/* Shizuku 中文站 · shizukutool.cn */
:root{
  --navy:#151b48;--ink:#171a37;--indigo:#3d4ed8;--indigo-deep:#2937a8;
  --blue:#536dfe;--violet:#7757ff;--cyan:#46cfe4;--mint:#38c9a0;
  --bg:#fbfcff;--bg-soft:#f5f6ff;--bg-lav:#efefff;--surface:#fff;
  --line:#e4e6f5;--line-strong:#d5d9f1;--text:#171a37;--text-2:#505777;--muted:#7b84a5;
  --grad-brand:linear-gradient(135deg,#3548d5 0%,#5a64f5 48%,#8065ff 100%);
  --grad-cta:linear-gradient(135deg,#3d50e3 0%,#7058ff 100%);
  --grad-cyan:linear-gradient(135deg,#4a63ed 0%,#40cfe3 100%);
  --shadow-sm:0 10px 24px -16px rgba(38,50,135,.34);
  --shadow-md:0 22px 54px -30px rgba(37,49,134,.42);
  --shadow-lg:0 34px 84px -40px rgba(36,47,128,.48);
  --shadow-glow:0 18px 42px -18px rgba(68,81,225,.58);
  --radius:24px;--radius-sm:16px;--frame:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;color:var(--text);background:var(--bg);font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:16px;line-height:1.75;letter-spacing:.01em;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.22;margin:0;letter-spacing:.015em}
p{margin:0}ul,ol,dl,dd,dt{margin:0;padding:0;list-style:none}
strong{font-weight:750}button{font:inherit}
::selection{background:rgba(83,109,254,.2)}
:focus-visible{outline:2px solid var(--indigo);outline-offset:3px;border-radius:8px}
.frame{width:min(100% - 40px,var(--frame));margin-inline:auto}
.skip-link{position:absolute;left:-9999px;top:0;z-index:999;padding:10px 18px;border-radius:0 0 12px 0;background:var(--indigo);color:#fff;font-weight:700}
.skip-link:focus{left:0}

/* header */
.mast{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.78);border-bottom:1px solid rgba(228,230,245,.85);backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);transition:box-shadow .25s,background .25s}
.mast.is-scrolled{background:rgba(255,255,255,.92);box-shadow:0 12px 36px -26px rgba(36,47,128,.5)}
.mast-row{display:flex;align-items:center;gap:24px;min-height:72px}
.mark{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.mark-logo{width:42px;height:42px;border-radius:50%;box-shadow:0 8px 22px -10px rgba(55,70,200,.62)}
.mark-text{display:flex;align-items:center;gap:7px;color:var(--navy);font-size:19px;font-weight:850;letter-spacing:.035em;white-space:nowrap}
.mark-text small{padding:3px 7px;border-radius:7px;color:var(--indigo);background:#eef0ff;font-size:10px;font-weight:800;letter-spacing:.08em}
.rail{display:flex;align-items:center;gap:2px;margin-left:auto}
.rail a{padding:9px 14px;border-radius:999px;color:var(--text-2);font-size:14.5px;font-weight:600;transition:color .2s,background .2s}
.rail a:hover{color:var(--indigo);background:rgba(83,109,254,.08)}
.pill-dl{flex:0 0 auto;padding:10px 21px;border-radius:999px;color:#fff;background:var(--grad-cta);font-size:14.5px;font-weight:750;box-shadow:var(--shadow-glow);transition:transform .22s,box-shadow .22s}
.pill-dl:hover{transform:translateY(-2px);box-shadow:0 22px 46px -18px rgba(68,81,225,.72)}
.burger{display:none;width:42px;height:42px;padding:11px 10px;flex-direction:column;justify-content:space-between;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer}
.burger span{display:block;height:2px;border-radius:2px;background:var(--indigo);transition:transform .2s,opacity .2s}

/* hero */
.hero{position:relative;isolation:isolate;overflow:hidden;padding:76px 0 92px;background:radial-gradient(58% 58% at 50% -4%,rgba(119,87,255,.18),transparent 66%),radial-gradient(38% 44% at 12% 18%,rgba(70,207,228,.16),transparent 68%),radial-gradient(42% 44% at 90% 22%,rgba(83,109,254,.14),transparent 66%),linear-gradient(180deg,#fbfcff 0%,#f8f9ff 68%,#fff 100%)}
.hero-atmosphere{position:absolute;inset:0;z-index:-1;pointer-events:none}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(73,86,190,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(73,86,190,.055) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(68% 58% at 50% 18%,#000 18%,transparent 78%);-webkit-mask-image:radial-gradient(68% 58% at 50% 18%,#000 18%,transparent 78%)}
.orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.7}
.orb-a{width:310px;height:310px;left:-160px;top:170px;background:radial-gradient(circle,rgba(70,207,228,.24),rgba(70,207,228,0) 68%)}
.orb-b{width:380px;height:380px;right:-190px;top:40px;background:radial-gradient(circle,rgba(119,87,255,.2),rgba(119,87,255,0) 68%)}
.hero-core{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;text-align:center}
.hero-logo-wrap{position:relative;display:inline-flex;margin-bottom:19px}
.hero-logo{width:132px;height:132px;border-radius:50%;border:8px solid rgba(255,255,255,.9);box-shadow:0 28px 62px -26px rgba(48,62,187,.72),0 0 0 1px rgba(75,89,196,.08);background:#fff;animation:float-logo 5.6s ease-in-out infinite}
@keyframes float-logo{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.hero-ribbon{position:absolute;right:-43px;top:8px;transform:rotate(10deg);padding:5px 12px;border-radius:8px;color:#fff;background:var(--grad-cta);font-size:11px;font-weight:800;letter-spacing:.06em;box-shadow:0 12px 24px -12px rgba(66,81,216,.9)}
.hero-badge{display:inline-flex;align-items:center;gap:8px;margin-bottom:15px;padding:7px 15px;border-radius:999px;color:var(--indigo);background:rgba(255,255,255,.7);border:1px solid rgba(185,191,235,.72);font-size:12.5px;font-weight:650;letter-spacing:.055em;box-shadow:0 8px 22px -18px rgba(48,62,187,.6);backdrop-filter:blur(8px)}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(56,201,160,.12)}
.hero-brand{font-size:clamp(54px,8.2vw,94px);font-weight:900;letter-spacing:.02em;background:linear-gradient(128deg,#1d2670 4%,#3b4dd4 46%,#7659ff 82%,#39bfd7 120%);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 16px 32px rgba(63,79,206,.15))}
.hero-lead{margin-top:16px;max-width:760px;color:var(--text-2);font-size:clamp(17px,2.1vw,21px);font-weight:500}
.hero-sub{margin-top:10px;color:var(--muted);font-size:14px;letter-spacing:.13em}
.hero-cta{margin-top:30px;display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.hero-trust{margin-top:24px;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 22px;color:var(--muted);font-size:13px}
.hero-trust li{display:flex;align-items:center;gap:7px}
.hero-trust li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--grad-cyan)}
.float-card{position:absolute;z-index:2;display:flex;align-items:center;gap:12px;padding:13px 16px;border:1px solid rgba(214,219,243,.9);border-radius:16px;background:rgba(255,255,255,.76);box-shadow:0 20px 44px -30px rgba(45,58,165,.48);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);text-align:left;pointer-events:none}
.float-card strong{display:block;color:var(--text);font-size:12.5px;line-height:1.4}
.float-card small{display:block;margin-top:2px;color:var(--muted);font-size:10.5px;line-height:1.4}
.float-icon{width:34px;height:34px;flex:0 0 auto;display:grid;place-items:center;border-radius:11px;color:var(--indigo);background:#eef0ff;font-size:15px;font-weight:900}
.float-a{left:4%;top:33%;animation:float-card-a 6s ease-in-out infinite}
.float-b{right:3%;top:29%;animation:float-card-b 7s ease-in-out infinite}
.float-c{right:9%;bottom:14%;animation:float-card-a 7.4s ease-in-out infinite reverse}
@keyframes float-card-a{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes float-card-b{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}

/* buttons */
.btn-primary,.btn-ghost,.btn-light{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:13px 28px;border:1px solid transparent;border-radius:999px;font-size:15.5px;font-weight:750;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s,border-color .22s}
.btn-primary{color:#fff;background:var(--grad-cta);box-shadow:0 18px 38px -18px rgba(68,81,225,.76)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 24px 48px -18px rgba(68,81,225,.88)}
.btn-ghost{color:var(--indigo);background:rgba(255,255,255,.76);border-color:var(--line-strong)}
.btn-ghost:hover{transform:translateY(-3px);background:#fff;border-color:#c4c9ee;box-shadow:var(--shadow-sm)}
.btn-light{color:var(--navy);background:#fff;box-shadow:0 18px 40px -22px rgba(11,18,75,.55);text-decoration:none}
.btn-light:hover{transform:translateY(-3px);background:#f9faff}
.btn-block{width:100%}

/* metrics */
.metric-wrap{position:relative;z-index:4;margin-top:-42px}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);padding:8px;border:1px solid rgba(218,222,244,.9);border-radius:24px;background:rgba(255,255,255,.9);box-shadow:var(--shadow-md);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.metric{padding:18px 24px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric strong{display:block;color:var(--navy);font-size:21px;font-weight:850;line-height:1.3;letter-spacing:-.01em}
.metric span{display:block;margin-top:3px;color:var(--muted);font-size:12.5px}

/* common sections */
section{position:relative;padding:86px 0}
.block-head{max-width:760px;margin-bottom:42px}
.block-head.center{margin-inline:auto;text-align:center}
.section-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:11px;color:var(--indigo);font-size:11.5px;font-weight:800;letter-spacing:.18em;text-transform:uppercase}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-cyan)}
.block-head h2{font-size:clamp(27px,3.5vw,39px);font-weight:900;letter-spacing:.025em;color:var(--navy)}
.block-head h2 em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.block-head p{margin-top:14px;color:var(--muted);font-size:15.5px}
.block-head.center p{margin-inline:auto;max-width:640px}

/* gallery */
.gallery{padding-top:98px;background:#fff}
.shot-track{display:flex;align-items:flex-start;justify-content:center;gap:30px;overflow-x:auto;padding:6px 4px 28px;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:#c8cdee transparent}
.shot-track::-webkit-scrollbar{height:6px}
.shot-track::-webkit-scrollbar-thumb{background:#c8cdee;border-radius:6px}
.shot{width:284px;flex:0 0 auto;scroll-snap-align:center;text-align:center}
.phone-frame{position:relative;padding:8px;border-radius:34px;background:linear-gradient(145deg,#202958,#0f1534);box-shadow:0 32px 60px -32px rgba(31,43,130,.58),0 0 0 1px rgba(255,255,255,.2) inset;transition:transform .35s,box-shadow .35s}
.phone-frame::before{content:"";position:absolute;z-index:2;left:50%;top:13px;width:66px;height:5px;border-radius:999px;background:rgba(255,255,255,.18);transform:translateX(-50%)}
.phone-frame img{width:100%;border-radius:27px;background:#fff}
.shot:nth-child(2) .phone-frame{transform:translateY(18px)}
.shot:hover .phone-frame{transform:translateY(-7px);box-shadow:0 38px 74px -30px rgba(31,43,130,.66),0 0 0 1px rgba(255,255,255,.24) inset}
.shot:nth-child(2):hover .phone-frame{transform:translateY(10px)}
.shot figcaption{margin-top:18px;color:var(--text-2);font-size:13.5px;font-weight:650}
.shot figcaption span{display:inline-block;margin-right:7px;padding:2px 7px;border-radius:6px;color:var(--indigo);background:#eef0ff;font-size:10px;font-weight:800;letter-spacing:.06em;vertical-align:1px}

/* abilities */
.ability{background:linear-gradient(180deg,#f6f7ff 0%,#fbfbff 100%)}
.ability-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ability-item{position:relative;overflow:hidden;padding:30px 26px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.78);box-shadow:0 16px 40px -34px rgba(35,47,132,.38);transition:transform .3s,border-color .3s,box-shadow .3s}
.ability-item::after{content:"";position:absolute;right:-50px;bottom:-60px;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,rgba(83,109,254,.12),transparent 68%)}
.ability-item:hover{transform:translateY(-6px);border-color:#cfd4f1;box-shadow:0 28px 54px -34px rgba(35,47,132,.55)}
.ability-index{display:inline-grid;place-items:center;width:38px;height:38px;margin-bottom:18px;border-radius:12px;color:var(--indigo);background:#eef0ff;font-size:12px;font-weight:850;letter-spacing:.06em}
.ability-item:nth-child(2) .ability-index{color:#0e8e9f;background:#e6fafd}
.ability-item:nth-child(3) .ability-index{color:#6540d8;background:#f1ebff}
.ability-item:nth-child(4) .ability-index{color:#138c69;background:#e8fbf4}
.ability-item h3{margin-bottom:9px;color:var(--navy);font-size:18px;font-weight:800}
.ability-item p{color:var(--muted);font-size:14px;line-height:1.8}

/* resource cards */
.resource{background:#fff}
.cat-chips{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px}
.cat-chip{padding:7px 14px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:#fafbff;font-size:12.5px;font-weight:650;transition:color .2s,border-color .2s,background .2s}
.cat-chip:hover,.cat-chip.is-on{color:#fff;border-color:transparent;background:var(--grad-brand)}
.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tool-card{display:flex;flex-direction:column;padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 16px 42px -38px rgba(35,47,132,.4);transition:transform .28s,border-color .28s,box-shadow .28s}
.tool-card:hover{transform:translateY(-5px);border-color:#cfd4f1;box-shadow:0 26px 52px -34px rgba(35,47,132,.52)}
.tool-head{display:flex;align-items:center;gap:13px;margin-bottom:14px}
.tool-ico{width:44px;height:44px;flex:0 0 auto;display:grid;place-items:center;border-radius:13px;color:#fff;background:var(--grad-brand);font-size:14px;font-weight:850;box-shadow:0 12px 24px -14px rgba(66,81,216,.72)}
.tool-ico.cyan{background:var(--grad-cyan)}
.tool-ico.violet{background:linear-gradient(135deg,#7458f8,#b45cff)}
.tool-ico.mint{background:linear-gradient(135deg,#22b493,#54d6ae)}
.tool-ico.amber{background:linear-gradient(135deg,#f1a23c,#ff7a68)}
.tool-ico.rose{background:linear-gradient(135deg,#f2679c,#ff8d78)}
.tool-name{color:var(--navy);font-size:16px;font-weight:800;line-height:1.35}
.tool-name a:hover{color:var(--indigo)}
.tool-meta{margin-top:3px;color:var(--muted);font-size:11.5px;letter-spacing:.04em}
.tool-card>p{min-height:50px;color:var(--muted);font-size:13.5px;line-height:1.75}
.tool-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.tool-tag{padding:3px 8px;border-radius:6px;color:#657092;background:#f4f5fb;font-size:10.5px;font-weight:650}
.tool-tag.hot{color:#b44a2f;background:#fff0eb}
.tool-tag.new{color:#176a58;background:#e7faf3}
.tool-tag.beta{color:#6540d8;background:#f0ebff}
.tool-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding-top:16px;border-top:1px dashed var(--line)}
.tool-ver{color:var(--muted);font-size:11.5px;font-weight:600}
.dl-mini{padding:6px 14px;border-radius:999px;color:var(--indigo);background:#eef0ff;font-size:12px;font-weight:750;transition:color .2s,background .2s}
.dl-mini:hover{color:#fff;background:var(--grad-cta)}

/* ranking */
.ranking{background:linear-gradient(180deg,#f6f7ff,#fbfcff)}
.rank-wrap{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.rank-col{padding:28px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.88);box-shadow:0 18px 44px -38px rgba(35,47,132,.44)}
.rank-col h3{display:flex;align-items:center;gap:9px;margin-bottom:17px;color:var(--navy);font-size:18px;font-weight:850}
.rank-col h3::before{content:"";width:6px;height:18px;border-radius:4px;background:var(--grad-cyan)}
.rank-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px dashed var(--line)}
.rank-row:first-of-type{border-top:0}
.rank-no{width:31px;height:31px;flex:0 0 auto;display:grid;place-items:center;border-radius:9px;color:var(--indigo);background:#eef0ff;font-size:11.5px;font-weight:850}
.rank-row:nth-child(2) .rank-no{color:#fff;background:var(--grad-brand)}
.rank-row:nth-child(3) .rank-no{color:#fff;background:linear-gradient(135deg,#5570ed,#56cde0)}
.rank-main{flex:1;min-width:0}
.rank-main strong{display:block;color:var(--text);font-size:14px;font-weight:750;line-height:1.45}
.rank-main strong a:hover{color:var(--indigo)}
.rank-main small{display:block;color:var(--muted);font-size:11.5px;line-height:1.5}
.rank-count{flex:0 0 auto;color:var(--muted);font-size:11.5px;font-weight:600;white-space:nowrap}
.rank-note{margin-top:21px;color:var(--muted);font-size:11.5px;text-align:center}
.rank-wrap.single{grid-template-columns:1fr;max-width:920px;margin-inline:auto}
.rank-wrap.single .rank-row{padding:15px 0}
.rank-wrap.single .rank-main strong{font-size:15px}
.rank-wrap.single .rank-main small{font-size:12px}
.rank-wrap.single .dl-mini{flex:0 0 auto}
.rank-col h3.rank-subtitle{margin-top:24px;padding-top:20px;border-top:1px solid var(--line);font-size:15.5px}
.rank-subnote{margin:-6px 0 8px;color:var(--muted);font-size:11.5px;line-height:1.65}
.rank-details{margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.rank-details summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 15px;border:1px solid var(--line);border-radius:12px;background:#f8f9ff;color:var(--navy);font-size:12.5px;font-weight:750;cursor:pointer;list-style:none;transition:border-color .2s,background .2s}
.rank-details summary:hover{border-color:#cfd4f1;background:#f4f6ff}
.rank-details summary::-webkit-details-marker{display:none}
.rank-details summary::after{content:"+";width:24px;height:24px;flex:0 0 auto;display:grid;place-items:center;border-radius:7px;color:var(--indigo);background:#eef0ff;font-size:15px;font-weight:500}
.rank-details[open] summary::after{content:"−"}
.rank-details-hint{font-size:11px;font-weight:600;color:var(--muted)}
.rank-details-toggle{display:inline-flex;min-width:0}
.rank-details .when-open{display:none}
.rank-details[open] .when-closed{display:none}
.rank-details[open] .when-open{display:inline}

/* download */
.download{padding-top:0;background:linear-gradient(180deg,#fbfcff,#fff)}
.download-panel{position:relative;overflow:hidden;display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center;padding:52px;border-radius:30px;color:#fff;background:linear-gradient(135deg,#141b4d 0%,#202b75 52%,#303fa6 100%);box-shadow:0 36px 80px -44px rgba(22,31,96,.82)}
.download-panel::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(44% 70% at 92% 0%,rgba(70,207,228,.24),transparent 64%),radial-gradient(38% 58% at 0% 100%,rgba(119,87,255,.28),transparent 68%)}
.download-panel::after{content:"";position:absolute;right:-110px;top:-110px;width:310px;height:310px;border:1px solid rgba(255,255,255,.09);border-radius:50%;box-shadow:0 0 0 48px rgba(255,255,255,.025),0 0 0 96px rgba(255,255,255,.02);pointer-events:none}
.download-copy,.download-card{position:relative;z-index:1}
.eyebrow{margin-bottom:12px;color:#7ee4f1;font-size:11.5px;font-weight:800;letter-spacing:.22em;text-transform:uppercase}
.download-copy h2{font-size:clamp(27px,3.4vw,38px);font-weight:900;color:#fff}
.download-copy>p:not(.eyebrow){margin-top:14px;color:#cbd2f4;font-size:14.5px;max-width:580px}
.meta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px}
.meta-grid>div{padding:13px 15px;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:rgba(255,255,255,.065)}
.meta-grid dt{color:#aeb8e8;font-size:11px;letter-spacing:.05em}
.meta-grid dd{margin-top:3px;color:#fff;font-size:14px;font-weight:700}
.download-card{padding:30px 24px;border:1px solid rgba(255,255,255,.14);border-radius:22px;text-align:center;background:rgba(255,255,255,.075);box-shadow:0 22px 50px -32px rgba(0,0,0,.55);backdrop-filter:blur(10px)}
.download-logo{width:86px;height:86px;margin:0 auto 15px;border-radius:50%;border:5px solid rgba(255,255,255,.16);box-shadow:0 18px 38px -18px rgba(0,0,0,.65)}
.download-name{font-size:18px;font-weight:800}
.download-ver{margin:5px 0 19px;color:#aeb8e8;font-size:12.5px}
.download-note{margin-top:13px;color:#aeb8e8;font-size:10.5px;line-height:1.6}

/* install steps */
.guide{background:#fff}
.steps{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.step{display:flex;gap:17px;align-items:flex-start;padding:23px 24px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#fff,#fafbff);transition:transform .25s,border-color .25s}
.step:hover{transform:translateY(-3px);border-color:#cfd4f1}
.step-num{width:42px;height:42px;flex:0 0 auto;display:grid;place-items:center;border-radius:13px;color:#fff;background:var(--grad-brand);font-size:15px;font-weight:850;box-shadow:0 12px 24px -14px rgba(66,81,216,.72)}
.step:nth-child(2) .step-num{background:var(--grad-cyan)}
.step:nth-child(3) .step-num{background:linear-gradient(135deg,#7458f8,#b45cff)}
.step:nth-child(4) .step-num{background:linear-gradient(135deg,#22b493,#54d6ae)}
.step h3{margin-bottom:5px;color:var(--navy);font-size:16px;font-weight:800}
.step p{color:var(--muted);font-size:13.5px;line-height:1.72}
.step a{color:var(--indigo);font-weight:650}
.step a:hover{text-decoration:underline;text-underline-offset:3px}

/* trust */
.trust{background:linear-gradient(180deg,#f6f7ff,#fbfcff)}
.trust-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.trust-item{padding:27px 25px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.86);box-shadow:0 16px 40px -38px rgba(35,47,132,.36)}
.trust-item span{display:inline-grid;place-items:center;width:38px;height:38px;margin-bottom:15px;border-radius:11px;color:var(--indigo);background:#eef0ff;font-size:16px;font-weight:850}
.trust-item h3{margin-bottom:8px;color:var(--navy);font-size:17px;font-weight:800}
.trust-item p{color:var(--muted);font-size:13.5px;line-height:1.78}
.trust-item a{color:var(--indigo);font-weight:650}

/* articles */
.tutorial{background:#fff}
.tutorial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article-card{display:flex;flex-direction:column;min-height:220px;padding:25px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(160deg,#fff 0%,#fafbff 100%);box-shadow:0 16px 42px -38px rgba(35,47,132,.36);transition:transform .28s,border-color .28s,box-shadow .28s}
.article-card:hover{transform:translateY(-5px);border-color:#cfd4f1;box-shadow:0 26px 52px -34px rgba(35,47,132,.5)}
.article-meta{color:#98a0bd;font-size:10.5px;font-weight:650;letter-spacing:.07em}
.article-card h3{margin-top:10px;color:var(--navy);font-size:16.5px;font-weight:800;line-height:1.48}
.article-card h3 a:hover{color:var(--indigo)}
.article-card p{margin-top:9px;color:var(--muted);font-size:13px;line-height:1.75;flex:1}
.article-more{align-self:flex-start;margin-top:15px;color:var(--indigo);font-size:12.5px;font-weight:750}
.article-more::after{content:" →"}

/* about */
.about{background:linear-gradient(180deg,#f6f7ff,#fff)}
.about-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:38px;align-items:start}
.about-copy p{color:var(--text-2);font-size:14.5px;line-height:1.9;margin-bottom:15px}
.about-copy p:last-child{margin-bottom:0}
.about-copy strong{color:var(--navy)}
.about-list{display:grid;gap:11px}
.about-list li{padding:15px 18px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.78);color:var(--text-2);font-size:13.5px}
.about-list strong{display:block;margin-bottom:3px;color:var(--indigo);font-size:13.5px;font-weight:800}
.note-strip{display:flex;align-items:flex-start;gap:13px;margin-top:26px;padding:18px 20px;border:1px solid #dce2ff;border-radius:15px;background:#f4f6ff}
.note-strip span{width:24px;height:24px;flex:0 0 auto;display:grid;place-items:center;margin-top:1px;border-radius:8px;color:#fff;background:var(--grad-brand);font-size:12px;font-weight:800}
.note-strip p{color:#5d668c;font-size:12.5px;line-height:1.75}
.note-strip a{color:var(--indigo);font-weight:650}

/* faq */
.faq{background:#fff}
.faq-list{display:grid;gap:11px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item[open]{border-color:#cfd4f1;box-shadow:0 14px 34px -30px rgba(35,47,132,.4)}
.faq-item summary{position:relative;padding:17px 52px 17px 20px;color:var(--navy);font-size:14.5px;font-weight:750;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:18px;top:50%;width:24px;height:24px;display:grid;place-items:center;border-radius:8px;color:var(--indigo);background:#eef0ff;font-size:17px;font-weight:500;line-height:1;transform:translateY(-50%);transition:transform .2s}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item p{padding:0 20px 19px;color:var(--muted);font-size:13.5px;line-height:1.82}
.faq-item p strong{color:var(--text-2)}
.faq-item p a{color:var(--indigo);font-weight:650}

/* finale */
.finale{padding:82px 0;background:linear-gradient(180deg,#fbfcff,#f4f5ff)}
.finale-inner{position:relative;overflow:hidden;padding:58px 36px;border-radius:30px;text-align:center;color:#fff;background:linear-gradient(130deg,#3548d5 0%,#5d5af0 48%,#7c61ff 100%);box-shadow:0 36px 80px -42px rgba(48,61,183,.82)}
.finale-inner::before{content:"";position:absolute;inset:0;background:radial-gradient(48% 82% at 8% 0%,rgba(70,207,228,.26),transparent 66%),radial-gradient(50% 80% at 92% 100%,rgba(255,255,255,.13),transparent 68%);pointer-events:none}
.finale-inner>*{position:relative;z-index:1}
.finale-logo{width:82px;height:82px;margin:0 auto 18px;border-radius:50%;border:5px solid rgba(255,255,255,.18);box-shadow:0 16px 34px -18px rgba(0,0,0,.45)}
.finale h2{font-size:clamp(28px,4vw,42px);font-weight:900;letter-spacing:.03em}
.finale p{max-width:670px;margin:13px auto 26px;color:#dde1ff;font-size:14.5px;line-height:1.8}
.finale .btn-light{min-width:190px}

/* footer */
.foot{padding:52px 0 32px;background:#101638;color:#c8cff0}
.foot-row{display:flex;flex-direction:column;gap:18px}
.foot-links{display:flex;flex-wrap:wrap;gap:9px 20px;font-size:12.5px}
.foot-links a{color:#d1d7f4;transition:color .2s}
.foot-links a:hover{color:#7ee4f1}
.foot-legal{max-width:980px;color:#8e98c5;font-size:11.5px;line-height:1.8}
.foot-legal a{color:#b7c1eb;text-decoration:underline;text-underline-offset:2px}
.foot-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:17px;border-top:1px solid rgba(255,255,255,.1);color:#7d88b8;font-size:11px}
.foot-bottom a{color:#a9b4e2}
.to-top{position:fixed;right:22px;bottom:22px;z-index:80;width:44px;height:44px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.22);border-radius:14px;color:#fff;background:rgba(35,47,128,.86);box-shadow:0 16px 34px -20px rgba(21,27,72,.8);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .25s,visibility .25s,transform .25s;backdrop-filter:blur(10px)}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}

/* reveal */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}
.js .reveal.is-visible{opacity:1;transform:none}
.js .reveal:nth-child(2){transition-delay:.06s}
.js .reveal:nth-child(3){transition-delay:.12s}
.js .reveal:nth-child(4){transition-delay:.18s}
.js .reveal:nth-child(5){transition-delay:.24s}
.js .reveal:nth-child(6){transition-delay:.3s}

/* article & legal pages */
.page-head{position:relative;overflow:hidden;padding:64px 0 44px;background:radial-gradient(62% 120% at 50% 0%,rgba(119,87,255,.14),transparent 64%),linear-gradient(180deg,#f7f8ff,#fff)}
.page-head::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(73,86,190,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(73,86,190,.045) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(62% 86% at 48% 0%,#000,transparent 78%);-webkit-mask-image:radial-gradient(62% 86% at 48% 0%,#000,transparent 78%);pointer-events:none}
.page-head .frame{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:21px;color:var(--muted);font-size:12px}
.crumb a:hover{color:var(--indigo)}
.crumb span{color:#aab1cc}
.page-kicker{display:inline-flex;align-items:center;gap:7px;margin-bottom:13px;padding:5px 11px;border:1px solid #dde1f8;border-radius:999px;color:var(--indigo);background:rgba(255,255,255,.7);font-size:10.5px;font-weight:800;letter-spacing:.1em}
.page-head h1{max-width:900px;color:var(--navy);font-size:clamp(28px,4.2vw,46px);font-weight:900;letter-spacing:.02em}
.page-lead{max-width:800px;margin-top:17px;color:var(--text-2);font-size:15.5px;line-height:1.85}
.page-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:20px;color:var(--muted);font-size:11.5px}
.page-meta span{display:flex;align-items:center;gap:6px}
.page-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--grad-cyan)}
.prose-wrap{padding:36px 0 82px}
.prose{max-width:860px;padding:44px 46px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 22px 62px -50px rgba(35,47,132,.4)}
.prose h2{position:relative;margin:42px 0 16px;padding-left:16px;color:var(--navy);font-size:23px;font-weight:850;letter-spacing:.02em}
.prose h2::before{content:"";position:absolute;left:0;top:.24em;width:5px;height:1.05em;border-radius:4px;background:var(--grad-cyan)}
.prose h2:first-child{margin-top:0}
.prose h3{margin:28px 0 10px;color:var(--navy);font-size:17.5px;font-weight:800}
.prose p{margin-bottom:15px;color:var(--text-2);font-size:14.5px;line-height:1.92}
.prose strong{color:var(--navy)}
.prose a{color:var(--indigo);font-weight:650;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose ul,.prose ol{display:grid;gap:9px;margin:0 0 19px;padding-left:0}
.prose li{position:relative;padding-left:23px;color:var(--text-2);font-size:14.5px;line-height:1.85}
.prose ul>li::before{content:"";position:absolute;left:4px;top:.7em;width:7px;height:7px;border-radius:2px;background:var(--grad-cyan)}
.prose ol{counter-reset:prose-ol}
.prose ol>li{counter-increment:prose-ol;padding-left:32px}
.prose ol>li::before{content:counter(prose-ol);position:absolute;left:0;top:2px;width:21px;height:21px;display:grid;place-items:center;border-radius:6px;color:#fff;background:var(--grad-brand);font-size:10.5px;font-weight:800}
.prose blockquote{margin:22px 0;padding:18px 21px;border-left:3px solid var(--indigo);border-radius:0 13px 13px 0;background:#f4f6ff;color:#596187;font-size:14px;line-height:1.85}
.prose table{width:100%;margin:20px 0;border-collapse:collapse;font-size:13.5px}
.prose th,.prose td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--line)}
.prose th{color:var(--navy);background:#f4f6ff;font-weight:800}
.prose td{color:var(--text-2)}
.prose code{display:inline-block;padding:1px 6px;border-radius:5px;color:#3341a5;background:#eef1ff;font-family:"Cascadia Code","SFMono-Regular",Consolas,monospace;font-size:.9em}
.code-block{position:relative;margin:18px 0 22px;padding:18px 64px 18px 18px;overflow-x:auto;border:1px solid #252d63;border-radius:14px;background:#151b45;color:#dfe4ff;font-family:"Cascadia Code","SFMono-Regular",Consolas,monospace;font-size:12.5px;line-height:1.75}
.code-block code{display:block;padding:0;color:inherit;background:none;white-space:pre-wrap;word-break:break-all}
.copy-btn{position:absolute;right:10px;top:10px;padding:5px 10px;border:1px solid rgba(255,255,255,.16);border-radius:7px;color:#cbd4ff;background:rgba(255,255,255,.08);font-size:10.5px;cursor:pointer}
.copy-btn:hover{background:rgba(255,255,255,.14)}
.note-box{margin:20px 0;padding:17px 19px;border:1px solid #dfe3fa;border-radius:13px;background:#f7f8ff}
.note-box strong{display:block;margin-bottom:5px;color:var(--indigo);font-size:13px}
.note-box p{margin:0;font-size:13px;line-height:1.78}
.page-cta{margin:28px auto 0;max-width:860px;padding:30px 32px;border:1px solid #dce1fa;border-radius:22px;text-align:center;background:linear-gradient(135deg,#f3f5ff,#fbfbff)}
.page-cta h2{margin-bottom:8px;color:var(--navy);font-size:21px;font-weight:850}
.page-cta p{margin-bottom:19px;color:var(--muted);font-size:13.5px}
.article-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;max-width:860px;margin:22px auto 0;padding:17px 20px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--muted);font-size:12px}
.article-foot a{color:var(--indigo);font-weight:650}

/* responsive */
@media (max-width:1100px){
  .float-card{display:none}
  .ability-rail,.tool-grid{grid-template-columns:repeat(2,1fr)}
  .tutorial-grid{grid-template-columns:repeat(2,1fr)}
  .download-panel{grid-template-columns:1fr;gap:32px;padding:42px 38px}
  .about-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:900px){
  .rank-wrap{grid-template-columns:1fr}
  .trust-list{grid-template-columns:1fr}
}
@media (max-width:760px){
  .frame{width:min(100% - 32px,var(--frame))}
  section{padding:64px 0}
  .mast-row{min-height:64px;gap:12px}
  .rail{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:13px 16px 17px;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line);box-shadow:0 18px 40px -28px rgba(35,47,132,.5);display:none}
  .rail.open{display:flex}
  .rail a{padding:11px 13px;border-radius:9px}
  .pill-dl{margin-left:auto;padding:9px 15px;font-size:13px}
  .burger{display:flex}
  .hero{padding:54px 0 78px}
  .hero-logo{width:112px;height:112px;border-width:7px}
  .hero-ribbon{right:-37px;top:6px;font-size:10px}
  .hero-badge{font-size:11.5px}
  .hero-sub{font-size:12.5px;letter-spacing:.08em}
  .hero-trust{gap:8px 16px;font-size:11.5px}
  .metric-wrap{margin-top:-28px}
  .metrics{grid-template-columns:repeat(2,1fr);padding:6px}
  .metric{padding:14px 17px;border-right:0}
  .metric:nth-child(odd){border-right:1px solid var(--line)}
  .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .metric strong{font-size:18px}
  .metric span{font-size:11px}
  .gallery{padding-top:72px}
  .shot-track{justify-content:flex-start;gap:18px;padding-inline:0}
  .shot{width:256px}
  .shot:nth-child(2) .phone-frame{transform:none}
  .shot:nth-child(2):hover .phone-frame{transform:translateY(-7px)}
  .ability-rail,.tool-grid,.tutorial-grid,.steps{grid-template-columns:1fr}
  .tool-card>p{min-height:0}
  .rank-col{padding:22px 19px}
  .download{padding-top:0}
  .download-panel{padding:32px 24px;border-radius:24px}
  .meta-grid{grid-template-columns:1fr}
  .download-card{padding:25px 20px}
  .step{padding:20px}
  .about-grid{gap:24px}
  .finale{padding:62px 0}
  .finale-inner{padding:42px 23px;border-radius:24px}
  .page-head{padding:46px 0 34px}
  .page-lead{font-size:14px}
  .prose-wrap{padding:26px 0 62px}
  .prose{padding:30px 23px;border-radius:19px}
  .prose h2{font-size:20px;margin-top:34px}
  .prose h3{font-size:16.5px}
  .prose p,.prose li{font-size:13.8px}
  .prose th,.prose td{padding:9px 10px;font-size:12.5px}
  .page-cta{padding:25px 20px}
  .to-top{right:14px;bottom:14px;width:40px;height:40px}
}
@media (max-width:520px){
  .mark-text{font-size:17px}
  .mark-text small{display:none}
  .hero-brand{font-size:58px}
  .hero-cta{width:100%}
  .hero-cta .btn-primary,.hero-cta .btn-ghost{width:100%}
  .hero-badge{max-width:92%;line-height:1.45}
  .block-head h2{font-size:27px}
  .block-head p{font-size:14px}
  .tool-card{padding:21px}
  .article-card{padding:21px}
  .rank-row{gap:9px}
  .rank-count{font-size:10.5px}
  .footer-actions{display:none}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .js .reveal{opacity:1;transform:none}
}