/* kagentx 营销站（英文、简体、繁体三份）。排法照 Outrank 的营销站（悬浮圆角导航、居中标题加漂浮卡、演示框、交替功能行、
   单卡定价、FAQ、大 CTA），品牌用 kagentx 的深墨加天蓝。营销站只做浅色。各语言的字体在 :root[lang=…] 里换。 */
:root {
  color-scheme: light;
  --brand: #0a6aa8; --brand2: #36a9ee; --brand-ink: #075a8f; --brand-soft: #e8f4fc; --brand-softer: #f4f9fe; --brand-line: #c4e2f6;
  --hl: #ffcf5a;
  --ink: #0e1217; --ink2: #34404c; --mut: #5d6874; --faint: #8b95a1; --line: #e5eaf0; --line2: #d3dbe3;
  --bg: #fbfcfe; --card: #ffffff; --dark: #0b0f14; --darkline: #25303b;
  --ok: #157a3e; --ok-soft: #e4f5ea; --bad: #c2262e; --bad-soft: #fdeaea; --warn: #8a5300; --warn-soft: #fff3d6;
  --c-google: #1a73e8; --c-bing: #00809d; --c-ai: #d9733f; --c-other: #9aa5b1;
  --sans: "IBM Plex Sans", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --display: "Noto Sans SC", "PingFang SC", "IBM Plex Sans", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --hand: "Long Cang", "Kaiti SC", "STKaiti", cursive;
  --shadow: 0 1px 2px rgba(14,18,23,.05), 0 12px 32px -14px rgba(14,18,23,.2);
  --shadow-lg: 0 2px 4px rgba(14,18,23,.04), 0 34px 70px -28px rgba(14,18,23,.32);
}
:root[lang="en"] {
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --display: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --hand: "Caveat", "Bradley Hand", cursive;
}
:root[lang="zh-TW"] {
  --sans: "IBM Plex Sans", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --display: "Noto Sans TC", "PingFang TC", "IBM Plex Sans", sans-serif;
  --hand: "Kaiti TC", "BiauKai", "DFKai-SB", cursive;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--bg); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 6px; }
svg { display: block; }
img { max-width: 100%; }
.wrap { max-width: 1200px; margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.sec { padding-block: clamp(64px, 9vw, 116px); position: relative; }
.sec.tight { padding-top: 0; }
section[id] { scroll-margin-top: 92px; }
.kicker { font: 600 12.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--brand); }
.h2 { font: 900 clamp(30px, 4.4vw, 50px)/1.18 var(--display); letter-spacing: -.025em; margin: 10px 0 14px; text-wrap: balance; }
.grad { background: linear-gradient(90deg, var(--brand), var(--brand2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: clamp(16px, 1.6vw, 18px); color: var(--mut); max-width: 62ch; margin: 0; }
.center { text-align: center; } .center .lede { margin-inline: auto; }
.mono { font-family: var(--mono); }
.src { display: block; font: 12px var(--mono); color: var(--faint); margin-top: 8px; }
.tag { display: inline-flex; align-items: center; gap: 4px; font: 600 11.5px var(--sans); padding: 2px 9px; border-radius: 999px; white-space: nowrap; line-height: 18px; }
.tag.brand { background: var(--brand-soft); color: var(--brand-ink); } .tag.ok { background: var(--ok-soft); color: var(--ok); } .tag.bad { background: var(--bad-soft); color: var(--bad); } .tag.warn { background: var(--warn-soft); color: var(--warn); } .tag.gray { background: #eef1f5; color: var(--mut); }
.tag.soon { background: #fff3d6; color: #7a4a00; }
.spark { position: absolute; color: var(--brand2); pointer-events: none; }
.spark svg { width: 100%; height: 100%; }
.lg { display: inline-block; flex: none; border-radius: 26%; overflow: hidden; box-shadow: 0 1px 2px rgba(14,18,23,.15); vertical-align: middle; }
.lg svg { width: 100%; height: 100%; }
.rise { transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.js .rise:not(.in) { transform: translateY(26px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } .js .rise:not(.in) { transform: none; } }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 0; border-radius: 999px; font: 700 15.5px var(--sans); padding: 13px 24px; white-space: nowrap; transition: transform .15s, box-shadow .15s; cursor: pointer; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { color: #fff; background: linear-gradient(180deg, var(--brand2), var(--brand)); box-shadow: 0 0 0 4px var(--brand-soft), inset 0 1px 0 rgba(255,255,255,.35), 0 12px 26px -12px var(--brand); }
.btn-primary .arr { transition: transform .15s; } .btn-primary:hover .arr { transform: translateX(3px); }
.btn-google { background: #fff; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--brand-line), 0 4px 14px -8px rgba(14,18,23,.25); }
.btn-ghost { background: #fff; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line2); }
.btn-yellow { background: var(--hl); color: var(--ink); box-shadow: 0 0 0 4px rgba(255,207,90,.32); }
.btn-sm { font-size: 14px; padding: 9px 16px; }
.btn-lg { font-size: 16.5px; padding: 15px 28px; }
.g { width: 18px; height: 18px; flex: none; }

/* 导航 */
.nav-shell { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 12px); z-index: 50; padding-inline: max(12px, env(safe-area-inset-left, 0px)) max(12px, env(safe-area-inset-right, 0px)); margin-top: 12px; }
.nav { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 22px; background: rgba(255,255,255,.9); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4); border: 1px solid var(--line); border-radius: 18px; padding: 9px 10px 9px 18px; box-shadow: 0 8px 30px -14px rgba(14,18,23,.25); }
.logo { display: flex; align-items: center; gap: 9px; font: 700 17.5px var(--sans); white-space: nowrap; letter-spacing: -.01em; }
.logo .mk { width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(140deg, var(--brand2), var(--brand)); display: grid; place-items: center; box-shadow: inset 0 1px 0 rgba(255,255,255,.35); }
.logo .mk svg { width: 16px; height: 16px; }
.nav-links { display: flex; gap: 4px; flex: 1; justify-content: center; }
.nav-links a { padding: 7px 13px; border-radius: 10px; font-size: 14.5px; font-weight: 500; color: var(--ink2); white-space: nowrap; }
.nav-links a:hover { background: #f1f4f8; color: var(--ink); }
.nav-links a[aria-current="page"] { color: var(--brand-ink); background: var(--brand-soft); }
.nav-act { display: flex; gap: 8px; align-items: center; }
.burger { display: none; width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--line); background: #fff; align-items: center; justify-content: center; }
.burger span, .burger span::before, .burger span::after { display: block; width: 16px; height: 2px; background: var(--ink); border-radius: 2px; position: relative; content: ""; }
.burger span::before { position: absolute; top: -5px; } .burger span::after { position: absolute; top: 5px; }
.mnav { display: none; max-width: 1200px; margin: 8px auto 0; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 10px; box-shadow: var(--shadow-lg); }
.mnav > a { display: block; padding: 11px 12px; border-radius: 10px; font-weight: 500; }
.mnav > a[aria-current="page"] { color: var(--brand-ink); background: var(--brand-soft); }
.mnav .row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.mnav.open { display: block; }
.langs { position: relative; }
.langs summary { list-style: none; display: inline-flex; align-items: center; gap: 6px; padding: 7px 11px; border-radius: 10px; font-size: 14px; font-weight: 500; color: var(--ink2); cursor: pointer; white-space: nowrap; }
.langs summary::-webkit-details-marker { display: none; }
.langs summary:hover, .langs[open] summary { background: #f1f4f8; color: var(--ink); }
.langs summary svg { width: 16px; height: 16px; }
.lmenu { position: absolute; right: 0; top: calc(100% + 8px); min-width: 150px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 6px; box-shadow: var(--shadow-lg); display: grid; }
.lmenu a, .mlangs a, .flangs a { font-size: 14px; color: var(--ink2); }
.lmenu a { padding: 8px 12px; border-radius: 9px; }
.lmenu a:hover { background: #f1f4f8; }
.lmenu a[aria-current], .mlangs a[aria-current], .flangs a[aria-current] { color: var(--brand-ink); font-weight: 600; }
.mlangs { display: flex; gap: 6px; flex-wrap: wrap; padding: 8px 4px 0; margin-top: 4px; border-top: 1px solid var(--line); }
.mlangs a { padding: 7px 10px; border-radius: 9px; }
.mlangs a[aria-current] { background: var(--brand-soft); }
/* English labels are longer: below 1180px the nav keeps one sign-in path (the page has more) and the globe alone */
@media (max-width: 1180px) { .nav-act .hide-l, .langs .ln { display: none; } }
@media (max-width: 980px) { .nav-links, .nav-act .hide-m { display: none; } .burger { display: inline-flex; } .nav { justify-content: space-between; } }
/* 「Start an evaluation」比原来的按钮字长：窄屏去掉箭头，菜单按钮才不被挤出屏幕 */
@media (max-width: 420px) { .nav-act .btn-primary .arr { display: none; } }

.gridbg { background-image: linear-gradient(rgba(14,18,23,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(14,18,23,.045) 1px, transparent 1px); background-size: 48px 48px; background-position: center top; }
.pull { margin-top: -76px; padding-top: calc(76px + var(--pt, 80px)); }

/* 首屏 */
.hero { position: relative; overflow: hidden; --pt: clamp(64px, 8vw, 104px); padding-bottom: 56px; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(48% 42% at 50% 22%, color-mix(in srgb, var(--brand2) 20%, transparent), transparent 70%); pointer-events: none; }
.hero .wrap { position: relative; display: grid; justify-items: center; text-align: center; }
.hero h1 { font: 900 clamp(40px, 6.6vw, 80px)/1.1 var(--display); letter-spacing: -.035em; margin: 0 0 22px; text-wrap: balance; max-width: 16ch; }
.hero .lede { text-align: center; max-width: 46ch; font-size: clamp(16px, 1.8vw, 19px); }
.ctas { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-top: 30px; }
.ctanote { display: flex; flex-wrap: wrap; justify-content: center; gap: 2px 18px; margin: 14px 0 0; font-size: 14px; color: var(--mut); }
.proof { display: flex; align-items: center; gap: 8px 18px; margin-top: 24px; font-size: 14px; color: var(--mut); flex-wrap: wrap; justify-content: center; }
.proof span { display: inline-flex; align-items: center; gap: 6px; text-align: left; }
.proof svg { width: 16px; height: 16px; color: var(--ok); flex: none; }
.proof b { color: var(--ink); }
.floats { position: absolute; inset: 0; pointer-events: none; }
.fl { position: absolute; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); padding: 14px; font-size: 13px; line-height: 1.55; text-align: left; color: var(--ink2); animation: bob 8s ease-in-out infinite; }
.fl.pill { border-radius: 999px; padding: 8px 14px 8px 8px; display: flex; gap: 8px; align-items: center; font-weight: 600; color: var(--ink); white-space: nowrap; }
.fl .fh { display: flex; align-items: center; gap: 8px; font: 600 12px var(--sans); color: var(--mut); margin-bottom: 8px; }
.fl .fs { display: block; font: 10.5px var(--mono); color: var(--faint); margin-top: 8px; }
.ico { width: 22px; height: 22px; border-radius: 7px; display: grid; place-items: center; color: #fff; font: 700 11px var(--mono); flex: none; }
.ico svg { width: 13px; height: 13px; }
/* 左边是评测发现的问题，右边是交付的东西；只留左边两张和右上的胶囊浮动 */
.fl.f-ai { left: 0; top: 0; width: 264px; rotate: -1.5deg; }
.fl.f-crawl { left: 0; bottom: 0; width: 264px; rotate: 1.5deg; animation-delay: -3s; }
.fl.f-cite { right: 0; top: 2%; rotate: 1.5deg; animation-delay: -5s; }
.fl.f-plan { right: 0; top: 22%; width: 264px; rotate: 1.5deg; animation: none; }
.fl.f-demand { right: 0; bottom: 0; rotate: -1.5deg; animation: none; }
.fl.pill b { color: var(--ok); }
.fl .take { margin: 8px 0 0; font-size: 12.5px; color: var(--ink); } .fl .take b { color: var(--bad); font-family: var(--mono); }
.ico.gg { background: #fff; border: 1px solid var(--line); } .ico.gg svg { width: 14px; height: 14px; }
@keyframes bob { 50% { translate: 0 -8px; } }
.srows { display: grid; gap: 6px; }
.srow { display: grid; grid-template-columns: 92px minmax(0, 1fr) 30px; gap: 8px; align-items: center; font-size: 12px; }
.srow > span:first-child { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.srow .t { height: 7px; border-radius: 4px; background: #edf1f5; overflow: hidden; } .srow .t i { display: block; height: 100%; border-radius: 4px; }
.srow b { font: 600 12px var(--mono); text-align: right; color: var(--ink); }
.srow.me { color: var(--bad); font-weight: 600; } .srow.me b { color: var(--bad); }
.srow .zero { font-size: 11.5px; }
.seq { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; counter-reset: sq; }
.seq li { counter-increment: sq; position: relative; padding-left: 30px; display: grid; gap: 1px; }
.seq li::before { content: counter(sq); position: absolute; left: 0; top: 1px; width: 21px; height: 21px; border-radius: 50%; background: var(--brand); color: #fff; font: 600 11px/21px var(--mono); text-align: center; }
.seq li b { color: var(--ink); font-size: 13px; } .seq li span { font-size: 11.5px; color: var(--mut); }
.seq.big { gap: 10px; } .seq.big li { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px 10px 44px; } .seq.big li::before { left: 12px; top: 11px; } .seq.big li b { font-size: 14px; } .seq.big li span { font-size: 12.5px; }
.seq.cnt li { grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 8px; } .seq.cnt li span { font: 500 11px var(--mono); color: var(--faint); }
/* 1240px 以下两侧放不下（会被裁、贴到标题），卡片排到正文下面 */
@media (max-width: 1240px) {
  .floats { position: static; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 44px; width: 100%; max-width: 940px; pointer-events: auto; }
  .fl { position: static; width: auto !important; rotate: 0deg !important; animation: none; }
  .fl.pill { display: none; }
}
/* 英文的标题和胶囊更长，1200px 的内容区两侧再宽也放不下：1240px 以上同样排到正文下面 */
@media (min-width: 1241px) {
  :root[lang="en"] .floats { position: static; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 44px; width: 100%; max-width: 940px; pointer-events: auto; }
  :root[lang="en"] .fl { position: static; width: auto !important; rotate: 0deg !important; animation: none; }
  :root[lang="en"] .fl.pill { display: none; }
}
@media (max-width: 860px) { .floats { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 680px; } .fl.f-plan { display: none; } }
@media (max-width: 560px) { .floats { grid-template-columns: minmax(0, 1fr); } .fl.f-crawl { display: none; } }

/* 演示框 */
.demo { position: relative; border-radius: 30px; padding: clamp(18px, 3.6vw, 48px) clamp(14px, 3.6vw, 48px) 0; background: linear-gradient(145deg, var(--brand2), var(--brand) 52%, var(--brand-ink)); box-shadow: var(--shadow-lg); overflow: hidden; }
.demo::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px); background-size: 40px 40px; }
.demo-cap { position: relative; color: #fff; font: 900 clamp(26px, 4vw, 52px)/1.15 var(--display); margin: 0 0 clamp(16px, 2.6vw, 30px); letter-spacing: -.025em; min-height: 1.2em; }
.demo-cap .dim { opacity: .5; margin-right: 12px; }
.demo-note { position: relative; color: rgba(255,255,255,.78); font-size: 13px; margin: -10px 0 18px; }
.app { position: relative; background: #f6f8fb; border-radius: 16px 16px 0 0; overflow: hidden; box-shadow: 0 -12px 44px -10px rgba(0,0,0,.4); display: grid; grid-template-columns: 210px minmax(0, 1fr); height: clamp(400px, 44vw, 560px); }
.side { background: #fff; border-right: 1px solid var(--line); padding: 16px 12px; display: grid; grid-template-rows: auto 1fr; gap: 14px; font-size: 13.5px; }
.side .proj { display: flex; gap: 8px; align-items: center; border: 1px solid var(--line); border-radius: 10px; padding: 7px 9px; font-weight: 600; }
.side nav { display: grid; gap: 2px; align-content: start; }
.side nav span { display: flex; gap: 9px; align-items: center; padding: 7px 10px; border-radius: 8px; color: var(--ink2); }
.side nav span i { width: 15px; height: 15px; border-radius: 4px; border: 1.6px solid currentColor; opacity: .55; flex: none; }
.side nav span.on { background: var(--brand-soft); color: var(--brand-ink); font-weight: 600; }
.side nav span.on i { opacity: 1; }
@media (max-width: 760px) { .app { grid-template-columns: minmax(0, 1fr); } .side { display: none; } }
.stage { position: relative; min-width: 0; container-type: inline-size; }
.scene { position: absolute; inset: 0; padding: clamp(14px, 2.6cqw, 28px); opacity: 0; transition: opacity .5s; pointer-events: none; overflow: hidden; }
.scene.show { opacity: 1; pointer-events: auto; }
.no-js .scene[data-s="3"] { opacity: 1; }
.sh { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; }
.sh b { font: 700 clamp(16px, 2.4cqw, 20px) var(--sans); }
.sh .crumbs { font: 12px var(--mono); color: var(--faint); white-space: nowrap; }
.box { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; min-width: 0; }
.inp { display: flex; align-items: center; gap: 10px; background: #fff; border: 1.5px solid var(--brand-line); border-radius: 12px; padding: 6px 6px 6px 14px; box-shadow: 0 0 0 4px var(--brand-soft); font: 15px var(--mono); }
.inp .v { flex: 1; overflow: hidden; white-space: nowrap; }
.inp .v::after { content: ""; display: inline-block; width: 2px; height: 17px; background: var(--brand); vertical-align: -3px; margin-left: 1px; animation: blink 1s steps(1) infinite; }
.inp .b { background: var(--ink); color: #fff; border-radius: 9px; padding: 8px 14px; font: 700 13.5px var(--sans); white-space: nowrap; }
.scene.show .typed { display: inline-block; overflow: hidden; vertical-align: bottom; width: 0; animation: typing 1.4s steps(14) .3s forwards; }
@keyframes typing { to { width: 14ch; } }
@keyframes blink { 50% { opacity: 0; } }
.scene.show .press { animation: press .5s 2.1s both; }
@keyframes press { 40% { transform: scale(.93); } }
.chips2 { display: flex; gap: 8px; flex-wrap: wrap; }
.chips2 span { border: 1px solid var(--line2); border-radius: 999px; padding: 4px 12px; font-size: 13px; background: #fff; }
.chips2 span.on { border-color: var(--brand); background: var(--brand-soft); color: var(--brand-ink); font-weight: 600; }
/* 付款前选版本：基础版 / 完整版，各写多久出结果 */
.tiers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.tiers.col { grid-template-columns: minmax(0, 1fr); }
.tiers span { display: grid; gap: 2px; border: 1px solid var(--line2); border-radius: 12px; padding: 8px 12px; font-size: 12.5px; color: var(--mut); background: #fff; min-width: 0; }
.tiers span b { font-size: 14px; color: var(--ink); }
.tiers span.on { border-color: var(--brand); background: var(--brand-soft); box-shadow: 0 0 0 3px var(--brand-softer); }
.tiers span.on b { color: var(--brand-ink); }
.paybtn { justify-self: end; background: var(--ink); color: #fff; border-radius: 9px; padding: 8px 14px; font: 700 13.5px var(--sans); white-space: nowrap; }
.clamp { font-size: 13.5px; color: var(--ink2); display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: var(--lines, 3); overflow: hidden; }
@container (max-width: 520px) { .scene .clamp { -webkit-line-clamp: 2; } .scene .paybtn { justify-self: stretch; text-align: center; } }
.two { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 16px; }
@container (max-width: 620px) { .two { grid-template-columns: minmax(0, 1fr); } .two > .r { display: none; } }
.stl { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 9px; font-size: 14px; }
.stl li { display: grid; grid-template-columns: 18px minmax(0, 1fr) auto; gap: 10px; align-items: center; color: #9aa4b0; }
.stl li::before { content: ""; width: 14px; height: 14px; border-radius: 50%; border: 2px solid #c8d0d9; box-sizing: border-box; }
.stl li span:last-child { font: 12px var(--mono); }
.stl li.done { color: var(--ink); } .stl li.done::before { background: #1f9d55; border-color: #1f9d55; }
.scene.show .stl li { animation: stepon .3s both; } .scene.show .stl li::before { animation: dotdone .3s both; }
.stl li:nth-child(1), .stl li:nth-child(1)::before { animation-delay: .3s !important; } .stl li:nth-child(2), .stl li:nth-child(2)::before { animation-delay: .8s !important; } .stl li:nth-child(3), .stl li:nth-child(3)::before { animation-delay: 1.3s !important; } .stl li:nth-child(4), .stl li:nth-child(4)::before { animation-delay: 1.8s !important; } .stl li:nth-child(5), .stl li:nth-child(5)::before { animation-delay: 2.3s !important; } .stl li:nth-child(6), .stl li:nth-child(6)::before { animation-delay: 2.8s !important; }
@keyframes stepon { to { color: var(--ink); } } @keyframes dotdone { to { background: #1f9d55; border-color: #1f9d55; } }
.pbar { height: 8px; border-radius: 4px; background: #e6ebf0; overflow: hidden; margin-top: 10px; } .pbar i { display: block; height: 100%; width: 8%; background: linear-gradient(90deg, var(--brand2), var(--brand)); border-radius: 4px; }
.scene.show .pbar i { animation: fill 3.3s .2s ease-out forwards; } @keyframes fill { to { width: 94%; } }
.rc { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; font-size: 13.5px; } .rc small { display: block; color: var(--faint); font-size: 11.5px; }
.scene.show .pop { animation: rise .45s both; } .pop:nth-child(2) { animation-delay: .9s !important; } .pop:nth-child(3) { animation-delay: 1.8s !important; } .pop:nth-child(4) { animation-delay: 2.6s !important; } .pop:nth-child(5) { animation-delay: 3s !important; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }
.concl { background: linear-gradient(120deg, var(--brand-soft), #fff); border: 1px solid var(--brand-line); border-radius: 14px; padding: 12px 16px; font: 700 clamp(14px, 2cqw, 17px)/1.5 var(--display); margin-bottom: 12px; }
.kt { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-bottom: 12px; }
.kt div { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 9px 12px; font-size: 12px; color: var(--mut); }
.kt b { display: block; font: 600 22px/1.25 var(--mono); color: var(--ink); }
.acts { display: grid; gap: 7px; }
.act { display: flex; gap: 10px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 11px; padding: 8px 12px; font-size: 13.5px; min-width: 0; }
.act > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.act i { width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: #fff; font: 600 11px/22px var(--mono); text-align: center; font-style: normal; flex: none; }
.act .tag { margin-left: auto; }
.vctl { position: relative; display: flex; align-items: center; gap: 12px; padding: 12px 4px 14px; color: #fff; font: 12.5px var(--mono); }
.vctl button { width: 34px; height: 34px; border-radius: 50%; border: 0; background: rgba(255,255,255,.18); color: #fff; display: grid; place-items: center; font-size: 13px; flex: none; }
.vctl .segs { flex: 1; display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.vctl .seg { height: 4px; border-radius: 2px; background: rgba(255,255,255,.28); overflow: hidden; cursor: pointer; border: 0; padding: 0; } .vctl .seg i { display: block; height: 100%; width: 0; background: #fff; }
.vctl .chap { opacity: .85; white-space: nowrap; }
@media (max-width: 640px) { .vctl .chap { display: none; } }

/* 数字带 */
.band { background: linear-gradient(110deg, var(--brand-ink), var(--brand) 45%, var(--brand2)); color: #fff; position: relative; overflow: hidden; }
.band::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.2) 1px, transparent 1.5px); background-size: 22px 22px; mask-image: linear-gradient(90deg, transparent, #000 30%, #000 70%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 30%, #000 70%, transparent); }
.band .wrap { position: relative; display: grid; grid-template-columns: repeat(var(--n, 3), minmax(0, 1fr)); padding-block: clamp(44px, 6vw, 72px); }
.band .st { text-align: center; padding: 0 16px; border-left: 1px solid rgba(255,255,255,.22); } .band .st:first-child { border-left: 0; }
.band b { display: block; font: 700 clamp(42px, 6vw, 72px)/1.05 var(--sans); letter-spacing: -.035em; }
.band b em { font-style: normal; color: var(--hl); margin-left: 6px; font-size: .6em; }
.band p { margin: 10px auto 0; max-width: 26ch; font-size: 15px; color: rgba(255,255,255,.92); }
@media (max-width: 720px) { .band .wrap { grid-template-columns: minmax(0, 1fr); gap: 30px; } .band .st { border-left: 0; } }

/* 界面图通用 */
.shotcard { background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; min-width: 0; }
.shotcard .bar0 { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--line); font: 600 12px var(--sans); color: var(--mut); flex-wrap: wrap; }
.shotcard .bar0 .sp { flex: 1; }
.shotcard .in { padding: 14px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--mut); margin-bottom: 8px; }
.legend span { display: inline-flex; gap: 6px; align-items: center; } .legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.ttab { width: 100%; border-collapse: collapse; font-size: 13px; }
.ttab th { text-align: left; font: 600 11.5px var(--sans); color: var(--faint); padding: 6px 8px; border-bottom: 1px solid var(--line); }
.ttab td { padding: 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.ttab tr:last-child td { border-bottom: 0; }
.ttab td.d { font-family: var(--mono); color: var(--brand-ink); overflow-wrap: anywhere; }
.ttab td.n, .ttab th.n { font-family: var(--mono); text-align: right; white-space: nowrap; }
.hbars { display: grid; gap: 10px; }
.hbar { display: grid; grid-template-columns: minmax(0, 150px) minmax(0, 1fr) 46px; gap: 10px; align-items: center; font-size: 13.5px; }
.hbar .t { height: 12px; border-radius: 6px; background: #edf1f5; overflow: hidden; } .hbar .t i { display: block; height: 100%; border-radius: 6px; min-width: 3px; }
.hbar b { font: 600 13.5px var(--mono); text-align: right; }
.hbar.zero b { color: var(--bad); }
@media (max-width: 480px) { .hbar { grid-template-columns: minmax(0, 104px) minmax(0, 1fr) 40px; font-size: 12.5px; } }

/* 结果拼图、评价（有真实数据才出现） */
.effect { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 48px; }
@media (max-width: 880px) { .effect { grid-template-columns: minmax(0, 1fr); } }
.who { display: flex; gap: 10px; align-items: center; font-size: 13.5px; color: var(--mut); }
.who b { color: var(--ink); display: block; font-size: 14px; }
.ini { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--brand-soft); color: var(--brand-ink); font: 700 15px var(--sans); flex: none; overflow: hidden; }
.ini img { width: 100%; height: 100%; object-fit: cover; }
.wall { columns: 3 320px; column-gap: 20px; margin-top: 40px; }
.tw { break-inside: avoid; background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 18px; margin-bottom: 20px; box-shadow: var(--shadow); display: grid; gap: 12px; }
.tw .h { display: flex; gap: 10px; align-items: center; }
.tw .h b { display: block; font-size: 15px; }
.tw .h span { font-size: 12.5px; color: var(--faint); }
.tw .h .pf { margin-left: auto; font: 600 11px var(--sans); color: var(--mut); background: #f1f4f8; border-radius: 6px; padding: 2px 7px; white-space: nowrap; }
.tw p { margin: 0; font-size: 15px; line-height: 1.75; }
.tw .d { font-size: 12px; color: var(--faint); }
.tw .d a { color: var(--brand-ink); text-decoration: underline; text-underline-offset: 2px; }
.tw .metric { display: flex; align-items: baseline; gap: 10px; background: var(--brand-softer); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
.tw .metric b { font: 700 28px/1 var(--sans); letter-spacing: -.03em; color: var(--brand-ink); }
.tw .metric span { font-size: 13px; color: var(--mut); }

/* 案例卡 */
.chead { display: flex; justify-content: space-between; align-items: end; gap: 20px; flex-wrap: wrap; }
.cases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 38px; }
@media (max-width: 960px) { .cases { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .cases { grid-template-columns: minmax(0, 1fr); } }
.case { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 22px; display: grid; gap: 12px; align-content: start; box-shadow: var(--shadow); min-width: 0; transition: transform .15s, box-shadow .15s; }
.case:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.case .ch { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.case .nm { display: flex; gap: 10px; align-items: center; font-weight: 700; font-size: 15.5px; }
.case .big { font: 700 clamp(46px, 5vw, 62px)/1 var(--sans); letter-spacing: -.04em; background: linear-gradient(90deg, var(--brand), var(--brand2)); -webkit-background-clip: text; background-clip: text; color: transparent; padding-bottom: 2px; }
.case .bl { font-size: 13px; color: var(--mut); margin-top: -4px; }
.case h3 { font: 700 17.5px/1.5 var(--display); margin: 2px 0 0; }
.case .by { display: flex; justify-content: space-between; align-items: center; gap: 10px; border-top: 1px solid var(--line); padding-top: 12px; margin-top: 4px; font-size: 12.5px; color: var(--faint); }
.case .by .rd { color: var(--brand-ink); font-weight: 700; font-size: 13.5px; white-space: nowrap; }
.case.next { background: linear-gradient(170deg, var(--brand-softer), #fff); border-style: dashed; border-color: var(--brand-line); box-shadow: none; align-content: center; justify-items: start; }
.case.next:hover { transform: none; box-shadow: none; }
.case.next p { margin: 0; color: var(--mut); font-size: 14.5px; }

/* 问题方案 */
.ps { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(22px, 4vw, 56px); align-items: center; margin-top: 46px; }
@media (max-width: 880px) { .ps { grid-template-columns: minmax(0, 1fr); } }
.pains { display: grid; gap: 18px; }
.pain { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 14px; align-items: start; }
.pain .pi { width: 46px; height: 46px; border-radius: 14px; background: #fff; border: 1px solid var(--line); display: grid; place-items: center; color: var(--mut); box-shadow: var(--shadow); }
.pain .pi svg { width: 22px; height: 22px; }
.pain .bub { background: #fff; border: 1px solid var(--line); border-radius: 4px 20px 20px 20px; padding: 15px 18px; box-shadow: var(--shadow); font-size: 15.5px; }
.pain .bub em { font-style: normal; color: var(--bad); font-weight: 600; }
.pain .bub .br { font-family: var(--mono); font-weight: 600; color: var(--ink); background: #f1f4f8; border-radius: 5px; padding: 0 5px; }
.sol { position: relative; background: linear-gradient(150deg, var(--brand2), var(--brand) 60%, var(--brand-ink)); border-radius: 28px; padding: 26px; color: #fff; box-shadow: var(--shadow-lg); }
.sol .sh2 { display: flex; align-items: center; gap: 10px; font: 700 17px var(--sans); }
.sol .sh2 .mk { width: 30px; height: 30px; border-radius: 9px; background: #fff; display: grid; place-items: center; }
.sol .inner { background: #fff; color: var(--ink); border-radius: 18px; padding: 18px 20px; margin-top: 18px; }
.sol .inner p { margin: 0 0 10px; color: var(--mut); font-size: 14.5px; }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 30px; font-size: 15px; }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; border: 1.5px solid var(--brand); color: var(--brand); font-size: 11px; font-weight: 700; display: grid; place-items: center; box-sizing: border-box; }
.ticks li.soon::before { content: "…"; border-color: #d9a43a; color: #9a6a00; }
.sol .spark { right: 20px; top: -14px; color: var(--hl); width: 36px; height: 36px; }

/* 三步 */
.steps3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 46px; }
@media (max-width: 920px) { .steps3 { grid-template-columns: minmax(0, 1fr); } }
.step { background: #fff; border: 1px solid var(--line); border-radius: 26px; overflow: hidden; box-shadow: var(--shadow); display: grid; grid-template-rows: auto 1fr; }
.step .shot { background: linear-gradient(170deg, var(--brand-softer), #fff); border-bottom: 1px solid var(--line); padding: 18px; height: 270px; overflow: hidden; }
.step .txt { padding: 20px 22px 24px; }
.step .n { font: 600 12.5px var(--mono); color: var(--brand); }
.step h3 { font: 700 20px/1.45 var(--display); margin: 6px 0 8px; }
.step p { margin: 0; color: var(--mut); font-size: 15px; }

/* 交替功能行 */
.frow { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: clamp(22px, 4vw, 60px); align-items: center; margin-top: clamp(44px, 6vw, 80px); }
.frow.rev { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); } .frow.rev .ft { order: 2; }
@media (max-width: 880px) { .frow, .frow.rev { grid-template-columns: minmax(0, 1fr); } .frow.rev .ft { order: 0; } }
.ft { background: linear-gradient(160deg, var(--brand-soft), var(--brand-softer)); border-radius: 28px; padding: clamp(26px, 3.6vw, 44px); }
.ft h3 { font: 900 clamp(26px, 3vw, 38px)/1.25 var(--display); margin: 0 0 12px; letter-spacing: -.02em; }
.ft p { margin: 0 0 24px; color: var(--mut); }
.fv { position: relative; padding-top: 44px; min-width: 0; }
.hand { position: absolute; top: 0; font: 400 clamp(23px, 2.4vw, 30px)/1.1 var(--hand); color: var(--brand); white-space: nowrap; z-index: 2; }
.hand svg { position: absolute; width: 64px; height: 46px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 520px) { .hand { font-size: 20px; white-space: normal; position: static; display: block; margin: -36px 0 10px; } .hand svg { display: none; } }
.chat { background: var(--dark); color: #e6edf3; border-radius: 20px; padding: 18px; box-shadow: var(--shadow-lg); font-size: 14px; display: grid; gap: 12px; }
.chat .hd { display: flex; gap: 8px; align-items: center; font: 600 12px var(--sans); color: #8e99a6; flex-wrap: wrap; }
.chat .eng { display: flex; gap: 6px; margin-left: auto; }
.chat .eng span { font: 600 11px var(--sans); border: 1px solid var(--darkline); border-radius: 999px; padding: 1px 9px; color: #8e99a6; }
.chat .eng span.on { background: #223040; color: #e6edf3; border-color: #36506a; }
.chat .q { justify-self: end; background: #223040; border-radius: 16px 16px 4px 16px; padding: 9px 13px; max-width: 86%; }
.chat .a { background: #121920; border: 1px solid var(--darkline); border-radius: 16px 16px 16px 4px; padding: 13px 14px; line-height: 1.7; color: #cfd8e1; }
.chat .a b { color: #fff; }
.chat .miss { display: flex; gap: 8px; align-items: center; background: rgba(194,38,46,.16); border: 1px solid rgba(240,120,120,.35); color: #ffb3b3; border-radius: 12px; padding: 8px 12px; font-size: 13px; }
.chat .miss svg { width: 18px; height: 18px; flex: none; }
.cites { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 10px; }
.cites span { font: 11px var(--mono); background: #0f151c; border: 1px solid var(--darkline); border-radius: 6px; padding: 1px 6px; color: #9fb0c0; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow-lg); padding: 16px; display: grid; gap: 12px; min-width: 0; }
.panel .ph { display: flex; justify-content: space-between; align-items: center; gap: 10px; font: 600 12.5px var(--sans); color: var(--mut); flex-wrap: wrap; }
.panel .ph > span:first-child { display: inline-flex; gap: 8px; align-items: center; }
.qs { display: flex; flex-wrap: wrap; gap: 7px; }
.qs span { font-size: 13px; padding: 4px 10px; border-radius: 9px; background: #f3f6f9; border: 1px solid var(--line); }
.qs span.gap { background: var(--bad-soft); border-color: #f4c4c1; color: #9e1f26; font-weight: 600; }
.qs span.part { background: var(--warn-soft); border-color: #f1dca8; color: var(--warn); }
.qs span.ok { background: var(--ok-soft); border-color: #bfe3cb; color: var(--ok); }
.qs span .n { font: 11px var(--mono); opacity: .7; margin-left: 5px; }

/* 外链 / 平台 */
.three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 46px; }
@media (max-width: 920px) { .three { grid-template-columns: minmax(0, 1fr); } }
.three .c { background: #fff; border: 1px solid var(--line); border-radius: 26px; padding: 16px 16px 24px; box-shadow: var(--shadow); display: grid; gap: 14px; align-content: start; min-width: 0; }
.three .c .vis { background: linear-gradient(170deg, var(--brand-softer), #fff); border: 1px solid var(--line); border-radius: 18px; padding: 14px; min-height: 200px; display: grid; gap: 8px; align-content: start; }
.three .c h3 { font: 700 19px/1.45 var(--display); margin: 0 6px; }
.three .c p { margin: 0 6px; color: var(--mut); font-size: 15px; }
.mini { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; font-size: 13px; box-shadow: 0 6px 16px -12px rgba(14,18,23,.3); min-width: 0; overflow-wrap: anywhere; }
.plat { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin-top: 44px; }
@media (max-width: 980px) { .plat { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .plat { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.pt { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 18px 12px; display: grid; justify-items: center; text-align: center; gap: 6px; align-content: start; }
.pt .pi { width: 44px; height: 44px; border-radius: 13px; background: #f1f4f8; border: 1px solid var(--line); display: grid; place-items: center; font: 700 16px var(--sans); color: var(--ink2); }
.pt b { font-size: 14.5px; }
.pt span { font-size: 12px; color: var(--mut); line-height: 1.45; }
.pt.soon { border-style: dashed; background: var(--brand-softer); }
.strip { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 18px; background: #fff; border: 1px solid var(--brand-line); border-radius: 20px; padding: 16px 18px; box-shadow: var(--shadow); }
.strip.soon { border-color: #f1dca8; background: #fffaf0; box-shadow: none; }
.strip .si { width: 46px; height: 46px; border-radius: 13px; background: var(--brand-soft); display: grid; place-items: center; flex: none; color: var(--brand); }
.strip.soon .si { background: #fff1d2; color: #9a6a00; }
.strip .si svg { width: 22px; height: 22px; }
.strip .t { flex: 1; min-width: 220px; } .strip .t b { display: block; font-size: 16px; } .strip .t span { font-size: 14px; color: var(--mut); }

/* 九宫格 */
.deep { background: linear-gradient(170deg, var(--brand-ink), var(--brand) 55%, var(--brand2)); color: #fff; border-radius: clamp(28px, 5vw, 64px) clamp(28px, 5vw, 64px) 0 0; }
.deep .h2 { color: #fff; } .deep .lede { color: rgba(255,255,255,.86); }
.nine { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 46px; }
@media (max-width: 920px) { .nine { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .nine { grid-template-columns: minmax(0, 1fr); } }
.nine .c { background: #fff; color: var(--ink); border-radius: 24px; padding: 20px; display: grid; gap: 8px; align-content: start; min-width: 0; }
.nine .c h3 { font: 700 18px/1.4 var(--display); margin: 0; }
.nine .c p { margin: 0; font-size: 14px; color: var(--mut); }
.nine .c .vis { background: var(--brand-softer); border: 1px solid var(--line); border-radius: 14px; padding: 12px; margin-top: 6px; font-size: 13px; display: grid; gap: 7px; min-height: 96px; align-content: start; overflow-wrap: anywhere; }

/* 样例 */
.samples { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 24px; margin-top: 46px; align-items: start; }
@media (max-width: 880px) { .samples { grid-template-columns: minmax(0, 1fr); } }
.slist { display: grid; gap: 12px; }
.si2 { text-align: left; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 16px 18px; display: grid; gap: 10px; box-shadow: var(--shadow); width: 100%; }
.si2 b { font: 700 16.5px/1.45 var(--display); }
.si2 .m { display: flex; justify-content: space-between; gap: 10px; align-items: center; font-size: 13px; color: var(--mut); }
.si2 .m .nm { display: flex; gap: 8px; align-items: center; font-weight: 600; color: var(--ink2); }
.si2[aria-selected="true"] { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft), var(--shadow); background: var(--brand-softer); }
.prev { background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow-lg); overflow: hidden; min-width: 0; }
.prev .bar0 { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); font: 600 12px var(--sans); color: var(--mut); flex-wrap: wrap; }
.prev .body { padding: clamp(20px, 3vw, 32px); font-size: 15.5px; overflow-wrap: anywhere; }
.prev .body h4 { font: 900 clamp(22px, 2.6vw, 30px)/1.3 var(--display); margin: 0 0 12px; letter-spacing: -.01em; }
.prev .meta { font: 12.5px var(--mono); color: var(--faint); margin-bottom: 16px; display: grid; gap: 2px; }
.prev .body p { margin: 0 0 12px; color: var(--ink2); white-space: pre-line; }
.prev .body ol, .prev .body ul { margin: 0 0 12px; padding-left: 20px; color: var(--ink2); }
.prev .foot { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; align-items: center; padding: 12px 16px; border-top: 1px solid var(--line); background: var(--brand-softer); font-size: 13px; color: var(--mut); }
.prev [role="tabpanel"][hidden] { display: none; }
.foot-note { text-align: center; margin-top: 18px; font-size: 14.5px; color: var(--mut); }
.foot-note a { color: var(--brand-ink); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

/* 三张说明卡 */
.aic { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 46px; }
@media (max-width: 980px) { .aic { grid-template-columns: minmax(0, 1fr); } }
.aic .c { border-radius: 28px; padding: 26px; display: grid; gap: 14px; align-content: start; min-width: 0; }
.aic .c h3 { font: 900 23px/1.35 var(--display); margin: 0; } .aic .c p { margin: 0; font-size: 15px; }
.aic .dk { background: var(--dark); color: #e6edf3; } .aic .dk p { color: #aab5c1; }
.aic .br { background: linear-gradient(150deg, var(--brand2), var(--brand)); color: #fff; } .aic .br p { color: rgba(255,255,255,.88); }
.aic .lt { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); } .aic .lt p { color: var(--mut); }
.aic ul { margin: 0; padding-left: 18px; display: grid; gap: 4px; font-size: 14.5px; }
.aic .dk ul { color: #cfd8e1; } .aic .br ul { color: #fff; } .aic .lt ul { color: var(--ink2); }

/* 定价 */
.plan { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); margin-top: 46px; background: #fff; border: 1px solid var(--brand-line); border-radius: 32px; box-shadow: 0 0 0 10px var(--brand-softer), var(--shadow-lg); overflow: hidden; }
@media (max-width: 880px) { .plan { grid-template-columns: minmax(0, 1fr); } }
.plan .l { padding: clamp(26px, 3.4vw, 42px); background: linear-gradient(170deg, var(--brand-soft), #fff 70%); display: grid; gap: 16px; align-content: start; }
.plan .nm { display: flex; gap: 10px; align-items: center; font: 700 21px var(--display); flex-wrap: wrap; }
.plan .price { font: 700 clamp(60px, 7vw, 80px)/1 var(--sans); letter-spacing: -.045em; }
.plan .price small { font: 500 17px var(--sans); color: var(--mut); letter-spacing: 0; margin-left: 4px; }
.plan .note { font-size: 13.5px; color: var(--mut); text-align: center; }
.plan .eta, .pc .eta { font: 600 14.5px var(--sans); color: var(--brand-ink); margin-top: -6px; }
.plan .r { padding: clamp(26px, 3.4vw, 42px); }
.plan .r h4 { margin: 0 0 14px; font: 700 15px var(--sans); color: var(--mut); }
.plan .r .ticks { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px 24px; }
@media (max-width: 560px) { .plan .r .ticks { grid-template-columns: minmax(0, 1fr); } }
.plan .r .ticks li b { color: var(--brand-ink); }
.addon { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 20px; background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 16px 20px; }
.addon .si { width: 46px; height: 46px; border-radius: 13px; background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; font: 700 16px var(--mono); flex: none; }
.addon .t { flex: 1; min-width: 220px; } .addon .t b { display: block; font-size: 16px; } .addon .t span { font-size: 14px; color: var(--mut); }

/* FAQ / CTA / 页脚 */
.faq { max-width: 840px; margin: 42px auto 0; display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 0 22px; box-shadow: 0 4px 14px -10px rgba(14,18,23,.2); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 20px 0; font: 600 16.5px/1.5 var(--sans); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 26px/1 var(--sans); color: var(--brand); transition: transform .2s; flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: -6px 0 20px; color: var(--mut); font-size: 15px; }
.cta { position: relative; overflow: hidden; border-radius: 36px; padding: clamp(44px, 6vw, 88px) clamp(22px, 5vw, 64px); background: linear-gradient(130deg, var(--brand-ink), var(--brand) 50%, var(--brand2)); color: #fff; text-align: center; display: grid; justify-items: center; gap: 22px; }
.cta::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 44px 44px; }
.cta > * { position: relative; }
.cta .kicker { color: rgba(255,255,255,.75); }
.cta h2 { font: 900 clamp(34px, 5vw, 60px)/1.15 var(--display); margin: 0; letter-spacing: -.03em; max-width: 16ch; text-wrap: balance; }
.cta h2 em { font-style: normal; color: var(--hl); }
.cta p { margin: 0; color: rgba(255,255,255,.88); max-width: 46ch; }
.cta .row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.footer { padding-block: 64px 36px; margin-top: clamp(56px, 8vw, 100px); border-top: 1px solid var(--line); background: #fff; }
.fgrid { display: grid; grid-template-columns: 1.6fr repeat(3, minmax(0, 1fr)); gap: 28px; }
@media (max-width: 860px) { .fgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .fgrid .fb { grid-column: 1 / -1; } }
.fgrid h4 { margin: 0 0 12px; font: 700 14px var(--sans); }
.fgrid a { display: block; font-size: 14px; color: var(--mut); padding: 3px 0; }
.fgrid a:hover { color: var(--brand-ink); }
.fb p { font-size: 13.5px; color: var(--mut); margin: 12px 0 0; max-width: 34ch; }
.fgrid .flangs { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 14px; }
.fgrid .flangs a { display: inline; padding: 0; font-size: 13.5px; }
.fbot { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--faint); }

/* 子页面 */
.phero { position: relative; overflow: hidden; --pt: clamp(52px, 7vw, 92px); padding-bottom: clamp(36px, 5vw, 60px); }
.crumb { font-size: 13.5px; color: var(--faint); margin-bottom: 14px; } .crumb a { color: var(--mut); }
.pills { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 18px; }
.pills span { font-size: 13px; border: 1px solid var(--line2); background: #fff; border-radius: 999px; padding: 3px 12px; color: var(--ink2); }
.ph1 { font: 900 clamp(38px, 6vw, 70px)/1.12 var(--display); letter-spacing: -.035em; margin: 0 0 18px; text-wrap: balance; }
.split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(26px, 5vw, 68px); align-items: center; }
@media (max-width: 920px) { .split { grid-template-columns: minmax(0, 1fr); } }
.bline { display: inline-flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--line2); border-radius: 999px; padding: 4px 14px 4px 4px; font-size: 13.5px; color: var(--ink2); margin-bottom: 18px; flex-wrap: wrap; }
.bline b { background: var(--ink); color: #fff; border-radius: 999px; padding: 2px 10px; font: 600 11.5px var(--mono); letter-spacing: .06em; }
.rules { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 42px; }
@media (max-width: 920px) { .rules { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .rules { grid-template-columns: minmax(0, 1fr); } }
.rules div { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 22px; }
.rules i { font: 600 13px var(--mono); color: var(--brand); font-style: normal; }
.rules b { display: block; font: 700 17.5px/1.45 var(--display); margin: 6px 0; }
.rules p { margin: 0; font-size: 14px; color: var(--mut); }
.chan { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 42px; }
@media (max-width: 920px) { .chan { grid-template-columns: minmax(0, 1fr); } }
.chan > div { background: #fff; border: 1px solid var(--line); border-radius: 26px; padding: 24px; display: grid; gap: 12px; align-content: start; box-shadow: var(--shadow); }
.chan .top { display: flex; gap: 10px; align-items: center; font: 700 19px var(--display); }
.chan .dot { width: 12px; height: 12px; border-radius: 50%; }
.chan p { margin: 0; color: var(--mut); font-size: 15px; }
.chan ul { margin: 0; padding-left: 18px; display: grid; gap: 5px; color: var(--ink2); font-size: 14.5px; }
.research { display: grid; grid-template-columns: repeat(var(--n, 3), minmax(0, 1fr)); gap: 20px; margin-top: 42px; }
@media (max-width: 920px) { .research { grid-template-columns: minmax(0, 1fr); } }
.research > div { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 24px; display: grid; gap: 8px; align-content: start; box-shadow: var(--shadow); }
.research b { font: 700 48px/1 var(--sans); letter-spacing: -.035em; color: var(--brand-ink); }
.research h3 { margin: 0; font: 700 17.5px/1.45 var(--display); }
.research p { margin: 0; font-size: 14.5px; color: var(--mut); }
.research small { font-size: 12px; color: var(--faint); }
.tbl { overflow-x: auto; margin-top: 38px; background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); }
.tbl table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 620px; }
.tbl th, .tbl td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl th { background: var(--brand-softer); font-size: 13px; color: var(--mut); font-weight: 600; }
.tbl tr:last-child td { border-bottom: 0; } .tbl td:first-child { font-weight: 700; white-space: nowrap; } .tbl .no { color: var(--bad); }
.plans2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 20px; margin-top: 42px; }
@media (max-width: 880px) { .plans2 { grid-template-columns: minmax(0, 1fr); } }
.pc { background: #fff; border: 1px solid var(--line); border-radius: 30px; padding: clamp(24px, 3vw, 36px); display: grid; gap: 16px; align-content: start; box-shadow: var(--shadow); }
.pc.feat { border-color: var(--brand-line); box-shadow: 0 0 0 10px var(--brand-softer), var(--shadow-lg); }
.pc .nm { font: 700 21px var(--display); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.pc .price { font: 700 64px/1 var(--sans); letter-spacing: -.045em; } .pc .price small { font: 500 16px var(--sans); color: var(--mut); letter-spacing: 0; }
.pc .desc { margin: 0; color: var(--ink2); font-size: 15px; } .pc .note { font-size: 13.5px; color: var(--mut); text-align: center; }
.plans2 + .addon { margin-top: 26px; } .addon + .addon { margin-top: 12px; }

/* 案例详情 */
.dhead { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 18px; align-items: center; }
.dhead h1 { margin: 0; font: 900 clamp(28px, 4.2vw, 50px)/1.2 var(--display); letter-spacing: -.03em; text-wrap: balance; }
.dhead .meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.dkpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 30px; }
@media (max-width: 720px) { .dkpis { grid-template-columns: minmax(0, 1fr); } }
.dkpis > div { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 20px; box-shadow: var(--shadow); }
.dkpis span { font-size: 13.5px; color: var(--mut); }
.dkpis b { display: block; font: 700 38px/1.1 var(--sans); letter-spacing: -.03em; color: var(--brand-ink); margin-top: 6px; }
.dkpis small { display: block; font-size: 12.5px; color: var(--faint); margin-top: 4px; }
.dgrid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .95fr); gap: 22px; margin-top: 22px; align-items: start; }
@media (max-width: 920px) { .dgrid { grid-template-columns: minmax(0, 1fr); } }
.found { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 20px 22px; box-shadow: var(--shadow); min-width: 0; }
.found + .found { margin-top: 22px; }
.found h2, .found h3 { margin: 0 0 12px; font: 700 18px var(--display); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.found ul, .found ol { margin: 0; padding-left: 20px; display: grid; gap: 8px; color: var(--ink2); font-size: 15px; }
.found p { margin: 0; color: var(--ink2); }
.found .sub { font-size: 13.5px; color: var(--mut); }
.stagelist { display: grid; gap: 14px; counter-reset: st; }
.stagelist > div { counter-increment: st; position: relative; padding-left: 40px; }
.stagelist > div::before { content: counter(st); position: absolute; left: 0; top: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--brand); color: #fff; font: 600 13px/28px var(--mono); text-align: center; }
.stagelist b { display: block; font-size: 15.5px; }
.stagelist p { margin: 2px 0 0; font-size: 14px; color: var(--mut); }
.stagelist .dw { font-size: 13px; color: var(--ok); margin-top: 4px; }
.bigq { background: linear-gradient(150deg, var(--brand2), var(--brand)); color: #fff; border-radius: 28px; padding: clamp(26px, 4vw, 44px); margin-top: 26px; display: grid; gap: 14px; }
.bigq p { margin: 0; font: 700 clamp(19px, 2.4vw, 26px)/1.5 var(--display); }
.bigq small { color: rgba(255,255,255,.8); font-size: 13.5px; }
.pending { background: #fffaf0; border: 1px dashed #f1dca8; border-radius: 22px; padding: 20px 22px; margin-top: 22px; color: #6b4a00; font-size: 14.5px; }