:root{
  --ink:#0a0d1f; --ink-2:#3d4260; --ink-3:#6b7194;
  --paper:#ffffff; --paper-2:#f5f6fb; --rule:#e4e6f0;
  --navy:#01128a; --navy-2:#161da0; --peach:#fdb984; --peach-2:#f2c1a6;
  --accent:#2a3fd8;
  --shadow:0 1px 2px rgba(10,13,31,.06),0 12px 32px -12px rgba(10,13,31,.18);
  --radius:18px;
  --ease-settle:cubic-bezier(.2,.8,.2,1);
  --motion-fast:180ms;
  --motion-reveal:460ms;
}
@media (prefers-color-scheme:dark){
  :root{
    --ink:#eceefa; --ink-2:#b3b8d4; --ink-3:#878da8;
    --paper:#080a16; --paper-2:#0e1226; --rule:#1e2340;
    --accent:#8fa2ff;
    --shadow:0 1px 2px rgba(0,0,0,.5),0 16px 40px -14px rgba(0,0,0,.7);
  }
}
*,*::before,*::after{box-sizing:border-box}
/* 顶栏是 sticky 60pt，锚点跳转要让开，否则标题被盖住 */
[id]{scroll-margin-top:76px}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans","Noto Sans KR",Roboto,"Helvetica Neue",sans-serif;
  font-feature-settings:"kern";text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px;border-radius:5px}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.narrow{max-width:720px;margin:0 auto}

/* ---- header ---- */
header.top{position:sticky;top:0;z-index:20;backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  background:color-mix(in srgb,var(--paper) 82%,transparent);border-bottom:1px solid var(--rule)}
.top .wrap{display:flex;align-items:center;gap:20px;height:60px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:650;letter-spacing:-.01em}
.brand img{width:28px;height:28px;border-radius:7px}
.top nav{display:flex;gap:22px;margin-left:auto;font-size:15px}
.top nav a{color:var(--ink-2);position:relative;transition:color var(--motion-fast)}
.top nav a::after{content:"";position:absolute;left:0;right:0;bottom:-7px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--motion-fast) var(--ease-settle)}
.top nav a[aria-current="location"]{color:var(--accent)}
.top nav a[aria-current="location"]::after{transform:scaleX(1)}
.langsel{position:relative}
.langsel summary{list-style:none;cursor:pointer;font-size:15px;color:var(--ink-2);
  min-height:44px;display:flex;align-items:center;gap:8px;white-space:nowrap;
  padding:7px 12px;border:1px solid var(--rule);border-radius:999px;
  transition:background var(--motion-fast),border-color var(--motion-fast)}
.langsel summary::after{content:"";width:6px;height:6px;border-right:1.5px solid;border-bottom:1.5px solid;
  transform:translateY(-2px) rotate(45deg);transition:transform var(--motion-fast) var(--ease-settle)}
.langsel[open] summary::after{transform:translateY(1px) rotate(225deg)}
.langsel summary::-webkit-details-marker{display:none}
.langsel ul{position:absolute;right:0;top:calc(100% + 8px);margin:0;padding:6px;list-style:none;
  background:var(--paper);border:1px solid var(--rule);border-radius:12px;
  box-shadow:var(--shadow);min-width:170px;max-width:calc(100vw - 48px);max-height:60vh;overflow:auto}
.langsel[open] ul{animation:menuIn 150ms var(--ease-settle)}
@keyframes menuIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.langsel li a{display:block;padding:9px 12px;min-height:44px;border-radius:8px;color:var(--ink);font-size:15px}
.langsel li a:hover{background:var(--paper-2);text-decoration:none}
.langsel li a[aria-current]{font-weight:650;color:var(--accent)}
@media(max-width:760px){.top nav{display:none}.top .wrap{gap:12px}.top .langsel{margin-left:auto}.brand{white-space:nowrap;font-size:15px}}

/* ---- hero ---- */
.hero{background:
  radial-gradient(1100px 520px at 82% -10%,rgba(84,60,220,.55),transparent 62%),
  radial-gradient(900px 480px at -12% 108%,rgba(253,185,132,.22),transparent 60%),
  linear-gradient(168deg,var(--navy) 0%,var(--navy-2) 58%,#2b1f8e 100%);
  color:#fff;padding:84px 0 12px;overflow:hidden;position:relative}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:26px 26px;
  mask-image:radial-gradient(620px 420px at 78% 30%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(620px 420px at 78% 30%,#000 0%,transparent 72%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1fr 340px;gap:56px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--peach);border:1px solid rgba(253,185,132,.45);border-radius:999px;padding:4px 12px;margin:0 0 22px}
.hero h1{font-size:clamp(34px,5.4vw,54px);line-height:1.12;letter-spacing:-.025em;margin:0 0 18px;font-weight:700}
.hero h1 em{font-style:normal;color:var(--peach)}
.hero p.lede{font-size:clamp(17px,2vw,20px);line-height:1.55;color:rgba(255,255,255,.82);margin:0 0 30px;max-width:34em}
.cta{display:inline-flex;align-items:center;gap:9px;background:#fff;color:var(--navy);
  font-weight:650;font-size:17px;padding:13px 26px;border-radius:999px;
  box-shadow:0 8px 24px -8px rgba(0,0,0,.5);
  transition:transform var(--motion-fast) var(--ease-settle),box-shadow var(--motion-fast);touch-action:manipulation}
.cta-arrow{display:inline-block;flex:none;transition:transform var(--motion-fast) var(--ease-settle)}
.cta:hover{text-decoration:none}
@media(hover:hover){
  .cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px -10px rgba(0,0,0,.5),0 0 0 3px rgba(255,255,255,.08)}
  .cta:hover .cta-arrow{transform:translateX(3px)}
  .langsel summary:hover{background:var(--paper-2);border-color:var(--ink-3)}
  .top nav a:hover{text-decoration:none;color:var(--accent)}
}
.cta:active{transform:translateY(0) scale(.98);box-shadow:0 4px 14px -7px rgba(0,0,0,.4)}
.cta:focus-visible{outline-color:var(--peach);border-radius:999px}
.cta-note{font-size:14px;color:rgba(255,255,255,.62);margin:14px 0 0}
.stats{display:flex;gap:14px;margin:40px 0 0;padding:0 0 56px;flex-wrap:wrap}
.stats div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:16px;padding:14px 20px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.stats div b{display:block;font-size:24px;font-weight:700;letter-spacing:-.02em}
.stats div>span{font-size:13px;color:rgba(255,255,255,.66);text-wrap:balance}
.stats .stat-unit{display:inline-block;white-space:nowrap}
/* 机身边框：iOS 截图是白底，不套壳就是一块贴上去的白矩形 */
.device{background:linear-gradient(158deg,#3a4160,#0b0e1c 70%);padding:9px;
  border-radius:40px;box-shadow:0 0 0 1px rgba(255,255,255,.10) inset}
.device img{border-radius:32px;display:block}

/* ---- hero 滑卡：停留、决定、滑出，三张卡共用 10.8s 时间线 ---- */
/* 裁剪窗：滑出的卡片一越过本列边界就被裁掉，不横穿左侧文字区 */
.demo-wrap{overflow:hidden;justify-self:stretch;padding:26px 0 64px;
  display:flex;justify-content:center}
.demo{position:relative;width:280px;height:400px}
.demo::before{content:"";position:absolute;inset:-14% -22%;border-radius:50%;
  background:radial-gradient(closest-side,rgba(253,185,132,.28),rgba(84,60,220,.18) 55%,transparent);
  filter:blur(6px)}
.dcard{position:absolute;inset:0;border-radius:28px;overflow:hidden;
  display:flex;align-items:flex-end;
  box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 26px 56px -18px rgba(0,0,0,.65)}
.c1{background:linear-gradient(150deg,#b3c0ff 0%,#5b7cff 52%,#3448e0 100%)}
.c2{background:linear-gradient(150deg,#ffe6cf 0%,#fdb984 55%,#f08a5a 100%)}
.c3{background:linear-gradient(150deg,#ffffff 0%,#eef1ff 55%,#d9e0ff 100%)}
.dcard::before{content:"";position:absolute;inset:0;
  background:radial-gradient(120% 70% at 22% 12%,rgba(255,255,255,.42),transparent 55%)}
.dfoot{position:relative;width:100%;display:flex;justify-content:space-between;
  padding:38px 16px 14px;color:#fff;font-size:13px;font-weight:600;letter-spacing:.02em;
  background:linear-gradient(transparent,rgba(0,0,0,.42));text-shadow:0 1px 2px rgba(0,0,0,.35)}
.stamp{position:absolute;top:24px;padding:5px 12px;border:3px solid;border-radius:10px;
  max-width:calc(100% - 32px);font-weight:800;font-size:17px;line-height:1.25;
  letter-spacing:.025em;opacity:0;background:rgba(255,255,255,.88)}
.stamp.keep{left:16px;color:#1f9d4d;border-color:#1f9d4d;transform:rotate(-13deg)}
.stamp.del{right:16px;color:#e0352b;border-color:#e0352b;transform:rotate(13deg)}
/* 每张停留约 2.4s，滑出约 0.8s；回到底层时完全透明，避免回程穿过卡堆。 */
@keyframes goR{
  0%,22%{transform:translateY(0) scale(1);opacity:1;z-index:3}
  24%{transform:translate(3%,-1%) rotate(2deg);opacity:1;z-index:3}
  30%{transform:translate(110%,-4%) rotate(10deg);opacity:.25;z-index:3}
  32%{transform:translate(155%,-5%) rotate(12deg);opacity:0;z-index:3}
  33%{transform:translateY(-24px) scale(.92);opacity:0;z-index:1}
  35%,55%{transform:translateY(-24px) scale(.92);opacity:1;z-index:1}
  66%,88%{transform:translateY(-12px) scale(.96);opacity:1;z-index:2}
  100%{transform:translateY(0) scale(1);opacity:1;z-index:3}
}
@keyframes goL{
  0%,22%{transform:translateY(0) scale(1);opacity:1;z-index:3}
  24%{transform:translate(-3%,-1%) rotate(-2deg);opacity:1;z-index:3}
  30%{transform:translate(-110%,-4%) rotate(-10deg);opacity:.25;z-index:3}
  32%{transform:translate(-155%,-5%) rotate(-12deg);opacity:0;z-index:3}
  33%{transform:translateY(-24px) scale(.92);opacity:0;z-index:1}
  35%,55%{transform:translateY(-24px) scale(.92);opacity:1;z-index:1}
  66%,88%{transform:translateY(-12px) scale(.96);opacity:1;z-index:2}
  100%{transform:translateY(0) scale(1);opacity:1;z-index:3}
}
@keyframes stampIn{
  0%,19%{opacity:0}
  22%,29%{opacity:1}
  32%,100%{opacity:0}
}
.dcard{will-change:transform,opacity}
.demo.paused .dcard,.demo.paused .stamp{animation-play-state:paused}
.c1{animation:goR 10.8s var(--ease-settle) infinite}
.c2{animation:goL 10.8s var(--ease-settle) infinite;animation-delay:-7.2s}
.c3{animation:goR 10.8s var(--ease-settle) infinite;animation-delay:-3.6s}
.c1 .stamp{animation:stampIn 10.8s infinite}
.c2 .stamp{animation:stampIn 10.8s infinite;animation-delay:-7.2s}
.c3 .stamp{animation:stampIn 10.8s infinite;animation-delay:-3.6s}
@media (prefers-reduced-motion:reduce){
  .dcard,.stamp{animation:none!important}
  .c2{transform:translateY(-12px) scale(.96)}
  .c3{transform:translateY(-24px) scale(.92)}
  .c1{z-index:3}.c2{z-index:2}.c3{z-index:1}
}
@media(max-width:860px){
  .hero{padding:56px 0 8px}
  .hero .wrap{grid-template-columns:1fr;gap:0}
  .hero .wrap>div{min-width:0}
  .demo-wrap{padding:24px 0 32px}
  .demo{width:220px;height:314px}
  .stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;
    max-width:560px;margin-top:28px;padding-bottom:12px}
  .stats div{min-width:0;padding:12px 10px;border-radius:14px}
  .stats div b{font-size:clamp(18px,4.8vw,23px);line-height:1.2;margin-bottom:6px;white-space:nowrap}
  .stats div>span{display:block;font-size:12px;line-height:1.45;overflow-wrap:anywhere;hyphens:auto}
}
@media(max-width:360px){
  .stats div{padding-inline:6px}
  .stats div b{font-size:17px}
}

/* ---- sections ---- */
section{padding:96px 0}
section.alt{background:var(--paper-2)}
h2{font-size:clamp(28px,3.4vw,38px);line-height:1.15;letter-spacing:-.025em;margin:0 0 14px;font-weight:720}
h2.center,.center{text-align:center}
.deck{color:var(--ink-3);font-size:17px;line-height:1.65;margin:0 auto 52px;max-width:34em}
/* 章节 kicker：每个 section 标题上方一行序号 + 小标签，和功能块的 kicker 同一套 */
.sec-kicker{display:block;text-align:center;font-size:13px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);font-weight:650;margin:0 0 14px}
.sec-kicker b{font-weight:750;opacity:.5;margin-right:10px}
#get .sec-kicker{color:var(--peach)}
h3{font-size:20px;letter-spacing:-.012em;margin:0 0 8px;font-weight:650}

/* ---- features v2（2026-09-02 重排）----
   旧版五块「文字 + 浅紫面板 + 整屏截图」一模一样，滚下来像长表格。
   新版每块一个色相、面板带 hero 同款点阵、UI 元素浮到手机外面，
   第 3 块（清理方式）通栏，打破 5 次左右交替的机械节奏。 */
/* 色带（09-02 二次精修）：不再给每块扣一个圆角框，改成贯穿整页的色带，
   白 / 浅灰交替，「定价」用靛蓝浅色带；手机从色带下沿出血，浮标直接落在色带上。 */
.band{background:var(--paper)}
.band.alt{background:var(--paper-2)}
.band.tint{background:linear-gradient(180deg,#eef1ff,#e4e9ff)}
@media (prefers-color-scheme:dark){.band.tint{background:linear-gradient(180deg,#141a3e,#0f1330)}}
#features{padding-bottom:0}
#features>.wrap{padding-bottom:8px}
.feat{display:grid;grid-template-columns:1fr 440px;gap:72px;align-items:center;padding:56px 0 0}
.feat.rev{grid-template-columns:440px 1fr}
.feat.rev .feat-txt{order:2}
.feat.wide{grid-template-columns:1fr;gap:24px;text-align:center;padding-top:72px}
.feat.wide .feat-txt{max-width:40em;margin:0 auto}

.kicker{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-weight:650;margin:0 0 10px}
.feat h3{font-size:clamp(26px,2.9vw,34px);line-height:1.18;letter-spacing:-.024em;margin:0 0 16px;font-weight:720}
.feat p{color:var(--ink-2);margin:0;font-size:16px;line-height:1.7;max-width:30em}
.feat.wide p{margin:0 auto}

/* 面板：色相走每块自己的 --st-a/--st-b，点阵沿用 hero */
.stage{position:relative;height:470px;overflow:hidden;isolation:isolate;
  display:flex;justify-content:center;align-items:flex-start;padding-top:48px}
.stage::before{content:"";position:absolute;left:50%;top:54%;width:520px;height:520px;translate:-50% -50%;
  border-radius:50%;pointer-events:none;z-index:0;filter:blur(8px);
  background:radial-gradient(closest-side,var(--st-glow),rgba(76,111,255,.10) 55%,transparent 72%)}
.stage .device{width:250px;position:relative;z-index:1;
  box-shadow:0 40px 70px -24px rgba(10,13,31,.5),0 0 0 1px rgba(255,255,255,.1) inset}
.feat.wide .stage{height:500px;padding-top:40px}
.feat.wide .stage .device{width:270px}

/* 每块的色相 */
/* 色板收敛（09-02 精修）：五块面板之前五个色相（蓝/桃/紫/绿/深蓝），滚下来像调色板。
   现在只剩两种：靛蓝浅底 + 桃色高光；第五块「定价」沿用 hero 的深蓝，和底部 price 区呼应。 */
.f0,.f1,.f2,.f3{--st-a:#4c6fff;--st-b:var(--accent);--st-bg1:#eef1ff;--st-bg2:#e0e6ff;
  --st-glow:rgba(253,185,132,.42);--st-dot:rgba(42,63,216,.2)}
.f4{--st-a:#4c6fff;--st-b:var(--accent);--st-glow:rgba(253,185,132,.5)}
@media (prefers-color-scheme:dark){
  .f0,.f1,.f2,.f3{--st-bg1:#141a3e;--st-bg2:#0f1330;--st-dot:rgba(143,162,255,.22);--st-glow:rgba(253,185,132,.22)}
  }

/* 浮出手机外的 UI 元素：玻璃药丸 + 印章。各自慢慢上下浮 */
.chip{position:absolute;z-index:3;display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:999px;font-size:14px;font-weight:600;letter-spacing:-.005em;
  color:var(--ink);background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);
  box-shadow:0 1px 0 rgba(255,255,255,.7) inset,0 14px 30px -14px rgba(10,13,31,.45),0 0 0 1px rgba(10,13,31,.05);
  animation:chipFloat 6s ease-in-out infinite;white-space:nowrap}
.chip i{width:8px;height:8px;border-radius:50%;background:var(--st-a);flex:none;
  box-shadow:0 0 0 3px color-mix(in srgb,var(--st-a) 25%,transparent)}
.chip.big{font-size:15px;padding:11px 18px}
.chip.num{gap:10px}
.chip.num b{font-size:20px;font-weight:750;letter-spacing:-.02em;color:var(--st-b)}
@media (prefers-color-scheme:dark){
  .chip{background:rgba(24,28,52,.78);color:var(--ink);
    box-shadow:0 1px 0 rgba(255,255,255,.12) inset,0 14px 30px -14px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.08)}
  .chip.num b{color:var(--st-a)}
}
.stage .stamp{position:absolute;z-index:3;opacity:1;top:auto;font-size:22px;padding:6px 16px;
  animation:chipFloat 7s ease-in-out infinite;box-shadow:0 18px 34px -16px rgba(10,13,31,.5)}
.stage .stamp.keep{left:6%;top:38%;transform:rotate(-12deg)}
.stage .stamp.del{right:6%;top:24%;transform:rotate(12deg);animation-delay:-3s}
@keyframes chipFloat{0%,100%{translate:0 0}50%{translate:0 -6px}}
.chip:nth-child(3){animation-delay:-2s}.chip:nth-child(4){animation-delay:-4s}
.chip:nth-child(5){animation-delay:-1s}.chip:nth-child(6){animation-delay:-5s}

/* 各块的元素落点（相对面板）。第 1 块手机靠右下出血，第 2 块靠左 */
.f0 .stage .device{margin-left:10%}
.f0 .chip.a{left:7%;top:12%}
.f0 .chip.b{left:5%;top:62%}
.f0 .chip.c{right:6%;bottom:9%}
.f1 .stage .device{margin-right:6%}
.f1 .chip.a{left:7%;bottom:10%}
.f2 .chip.a{left:9%;top:14%}
.f2 .chip.b{right:9%;top:14%}
.f2 .chip.c{left:5%;top:44%}
.f2 .chip.d{right:5%;top:44%}
.f2 .chip.e{left:8%;bottom:12%}
.f2 .chip.f{right:8%;bottom:12%}
.f2 .chip.g{left:50%;top:2%;translate:-50% 0}
.f2 .chip.h{left:50%;bottom:2%;translate:-50% 0;animation:none}
.f3 .stage .device{margin-left:10%}
.f3 .chip.a{left:6%;top:14%}
.f3 .chip.b{left:5%;top:60%}
.f3 .chip.c{right:6%;bottom:10%}
.f4 .stage .device{margin-left:10%}
.f4 .chip.a{left:6%;top:12%}
.f4 .chip.b{left:5%;top:58%}
.f4 .chip.c{right:5%;bottom:9%}
.f5{--st-a:#4c6fff;--st-b:var(--accent);--st-glow:rgba(253,185,132,.5)}
.f5 .stage .device{margin-right:6%}
.f5 .chip.a{left:7%;top:12%}
.f5 .chip.b{left:7%;top:60%}
.f5 .chip.c{right:6%;bottom:9%}

@media(max-width:860px){
  .feat,.feat.rev,.feat.wide{grid-template-columns:1fr;gap:22px;padding:48px 0 0}
  .feat.rev .feat-txt{order:0}
  .stage,.feat.wide .stage{height:400px;padding-top:28px}
  .stage::before{width:380px;height:380px}
  .stage .device,.feat.wide .stage .device{width:212px}
  .f0 .stage .device,.f3 .stage .device,.f4 .stage .device,.f5 .stage .device{margin:0}
  .chip{font-size:13px;padding:8px 12px;white-space:normal;max-width:62%;text-align:left}
  .chip.big{font-size:14px}
  .stage .stamp{font-size:18px}
  .f2 .chip.c,.f2 .chip.d{top:auto;bottom:26%}
  .f2 .chip.e,.f2 .chip.f{bottom:6%}
  .f2 .chip.g,.f2 .chip.h{display:none}
}
@media (prefers-reduced-motion:reduce){.chip,.stage .stamp{animation:none}}

/* ---- 三步：时间线（09-02 重排）。三张等高白卡和「四承诺」长得一样，两块相邻就是重复；
   改成一条穿过三个序号的渐变线，卡片边框去掉，只留序号 + 标题 + 一句话。 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;counter-reset:s;padding:0;margin:0;position:relative}
.steps::before{content:"";position:absolute;left:8%;right:8%;top:23px;height:2px;
  background:linear-gradient(90deg,var(--navy-2),var(--accent) 55%,var(--peach));opacity:.55}
.steps li{list-style:none;counter-increment:s;position:relative;padding:0 8px}
.steps li::before{content:counter(s,decimal-leading-zero);position:relative;z-index:1;
  display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;
  font-weight:750;font-size:15px;letter-spacing:.02em;margin:0 0 22px;
  background:linear-gradient(150deg,var(--navy),#2b1f8e);color:#fff;
  box-shadow:0 0 0 6px var(--paper-2),0 10px 22px -10px rgba(1,18,138,.6)}
section:not(.alt) .steps li::before{box-shadow:0 0 0 6px var(--paper),0 10px 22px -10px rgba(1,18,138,.6)}
.steps h3{font-size:20px;margin:0 0 8px}
.steps p{margin:0;color:var(--ink-2);font-size:16px;line-height:1.7}
@media(max-width:760px){
  .steps{grid-template-columns:1fr;gap:28px}
  .steps::before{left:23px;right:auto;top:8%;bottom:8%;width:2px;height:auto;
    background:linear-gradient(180deg,var(--navy-2),var(--accent) 55%,var(--peach))}
  .steps li{padding:0 0 0 68px}
  .steps li::before{position:absolute;left:0;top:-4px;margin:0}
}

/* ---- 对比表：卡片化，「照片留白」整列着色 + ✓，同类列 ✕ 灰 ---- */
#compare{background:linear-gradient(180deg,#eef1ff,#e4e9ff)}
@media (prefers-color-scheme:dark){#compare{background:linear-gradient(180deg,#141a3e,#0f1330)}}
.cmp-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.cmp{width:100%;border-collapse:separate;border-spacing:0;font-size:17px;min-width:600px}
table.cmp th,table.cmp td{padding:22px 26px;border-bottom:1px solid rgba(42,63,216,.14);text-align:left;vertical-align:top}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp thead th{font-size:13px;color:var(--ink-3);font-weight:650;letter-spacing:.06em;text-transform:uppercase;
  padding-top:18px;padding-bottom:14px}
table.cmp thead th:nth-child(2){color:var(--accent)}
table.cmp th:nth-child(2),table.cmp td:nth-child(2){background:rgba(255,255,255,.62)}
table.cmp thead th:nth-child(2){border-radius:18px 18px 0 0}
table.cmp tbody tr:last-child td:nth-child(2){border-radius:0 0 18px 18px}
@media (prefers-color-scheme:dark){table.cmp th:nth-child(2),table.cmp td:nth-child(2){background:rgba(255,255,255,.06)}}
table.cmp td:first-child{color:var(--ink-3);width:24%;font-size:16px}
table.cmp td:nth-child(2){font-weight:600;color:var(--ink)}
table.cmp td:last-child{color:var(--ink-3)}
table.cmp td:nth-child(2),table.cmp td:last-child{padding-left:56px}
/* 图标绝对定位，钉在第一行文字的中线：inline 方案跟基线走，多行时总是偏低 */
table.cmp td:nth-child(2),table.cmp td:last-child{position:relative}
table.cmp td:nth-child(2)::before,table.cmp td:last-child::before{
  position:absolute;left:26px;top:calc(22px + .35em);width:20px;height:20px;border-radius:50%}
table.cmp td:nth-child(2)::before{content:"";background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E") center/12px no-repeat}
table.cmp td:last-child::before{content:"";background:var(--rule) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7194' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M7 7l10 10M17 7L7 17'/%3E%3C/svg%3E") center/10px no-repeat}

/* ---- 四承诺：宣言式排版。去卡片、去边框，大号淡序号 + 左侧渐变竖线 ---- */
.promise{display:grid;grid-template-columns:repeat(2,1fr);gap:44px 56px}
.promise div{position:relative;padding:6px 0 0 24px;border-left:3px solid transparent;
  border-image:linear-gradient(180deg,var(--navy-2),var(--accent) 60%,var(--peach)) 1}
.promise div::before{content:"0" counter(p);counter-increment:p;position:absolute;right:0;top:-18px;
  font-size:64px;font-weight:800;letter-spacing:-.04em;line-height:1;
  color:var(--ink);opacity:.06;pointer-events:none}
.promise{counter-reset:p}
.promise h3{font-size:22px;margin:0 0 10px;letter-spacing:-.015em}
.promise p{margin:0;color:var(--ink-2);font-size:16px;line-height:1.7}
@media(max-width:760px){.promise{grid-template-columns:1fr;gap:34px}}
/* 手机版对比表：横向滚动的表格在手机上像个附件，改成一行一张卡 */
@media(max-width:760px){
  .cmp-wrap{overflow:visible}
  table.cmp{min-width:0;display:block;border-spacing:0}
  table.cmp thead{display:none}
  table.cmp tbody,table.cmp tr{display:block}
  table.cmp tr{background:var(--paper);border-radius:18px;padding:8px 18px 14px;margin:0 0 12px;
    box-shadow:0 1px 2px rgba(10,13,31,.05),0 10px 24px -14px rgba(10,13,31,.18)}
  table.cmp td{display:block;border-bottom:0;background:none;border-radius:0}
  table.cmp td:first-child{width:auto;padding:10px 0 4px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
  table.cmp td:nth-child(2),table.cmp td:last-child{padding:10px 0 10px 30px;font-size:16px}
  table.cmp td:nth-child(2)::before,table.cmp td:last-child::before{left:0;top:calc(10px + .3em)}
  table.cmp td:nth-child(2){border-bottom:1px solid var(--rule)}
  table.cmp thead th:nth-child(2),table.cmp tbody tr:last-child td:nth-child(2){border-radius:0}
}

#get{position:relative;overflow:hidden;padding:104px 0;color:#fff;
  background:
    radial-gradient(560px 300px at 80% -20%,rgba(84,60,220,.6),transparent 65%),
    radial-gradient(480px 280px at 8% 118%,rgba(253,185,132,.30),transparent 62%),
    linear-gradient(168deg,var(--navy),var(--navy-2))}
#get::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.13) 1px,transparent 1px);background-size:24px 24px;
  mask-image:radial-gradient(70% 90% at 50% 0%,#000,transparent 80%);
  -webkit-mask-image:radial-gradient(70% 90% at 50% 0%,#000,transparent 80%)}
.price{text-align:center;position:relative}
.price h2{color:#fff;position:relative}
.price p{color:rgba(255,255,255,.78);max-width:32em;margin:0 auto 28px;position:relative}
.price .cta{margin-top:6px;position:relative}

.faq{max-width:760px;margin:0 auto}
.faq details{border-bottom:1px solid var(--rule);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;
  justify-content:space-between;gap:18px;align-items:flex-start;min-height:26px;
  transition:color var(--motion-fast);touch-action:manipulation}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:0 0 18px;width:18px;height:18px;margin-top:5px;
  background:linear-gradient(var(--ink-3),var(--ink-3)) center/12px 1.5px no-repeat,
    linear-gradient(var(--ink-3),var(--ink-3)) center/1.5px 12px no-repeat;
  transition:background-size var(--motion-fast) var(--ease-settle),transform var(--motion-fast) var(--ease-settle)}
.faq details[open]:not([data-expanded="false"]) summary{color:var(--accent)}
.faq details[open]:not([data-expanded="false"]) summary::after{background-size:12px 1.5px,1.5px 0;transform:rotate(180deg)}
.faq-answer{display:flow-root}
.faq details p{color:var(--ink-2);margin:12px 0 0;font-size:16px}
@media(hover:hover){.faq summary:hover{color:var(--accent)}}

/* 滚动浮现只播一次；短位移和短错峰让文字先到，图片紧随其后。 */
.rv{opacity:0;transform:translateY(10px);
  transition:opacity var(--motion-reveal) var(--ease-settle),transform var(--motion-reveal) var(--ease-settle);
  will-change:opacity,transform}
.rv.in{opacity:1;transform:none;will-change:auto}
.feat.rv{opacity:1;transform:none;will-change:auto}
.feat.rv .feat-txt,.feat.rv .stage{opacity:0;transform:translateY(12px);
  transition:opacity var(--motion-reveal) var(--ease-settle),transform var(--motion-reveal) var(--ease-settle)}
.feat.rv .stage{transition-delay:70ms}
.feat.rv.in .feat-txt,.feat.rv.in .stage{opacity:1;transform:none}
.steps li.rv,.promise div.rv{
  transition:opacity var(--motion-reveal) var(--ease-settle),transform var(--motion-reveal) var(--ease-settle)}
.no-js .rv,.no-js .feat.rv .feat-txt,.no-js .feat.rv .stage{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv,.feat.rv .feat-txt,.feat.rv .stage{opacity:1;transform:none;transition:none}
  .cta,.cta-arrow,.top nav a::after,.langsel summary,.langsel summary::after,
  .faq summary,.faq summary::after{transition:none}
  .cta:hover,.cta:active,.cta:hover .cta-arrow{transform:none}
  .langsel[open] ul{animation:none}
}

/* 手机先显示内容：不让滚动阅读等待浮现，也不持续合成背景毛玻璃。
   保留首屏滑卡演示；功能截图上的装饰标签改为静态，布局与信息不变。 */
@media(max-width:860px){
  .rv,.feat.rv .feat-txt,.feat.rv .stage{
    opacity:1;transform:none;transition:none!important;will-change:auto}
  .chip,.stage .stamp{animation:none!important}
  header.top{background:var(--paper);backdrop-filter:none;-webkit-backdrop-filter:none}
  .stats div,.chip{backdrop-filter:none;-webkit-backdrop-filter:none}
}

/* 文本章节保持真实高度，避免 content-visibility 的估算高度让锚点跳到章节中段。
   大图仍用原生 loading=lazy，并在 HTML 中预留尺寸。 */

footer.site{border-top:1px solid var(--rule);padding:44px 0 60px;color:var(--ink-3);font-size:15px}
footer.site .cols{display:flex;flex-wrap:wrap;gap:14px 26px;margin:0 0 22px}
footer.site .langs{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:14px;margin:0 0 20px}
footer.site .langs a{color:var(--ink-3)}
footer.site small{display:block;font-size:13px;line-height:1.7}

/* ---- 法务区（隐私 / 支持），锚点被 App 内链接依赖，勿改 id ----
   默认整块不显示：营销页读者不该在 FAQ 后面撞见一整篇隐私政策。
   只有 URL 带 #privacy / #support / #privacy-en / #support-en 时，
   :target 命中的那一节才展开——App 里那两个链接正是这么进来的。
   纯 CSS，不依赖 JS，也不用 :has()。改这段前先想清楚锚点契约。 */
#legal{background:var(--paper-2)}
#legal > section{display:none;padding:0;max-width:720px;margin:0 auto}
#legal > section:target{display:block;padding:72px 24px 88px}
#legal h2.sec{font-size:26px;margin:0 0 6px}
#legal .sub{color:var(--ink-3);font-size:14px;margin:0 0 26px}
#legal h3{font-size:17px;margin:26px 0 8px}
#legal p,#legal li{color:var(--ink-2);font-size:16px}
#legal ul{padding-left:1.2rem}
#legal li{margin:.35rem 0}
#legal .lede{border-left:3px solid var(--accent);padding:.1rem 0 .1rem 1rem;margin:0 0 1.6rem;
  font-size:17px;color:var(--ink)}
#legal .contact{background:var(--paper);border:1px solid var(--rule);border-radius:12px;
  padding:18px 20px;margin:24px 0}
#legal .contact p{margin:.3rem 0}
#legal .q{font-weight:600;margin:22px 0 4px;color:var(--ink)}
#legal .nav{display:flex;gap:18px;margin:0 0 32px;font-size:15px;flex-wrap:wrap;
  padding:0 0 20px;border-bottom:1px solid var(--rule)}
#legal .navsep{color:var(--ink-3)}
#legal .backhome{margin-left:auto;color:var(--ink-3)}

/* ---- 文章页（/blog/）---- */
.art{max-width:720px;margin:0 auto;padding:64px 24px 24px}
.art .crumb{font-size:14px;color:var(--ink-3);margin:0 0 18px}
.art .crumb a{color:var(--ink-3)}
.art h1{font-size:clamp(30px,4.4vw,42px);line-height:1.18;letter-spacing:-.022em;margin:0 0 12px;font-weight:700}
.art .byline{font-size:14px;color:var(--ink-3);margin:0 0 36px;padding:0 0 24px;border-bottom:1px solid var(--rule)}
.art h2{font-size:clamp(22px,2.8vw,27px);margin:44px 0 12px}
.art p{color:var(--ink-2);margin:0 0 18px}
.art ul{padding-left:1.25rem;margin:0 0 18px}
.art li{color:var(--ink-2);margin:.5rem 0}
.art .tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 22px;
  border:1px solid var(--rule);border-radius:var(--radius)}
.art table.tbl{width:100%;border-collapse:collapse;font-size:15px;min-width:720px;background:var(--paper)}
/* 宽表（五列对照表）在 720px 正文宽里会挤成每格换五行。大屏上让它居中突破正文宽度，
   窄屏维持容器内横向滚动。这是对照表能被读懂、被截图引用的前提。 */
@media (min-width:1080px){
  .art .tbl-wrap{width:min(100vw - 64px,1060px);margin-left:50%;transform:translateX(-50%)}
}
.art table.tbl th,.art table.tbl td{padding:14px 16px;text-align:left;vertical-align:top;
  border-bottom:1px solid var(--rule)}
.art table.tbl thead th{font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink-3);font-weight:650;background:var(--paper-2);white-space:nowrap}
.art table.tbl tbody tr:last-child td{border-bottom:0}
.art table.tbl td:first-child{font-weight:600;color:var(--ink)}
.art table.tbl td{color:var(--ink-2)}
.art .tbl-note{font-size:13px;color:var(--ink-3);margin:-14px 0 22px}
@media (prefers-color-scheme:dark){
  .art table.tbl{background:transparent}
  .art table.tbl thead th{background:rgba(255,255,255,.04)}
}
.art-related{max-width:720px;margin:8px auto 0;padding:28px 24px 0;border-top:1px solid var(--rule)}
.art-related h2{font-size:15px;letter-spacing:.02em;color:var(--ink-3);margin:0 0 10px;font-weight:600}
.art-related ul{list-style:none;margin:0;padding:0}
.art-related li{margin:0 0 8px;font-size:16px}
.art-cta{max-width:720px;margin:24px auto 0;padding:0 24px 72px}
.art-cta .price{padding:44px 28px}
.art-cta .price p{margin-bottom:22px}
.bloglist{max-width:720px;margin:0 auto;padding:64px 24px 88px}
.bloglist h1{font-size:clamp(30px,4.4vw,42px);letter-spacing:-.022em;margin:0 0 10px}
.bloglist .deck{margin-bottom:40px}
.bloglist article{border-bottom:1px solid var(--rule);padding:26px 0}
.bloglist article h2{font-size:22px;margin:0 0 8px}
.bloglist article p{color:var(--ink-2);margin:0 0 6px;font-size:16px}
.bloglist article time{font-size:13px;color:var(--ink-3)}