-live i { border: 0; background: var(--jade); box-shadow: 0 0 10px var(--jade); }
.spanel__list span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.spanel__list em { font-style: normal; font-size: 12px; color: var(--dim); white-space: nowrap; }
.spanel__list .is-live em { color: var(--jade); }

/* ---------- 核心三项 ---------- */
.core__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.ccard { --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 0%; position: relative; display: flex; flex-direction: column; gap: 12px; padding: 30px 28px; border: 1px solid var(--line); border-radius: var(--r-xl); background: linear-gradient(160deg, color-mix(in srgb, var(--c) 10%, transparent), transparent 55%), var(--panel); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); overflow: hidden; transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)); transition: transform .5s var(--ease), border-color .3s; }
.ccard:hover { border-color: color-mix(in srgb, var(--c) 55%, transparent); }
.ccard__glow { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(360px circle at var(--mx) var(--my), color-mix(in srgb, var(--c) 22%, transparent), transparent 60%); opacity: 0; transition: opacity .3s; }
.ccard:hover .ccard__glow { opacity: 1; }
.ccard__stage { font-size: 13px; font-weight: 600; color: var(--c); letter-spacing: .06em; }
.ccard h3 { font-size: 26px; }
.ccard__tag { color: var(--fog); font-size: 16px; }
.ccard .ticks { flex: 1; }
.ticks { display: grid; gap: 9px; }
.ticks li { display: flex; gap: 9px; align-items: flex-start; font-size: 15px; }
.ticks--big li { font-size: 16.5px; }

/* ---------- 服务连环套 ---------- */
.chainsec__filters { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: -20px 0 40px; }
.chip { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; padding: 0 16px; border: 1px solid var(--line-2); border-radius: 999px; background: rgba(20, 13, 10, 0.55); color: var(--fog); font-size: 15px; font-weight: 600; cursor: pointer; transition: border-color .2s, color .2s, background-color .2s; }
.chip b { font-family: var(--mono); font-size: 11px; color: var(--c, var(--amber)); }
.chip:hover { color: var(--text); }
.chip[aria-pressed="true"] { color: #fff; border-color: var(--c, var(--amber)); background: color-mix(in srgb, var(--c, #ffb547) 16%, transparent); }
.rings { position: relative; display: grid; gap: 18px; }
.rings::before { content: ""; position: absolute; left: 31px; top: 24px; bottom: 24px; width: 2px; background: linear-gradient(var(--amber), var(--coral), var(--rose), var(--violet), var(--jade)); opacity: .5; }
.ring { position: relative; display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 22px; align-items: start; transition: opacity .35s; }
.ring.is-dim { opacity: .28; }
.ring__head { position: sticky; top: calc(var(--nav-h) + 20px); display: flex; gap: 14px; align-items: flex-start; }
.ring__no { position: relative; z-index: 1; display: grid; place-items: center; width: 64px; height: 64px; flex: none; border-radius: 50%; border: 2px solid var(--c); background: var(--bg); font-family: var(--mono); font-size: 18px; font-weight: 700; color: var(--c); box-shadow: 0 0 0 6px var(--bg), 0 0 28px color-mix(in srgb, var(--c) 45%, transparent); }
.ring__head h3 { font-size: 24px; color: var(--c); }
.ring__head p { margin-top: 4px; color: var(--fog); font-size: 14.5px; }
.ring__list { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.scard { position: relative; border: 1px solid var(--line); border-radius: var(--r-l); background: var(--panel); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: border-color .25s, transform .35s var(--ease), box-shadow .3s; }
.scard:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--c) 55%, transparent); box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35); }
.scard.is-live { border-color: rgba(61, 220, 151, 0.35); background: linear-gradient(160deg, rgba(61, 220, 151, 0.08), transparent 55%), var(--panel); }
.scard__link { display: flex; flex-direction: column; gap: 8px; height: 100%; padding: 18px; color: var(--text); }
.scard__link:hover { text-decoration: none; }
.scard__top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; }
.scard__tag { color: var(--dim); font-size: 12.5px; }
.scard__name { font-size: 19px; }
.scard__line { color: var(--fog); font-size: 14.5px; line-height: 1.6; }
.scard__next { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; margin-top: auto; padding-top: 10px; border-top: 1px dashed var(--line-2); font-size: 12.5px; }
.scard__next em { font-style: normal; color: var(--dim); margin-right: 2px; }
.scard__next i { font-style: normal; padding: 1px 8px; border-radius: 999px; background: rgba(255, 255, 255, 0.05); color: var(--fog); }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 700; white-space: nowrap; }
.badge i { width: 7px; height: 7px; border-radius: 50%; }
.badge--live { background: rgba(61, 220, 151, 0.14); color: var(--jade); }
.badge--live i { background: var(--jade); box-shadow: 0 0 8px var(--jade); }
.badge--planned { background: rgba(255, 181, 71, 0.1); color: var(--amber); }
.badge--planned i { border: 1.5px solid var(--amber); }
.loop { display: flex; align-items: center; justify-content: center; gap: 12px; max-width: 760px; margin: 36px auto 0; padding: 16px 22px; border: 1px solid var(--line-2); border-radius: 999px; background: var(--panel); color: var(--fog); font-size: 15px; text-align: center; }
.loop .ico { width: 26px; height: 26px; color: var(--amber); }

/* ---------- 价格 ---------- */
.prices { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; max-width: 1080px; margin: 0 auto; }
.price { --rx: 0deg; --ry: 0deg; position: relative; display: flex; flex-direction: column; gap: 12px; padding: 30px 26px; border: 1px solid var(--line); border-radius: var(--r-xl); background: var(--panel); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)); transition: transform .5s var(--ease), border-color .3s; overflow: hidden; }
.price--hi { border-color: transparent; background: linear-gradient(160deg, rgba(255, 138, 76, 0.16), transparent 60%), var(--panel-2); }
.price--hi::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: conic-gradient(from var(--spin), transparent 0 55%, var(--amber), var(--coral), transparent 85%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; animation: spin 6s linear infinite; pointer-events: none; }
@keyframes spin { to { --spin: 360deg; } }
/* 一直转的装饰动画（高亮价格卡的流光边框每帧都要重画）只在它出现在屏幕上时跑：site.js 给 [data-anim] 加 is-vis */
.js .price--hi:not(.is-vis)::before, .js .contact__orb:not(.is-vis) i { animation-play-state: paused; }
.price--addon { border-color: rgba(61, 220, 151, 0.3); }
.price__label { font-size: 13px; font-weight: 600; letter-spacing: .1em; color: var(--amber); }
.price--addon .price__label { color: var(--jade); }
.price__name { font-size: 20px; }
.price__amount { display: flex; align-items: baseline; gap: 6px; }
.price__amount b { font-family: var(--mono); font-size: 54px; line-height: 1.05; color: #fff; text-shadow: 0 0 30px rgba(255, 140, 70, 0.35); }
.price__amount span { color: var(--fog); font-size: 17px; }
.price__limit { margin-top: -6px; color: var(--jade); font-size: 14.5px; font-weight: 600; }
.price .ticks { flex: 1; margin: 6px 0 10px; }
.prices__note { max-width: 760px; margin: 22px auto 0; color: var(--fog); font-size: 15px; text-align: center; }
.nextup { display: grid; grid-template-columns: minmax(0, 260px) minmax(0, 1fr) auto; gap: 18px 28px; align-items: center; max-width: 1080px; margin: 34px auto 0; padding: 24px 26px; border: 1px dashed var(--line-2); border-radius: var(--r-xl); background: rgba(20, 13, 10, 0.45); }
.nextup h3 { font-size: 18px; }
.nextup p { margin-top: 4px; color: var(--fog); font-size: 14px; }
.nextup__list { display: flex; flex-wrap: wrap; gap: 8px; }
.nextup__list a { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--fog); font-size: 13.5px; transition: border-color .2s, color .2s; }
.nextup__list a:hover { color: var(--text); border-color: var(--c); text-decoration: none; }
.nextup__list i { width: 8px; height: 8px; border-radius: 50%; border: 2px solid var(--c); }

/* ---------- 流程 ---------- */
.steps { --fill: 0; position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; padding-top: 40px; }
.steps::before, .steps::after { content: ""; position: absolute; left: 30px; right: 30px; top: 27px; height: 2px; border-radius: 2px; }
.steps::before { background: var(--line-2); }
.steps::after { background: linear-gradient(90deg, var(--amber), var(--coral), var(--rose), var(--violet), var(--jade)); transform-origin: left; transform: scaleX(var(--fill)); }
.step { position: relative; padding: 46px 20px 24px; border: 1px solid var(--line); border-radius: var(--r-l); background: var(--panel); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.step__node { position: absolute; top: -27px; left: 18px; display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; border: 2px solid var(--amber); background: var(--bg); box-shadow: 0 0 0 6px var(--bg), 0 0 22px rgba(255, 181, 71, 0.4); }
.step__node b { font-family: var(--mono); font-size: 15px; color: var(--amber); }
.step h3 { font-size: 18.5px; }
.step p { margin-top: 8px; color: var(--fog); font-size: 14.5px; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; }
.faq__item { border: 1px solid var(--line); border-radius: var(--r-l); background: var(--panel); transition: border-color .25s; }
.faq__item[open] { border-color: rgba(255, 181, 71, 0.45); }
.faq__item summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 19px 22px; cursor: pointer; list-style: none; font-weight: 700; font-size: 17px; }
.faq__item summary::-webkit-details-marker { display: none; }
.ico--plus { color: var(--amber); transition: transform .3s var(--ease); }
.faq__item[open] .ico--plus { transform: rotate(45deg); }
.faq__item p { padding: 0 22px 20px; color: var(--fog); }

/* ---------- 联系 ---------- */
.contact { overflow: hidden; }
.contact__orb { position: absolute; right: -10%; top: 10%; width: min(700px, 90vw); aspect-ratio: 1; pointer-events: none; }
.contact__orb i { position: absolute; inset: 0; border-radius: 50%; border: 1px solid rgba(255, 181, 71, 0.14); animation: orb 16s linear infinite; }
.contact__orb i:nth-child(2) { inset: 14%; border-style: dashed; border-color: rgba(255, 107, 74, 0.18); animation-duration: 22s; animation-direction: reverse; }
.contact__orb i:nth-child(3) { inset: 30%; border-color: rgba(61, 220, 151, 0.18); animation-duration: 28s; box-shadow: inset 0 0 80px rgba(255, 140, 70, 0.08); }
@keyframes orb { to { transform: rotate(360deg); } }
.contact__grid { position: relative; display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 40px; align-items: start; }
.contact__copy .shead__title { text-align: left; }
.contact__copy .shead__lede { text-align: left; }
.cards { display: grid; gap: 12px; margin-top: 30px; }
.cardline { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px 16px; align-items: center; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--r-l); background: var(--panel); }
.cardline__k { display: inline-flex; align-items: center; gap: 8px; color: var(--dim); font-size: 14px; }
.cardline__k .ico { color: var(--amber); }
.cardline__v { color: var(--text); font-weight: 600; overflow-wrap: anywhere; }
a.cardline__v { display: inline-flex; align-items: center; min-height: 44px; }
.copy { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 999px; background: transparent; color: var(--fog); font-size: 13px; cursor: pointer; transition: border-color .2s, color .2s; }
.copy:hover, .copy.is-done { border-color: var(--jade); color: var(--jade); }
.form { padding: clamp(22px, 3.4vw, 34px); border: 1px solid var(--line-2); border-radius: var(--r-xl); background: linear-gradient(160deg, rgba(48, 30, 22, 0.88), rgba(16, 11, 9, 0.92)); box-shadow: 0 40px 100px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.05); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.field { display: grid; gap: 7px; min-width: 0; margin-bottom: 16px; padding: 0; border: 0; }
.field label, .field legend { padding: 0; font-size: 15px; font-weight: 700; }
.field label i { margin-left: 4px; font-style: normal; color: var(--coral); }
.field label small { margin-left: 8px; color: var(--dim); font-size: 13px; font-weight: 500; }
.field input, .field textarea { width: 100%; min-height: 52px; padding: 12px 14px; border: 1px solid var(--line-2); border-radius: 13px; background: rgba(10, 7, 6, 0.7); font-size: 16.5px; transition: border-color .2s, box-shadow .2s; }
.field textarea { min-height: 110px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--dim); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 4px rgba(255, 181, 71, 0.15); }
.field input.is-invalid { border-color: var(--rose); box-shadow: 0 0 0 4px rgba(255, 95, 109, 0.18); }
.field--picks legend { margin-bottom: 10px; }
.picks { display: flex; flex-wrap: wrap; gap: 8px; }
.pick { position: relative; cursor: pointer; }
.pick input { position: absolute; opacity: 0; }
.pick span { display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 999px; background: rgba(10, 7, 6, 0.55); color: var(--fog); font-size: 14.5px; transition: border-color .2s, background-color .2s, color .2s; }
.pick input:checked + span { border-color: var(--jade); background: rgba(61, 220, 151, 0.14); color: #fff; }
.pick input:checked + span::before { content: "✓"; margin-right: 6px; color: var(--jade); font-weight: 700; }
.pick input:focus-visible + span { outline: 2px solid var(--amber); outline-offset: 2px; }
.picks__more { margin-top: 10px; }
.picks__more summary { padding: 10px 0; cursor: pointer; color: var(--dim); font-size: 14px; }
.picks__more .picks { margin-top: 10px; }
.form__status { min-height: 1.5em; margin-top: 12px; color: var(--jade); font-size: 14.5px; }
.form__status.is-error { color: var(--rose); }
.form [data-copy-mail] { margin-top: 8px; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line); background: rgba(10, 7, 6, 0.85); padding: 54px 0 34px; font-size: 15px; }
.footer__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1.2fr); gap: 30px; }
.footer__brand p { margin-top: 14px; color: var(--fog); }
.footer h2 { margin-bottom: 14px; font-size: 13px; font-weight: 600; letter-spacing: .14em; color: var(--dim); }
.footer ul { display: grid; gap: 2px; }
.footer li { display: flex; gap: 8px; align-items: center; min-height: 44px; color: var(--fog); }
.footer li .ico { color: var(--amber); }
.footer a { display: inline-flex; align-items: center; min-height: 44px; color: var(--fog); }
.footer a:hover { color: var(--text); }
.footer__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--dim); font-size: 13.5px; }

/* 手机底部常驻联系条：表单出现在屏幕上时收起（不挡输入框和提示）；键盘移动焦点时留出它的高度 */
.dock { display: none; }
@media (max-width: 600px) {
  html { scroll-padding-bottom: 96px; }
  .dock { position: fixed; left: 10px; right: 10px; bottom: calc(10px + env(safe-area-inset-bottom, 0px)); z-index: 60; display: grid; grid-template-columns: 1.4fr 1fr; gap: 8px; padding: 8px; border: 1px solid var(--line-2); border-radius: 22px; background: rgba(14, 10, 8, 0.9); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5); transition: opacity .25s, transform .25s var(--ease), visibility .25s; }
  .dock.is-off { opacity: 0; visibility: hidden; transform: translateY(16px); }
  .dock .btn { min-height: 46px; padding: 0 12px; font-size: 15.5px; }
  body { padding-bottom: 84px; }
}

/* ---------- 服务详情页 ---------- */
.shero { position: relative; padding: clamp(30px, 5vw, 60px) 0 20px; }
.shero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 30px; align-items: center; }
.shero__stage { display: flex; width: fit-content; align-items: center; gap: 10px; margin-top: 22px; color: var(--c); font-weight: 700; font-size: 15px; }
.shero__stage b { display: grid; place-items: center; min-width: 34px; height: 26px; border: 1px solid var(--c); border-radius: 8px; font-family: var(--mono); font-size: 12px; }
.shero__title { margin-top: 14px; font-size: clamp(40px, 5.4vw, 70px); line-height: 1.12; word-break: keep-all; overflow-wrap: anywhere; background: linear-gradient(180deg, #fff 30%, color-mix(in srgb, var(--c) 60%, #fff)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.shero__tag { margin-top: 8px; color: var(--dim); font-size: 15px; }
.shero__lede { margin-top: 16px; max-width: 30em; color: var(--fog); font-size: 18.5px; }
.shero__meta { margin: 18px 0 26px; }
.sdetail__grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 18px; }
.sbox { padding: 28px; border: 1px solid var(--line); border-radius: var(--r-xl); background: var(--panel); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.sbox h2 { margin-bottom: 16px; font-size: 21px; }
.sbox__note { margin-top: 16px; padding: 10px 14px; border-left: 3px solid var(--amber); background: rgba(255, 181, 71, 0.07); color: var(--fog); font-size: 14.5px; }
.sprice__amount b { font-family: var(--mono); font-size: 42px; color: #fff; }
.sprice__note { margin-top: 8px; color: var(--fog); font-size: 15px; }
.sflow { grid-column: 1 / -1; }
.sflow__cols { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 20px; align-items: center; }
.sflow h3 { margin-bottom: 10px; font-size: 14px; color: var(--dim); font-weight: 600; letter-spacing: .08em; }
.sflow__start { color: var(--fog); font-size: 14.5px; }
.sflow__me { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 18px 22px; border: 2px solid var(--c); border-radius: var(--r-l); background: color-mix(in srgb, var(--c) 12%, transparent); box-shadow: 0 0 40px color-mix(in srgb, var(--c) 30%, transparent); }
.sflow__me i { width: 12px; height: 12px; border-radius: 50%; background: var(--c); box-shadow: 0 0 12px var(--c); }
.sflow__me b { font-size: 17px; white-space: nowrap; }
.nodes { display: grid; gap: 8px; }
.nodes a { display: flex; align-items: center; gap: 9px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: rgba(10, 7, 6, 0.45); color: var(--text); font-size: 14.5px; }
.nodes a:hover { border-color: var(--c); text-decoration: none; }
.nodes i { width: 9px; height: 9px; flex: none; border-radius: 50%; background: var(--c); }
.nodes span { flex: 1; }
.nodes em { font-style: normal; color: var(--dim); font-size: 12px; }
.snav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.snav__a { display: flex; flex-direction: column; gap: 4px; padding: 18px 22px; border: 1px solid var(--line); border-radius: var(--r-l); background: var(--panel); color: var(--text); transition: border-color .2s; }
.snav__a:hover { border-color: var(--line-2); text-decoration: none; }
.snav__a span { display: inline-flex; align-items: center; gap: 6px; color: var(--dim); font-size: 13.5px; }
.snav__a b { font-size: 17px; }
.snav__a--next { align-items: flex-end; text-align: right; }
.simple { min-height: 60vh; display: flex; align-items: center; }
.simple__wrap { text-align: center; }
.simple__actions { margin-top: 28px; }

/* ---------- 出现动画 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: calc(var(--i, 0) * 80ms); }
  .js [data-reveal].is-in { opacity: 1; transform: none; }
  .js .ccard[data-reveal].is-in, .js .price[data-reveal].is-in { transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)); }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); min-height: 0; gap: 18px; }
  .ring { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .ring__head { position: static; }
  .rings::before { display: none; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 40px; }
  .steps::before, .steps::after { display: none; }
  .nextup { grid-template-columns: minmax(0, 1fr); }
  .contact__grid { grid-template-columns: minmax(0, 1fr); }
  .shero__grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 880px) {
  .nav__links { position: absolute; top: var(--nav-h); left: 0; right: 0; display: none; flex-direction: column; gap: 0; padding: 8px var(--gutter) 16px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: rgba(10, 7, 6, 0.97); }
  .nav.is-open .nav__links { display: flex; }
  .nav__links a { padding: 14px 4px; border-radius: 0; border-bottom: 1px solid var(--line); font-size: 17px; color: var(--text); }
  .nav__toggle { display: grid; place-items: center; }
  .nav__bar { gap: 12px; }
  .core__grid, .prices { grid-template-columns: minmax(0, 1fr); max-width: 560px; margin-inline: auto; }
  .sdetail__grid { grid-template-columns: minmax(0, 1fr); }
  .sflow__cols { grid-template-columns: minmax(0, 1fr); }
  .sflow__me { flex-direction: row; justify-content: center; }
  .footer__grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 600px) {
  body { font-size: 16.5px; }
  .nav__brand small { display: none; }
  .nav__cta { display: none; }
  .hero__actions .btn { flex: 1 1 auto; }
  .stages { padding: 12px; }
  .stab { font-size: 13px; padding: 8px 2px; }
  .spanel__list { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .form__row { grid-template-columns: minmax(0, 1fr); }
  .cardline { grid-template-columns: minmax(0, 1fr) auto; }
  .cardline__k { grid-column: 1 / -1; }
  .loop { border-radius: var(--r-l); }
  .snav { grid-template-columns: minmax(0, 1fr); }
  .snav__a--next { align-items: flex-start; text-align: left; }
  .ring__list { grid-template-columns: minmax(0, 1fr); }
}
/* 手机和触屏：卡片不用毛玻璃（背后本来就是平滑的深色渐变，模糊几乎看不出，但每次滚动都要重算），
   背景渐变也不再一直飘动；顶部导航和底部联系条照旧 */
@media (max-width: 880px), (pointer: coarse) {
  .btn--ghost, .nav__links, .stages, .ccard, .scard, .price, .step, .form, .sbox { -webkit-backdrop-filter: none; backdrop-filter: none; }
  .atmos__mesh { animation: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; transition-delay: 0s !important; }
}
@media print {
  .atmos, .nav, .chain, .contact__orb, .footer { display: none !important; }
  body, html { background: #fff; color: #111; }
  .shead__title, .hero__title, .shero__title { background: none; color: #111; -webkit-text-fill-color: #111; }
}