:root{
  --bg:#f7f9ff;--bg2:#eef4ff;--panel:rgba(255,255,255,.82);--panel-solid:#fff;
  --text:#101727;--muted:#667289;--line:rgba(27,55,110,.10);--line-strong:rgba(27,55,110,.16);
  --blue:#2870ff;--blue-2:#5f91ff;--blue-soft:#edf4ff;--blue-glow:rgba(40,112,255,.18);
  --danger:#d44e5d;--danger-soft:#fff1f3;--shadow:0 24px 70px rgba(41,78,151,.13);--shadow-sm:0 10px 28px rgba(41,78,151,.08);
  --radius-xl:30px;--radius-lg:24px;--radius-md:18px;--ease:cubic-bezier(.22,.8,.22,1);
}
html[data-theme="dark"]{
  --bg:#0c1119;--bg2:#101827;--panel:rgba(20,28,41,.82);--panel-solid:#151e2c;
  --text:#f3f7ff;--muted:#9ba8bc;--line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.14);
  --blue:#6f9bff;--blue-2:#8cb0ff;--blue-soft:rgba(72,116,213,.16);--blue-glow:rgba(72,116,213,.20);
  --danger:#ff8090;--danger-soft:rgba(255,96,116,.10);--shadow:0 28px 80px rgba(0,0,0,.34);--shadow-sm:0 10px 32px rgba(0,0,0,.24);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;background:var(--bg);color-scheme:light}
html[data-theme="dark"]{color-scheme:dark}
body{margin:0;min-height:100vh;background:
  radial-gradient(circle at 12% 0%,rgba(87,139,255,.12),transparent 30%),
  radial-gradient(circle at 92% 32%,rgba(67,192,255,.08),transparent 26%),var(--bg);
  color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;transition:background-color .2s linear,color .2s linear}
button,textarea{font:inherit;color:inherit}button{appearance:none;-webkit-appearance:none;border:0}a{color:inherit}img{max-width:100%}
button:focus:not(:focus-visible),textarea:focus:not(:focus-visible),a:focus:not(:focus-visible){outline:none}
button:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid rgba(49,113,255,.28);outline-offset:3px}
::selection{background:rgba(61,121,255,.20)}

::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}
::view-transition-old(root){z-index:1}
::view-transition-new(root){z-index:9999}
.theme-ripple{position:fixed;z-index:99999;border-radius:50%;pointer-events:none;transform:translate(-50%,-50%) scale(0);will-change:transform;box-shadow:0 0 0 1px rgba(255,255,255,.02)}

.bg-orb{position:fixed;z-index:-1;border-radius:50%;pointer-events:none;filter:blur(8px);opacity:.7;will-change:transform}
.orb-a{width:460px;height:460px;left:-190px;top:120px;background:radial-gradient(circle,rgba(81,139,255,.16),transparent 68%);animation:driftA 18s var(--ease) infinite alternate}
.orb-b{width:520px;height:520px;right:-220px;top:360px;background:radial-gradient(circle,rgba(99,193,255,.11),transparent 68%);animation:driftB 21s var(--ease) infinite alternate}
@keyframes driftA{to{transform:translate3d(34px,-24px,0) scale(1.06)}}
@keyframes driftB{to{transform:translate3d(-40px,30px,0) scale(1.08)}}

.topbar{width:min(1180px,100%);height:78px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:20}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:19px;font-weight:820;letter-spacing:-.03em}
.brand img{width:42px;height:42px;border-radius:13px;display:block;box-shadow:0 10px 26px rgba(47,112,255,.19)}
.top-actions{display:flex;gap:8px}
.round-btn{width:44px;height:44px;border:1px solid var(--line);background:var(--panel);border-radius:15px;display:grid;place-items:center;cursor:pointer;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease),background-color .24s linear}
.round-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:rgba(55,119,255,.23)}
.round-btn:active{transform:scale(.95)}
.round-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
#themeBtn{position:relative;overflow:hidden}#themeBtn .sun,#themeBtn .moon{position:absolute;transition:transform .32s var(--ease),opacity .22s ease}
#themeBtn .sun{opacity:1;transform:scale(1) rotate(0)}#themeBtn .moon{opacity:0;transform:scale(.6) rotate(-20deg)}
html[data-theme="dark"] #themeBtn .sun{opacity:0;transform:scale(.6) rotate(20deg)}html[data-theme="dark"] #themeBtn .moon{opacity:1;transform:scale(1) rotate(0)}

main{width:min(1120px,100%);margin:auto;padding:42px 24px 108px}
.hero{text-align:center;padding:58px 0 76px}
.platform-kicker{display:inline-flex;align-items:center;gap:9px;padding:9px 13px;border:1px solid var(--line);border-radius:999px;background:var(--panel);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);font-size:13px;font-weight:720;color:var(--muted);box-shadow:var(--shadow-sm)}
.platform-kicker span{width:7px;height:7px;background:#35c77d;border-radius:50%;box-shadow:0 0 0 0 rgba(53,199,125,.35);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(53,199,125,0)}100%{box-shadow:0 0 0 0 rgba(53,199,125,0)}}
h1{margin:24px 0 12px;font-size:clamp(52px,9vw,92px);line-height:.96;letter-spacing:-.065em;font-weight:900;background:linear-gradient(130deg,var(--text) 10%,var(--blue) 88%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-subtitle{font-size:clamp(17px,2.1vw,22px);font-weight:650;color:var(--muted);letter-spacing:-.015em}

.parser-card{width:min(900px,100%);margin:42px auto 0;padding:20px;border:1px solid var(--line);border-radius:32px;background:var(--panel);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);box-shadow:var(--shadow);text-align:left;transition:transform .28s var(--ease),box-shadow .28s var(--ease),background-color .2s linear,border-color .2s linear}
.parser-card.is-working{transform:translateY(-2px);box-shadow:0 30px 88px rgba(42,90,190,.17)}
.parser-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.segmented{display:flex;gap:4px;padding:4px;border-radius:14px;background:var(--blue-soft)}
.seg{padding:9px 17px;border-radius:11px;background:transparent;color:var(--muted);font-size:14px;font-weight:760;cursor:pointer;transition:background-color .22s ease,color .22s ease,transform .22s var(--ease),box-shadow .22s ease}
.seg.active{background:var(--panel-solid);color:var(--text);box-shadow:0 5px 16px rgba(38,75,138,.09)}
.seg:active{transform:scale(.96)}
.detect-chip{display:flex;align-items:center;gap:8px;padding:7px 11px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:13px}
.detect-chip span{width:7px;height:7px;border-radius:50%;background:currentColor}.detect-chip b{font-weight:760}
.input-shell{position:relative;display:flex;align-items:flex-start;min-height:104px;padding:18px 102px 18px 52px;border:1px solid var(--line-strong);border-radius:24px;background:var(--panel-solid);transition:border-color .24s ease,box-shadow .24s ease,transform .24s var(--ease)}
.input-shell:focus-within{border-color:rgba(48,113,255,.42);box-shadow:0 0 0 5px rgba(48,113,255,.07);transform:translateY(-1px)}
.input-icon{position:absolute;left:19px;top:20px;width:23px;height:23px;fill:none;stroke:var(--muted);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
textarea{width:100%;min-height:66px;max-height:180px;padding:0;border:0;resize:none;overflow:auto;background:transparent;font-size:19px;line-height:1.55;letter-spacing:-.01em;outline:none;scrollbar-width:thin;scrollbar-color:rgba(100,115,140,.25) transparent}
textarea::placeholder{color:color-mix(in srgb,var(--muted) 72%,transparent)}
.paste-btn{position:absolute;right:14px;top:14px;padding:12px 16px;border-radius:14px;background:var(--blue-soft);color:var(--blue);font-weight:820;cursor:pointer;transition:transform .22s var(--ease),background-color .22s ease}
.paste-btn:hover{background:color-mix(in srgb,var(--blue-soft) 70%,var(--blue) 8%)}.paste-btn:active{transform:scale(.95)}
.parse-btn{width:100%;height:64px;margin-top:14px;border-radius:20px;background:linear-gradient(120deg,#246cff,#5c8fff);color:#fff;display:flex;align-items:center;justify-content:center;gap:10px;font-size:20px;font-weight:850;letter-spacing:-.02em;cursor:pointer;box-shadow:0 16px 34px rgba(45,108,255,.24);position:relative;overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s ease,filter .22s ease}
.parse-btn::before{content:"";position:absolute;inset:-80% -10%;background:linear-gradient(100deg,transparent 40%,rgba(255,255,255,.24) 50%,transparent 60%);transform:translateX(-70%) rotate(8deg);transition:transform .7s var(--ease)}
.parse-btn:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(45,108,255,.29)}.parse-btn:hover::before{transform:translateX(70%) rotate(8deg)}.parse-btn:active{transform:scale(.985)}.parse-btn:disabled{cursor:wait;filter:saturate(.88);transform:none}
.parse-btn svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .22s var(--ease)}.parse-btn:hover svg{transform:translateX(3px)}
.parse-spinner{display:none;width:20px;height:20px;border:2px solid rgba(255,255,255,.34);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}.parse-btn.loading .parse-spinner{display:block}.parse-btn.loading svg{display:none}@keyframes spin{to{transform:rotate(360deg)}}
.platform-row{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:14px}.platform-row span{padding:8px 13px;border-radius:999px;border:1px solid var(--line);background:color-mix(in srgb,var(--panel-solid) 82%,transparent);color:var(--muted);font-size:13px;font-weight:670}

.results-section,.seo-section,.faq-section{padding:40px 0;scroll-margin-top:20px;content-visibility:auto;contain-intrinsic-size:700px}
.section-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:22px}.section-title-row.simple{align-items:center}
.section-kicker{display:block;color:var(--blue);font-size:14px;font-weight:850;margin-bottom:7px}.section-title-row h2{margin:0;font-size:clamp(32px,4.5vw,48px);line-height:1.06;letter-spacing:-.045em}
.soft-btn,.danger-btn{padding:11px 16px;border:1px solid var(--line);border-radius:14px;background:var(--panel);font-weight:760;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s ease,border-color .2s ease}.soft-btn:hover{box-shadow:var(--shadow-sm);border-color:var(--line-strong)}.soft-btn:active,.danger-btn:active{transform:scale(.96)}
.result-list{display:grid;gap:18px}.result-card{display:grid;grid-template-columns:minmax(260px,38%) 1fr;gap:22px;padding:18px;border:1px solid var(--line);border-radius:30px;background:var(--panel);box-shadow:var(--shadow-sm);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);animation:cardIn .5s var(--ease) both}
@keyframes cardIn{from{opacity:0;transform:translateY(16px) scale(.985)}to{opacity:1;transform:none}}
.result-cover{position:relative;aspect-ratio:16/10;border-radius:22px;overflow:hidden;background:linear-gradient(135deg,var(--blue-soft),color-mix(in srgb,var(--blue-soft) 58%,#b8c9ff 42%));isolation:isolate}
.result-cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease)}.result-card:hover .result-cover img{transform:scale(1.025)}
.result-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(4,12,27,.25),transparent 52%);pointer-events:none}
.platform-badge{position:absolute;z-index:2;left:14px;top:14px;padding:8px 11px;border-radius:999px;background:rgba(13,21,35,.68);color:#fff;font-size:13px;font-weight:800;backdrop-filter:blur(10px)}
.cover-fallback{position:absolute;inset:0;display:grid;place-items:center}.cover-fallback img{width:86px;height:86px;border-radius:24px;opacity:.9;object-fit:cover}
.result-content{min-width:0;padding:7px 4px 4px;display:flex;flex-direction:column}.result-title{margin:0;font-size:clamp(23px,3vw,31px);line-height:1.22;letter-spacing:-.035em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.result-meta{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px;color:var(--muted);font-size:15px;font-weight:630}.result-meta span:not(:last-child)::after{content:"·";margin-left:9px;color:color-mix(in srgb,var(--muted) 45%,transparent)}
.quality-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}.quality-link,.action-btn,.copy-btn{min-height:42px;padding:10px 14px;border-radius:13px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line);font-size:14px;font-weight:760;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s ease,border-color .2s ease,background-color .2s ease}.quality-link{background:var(--blue-soft);color:var(--blue);border-color:transparent}.quality-link:hover,.action-btn:hover,.copy-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}.quality-link:active,.action-btn:active,.copy-btn:active{transform:scale(.97)}
.quality-link small{font-size:11px;opacity:.72;font-weight:720}.result-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:auto;padding-top:18px}.action-btn,.copy-btn{background:var(--panel-solid)}
.result-error{padding:24px;border:1px solid rgba(216,75,90,.22);border-radius:24px;background:var(--danger-soft);color:var(--danger);animation:cardIn .42s var(--ease) both}.result-error strong{display:block;font-size:21px;margin-bottom:7px}.result-error div{font-size:16px;line-height:1.6}
.skeleton{height:300px;border-radius:30px;border:1px solid var(--line);background:linear-gradient(100deg,var(--panel) 30%,color-mix(in srgb,var(--panel) 68%,var(--blue-soft) 32%) 45%,var(--panel) 60%);background-size:220% 100%;animation:shimmer 1.15s linear infinite}@keyframes shimmer{to{background-position:-220% 0}}

.platform-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.platform-grid article{min-height:160px;padding:22px;border:1px solid var(--line);border-radius:24px;background:var(--panel);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;justify-content:space-between;transition:transform .25s var(--ease),border-color .25s ease,box-shadow .25s ease}.platform-grid article:hover{transform:translateY(-4px);border-color:rgba(58,120,255,.22);box-shadow:var(--shadow)}.platform-grid b{font-size:21px;letter-spacing:-.025em}.platform-grid span{font-size:16px;line-height:1.55;color:var(--muted);font-weight:560}
.faq-list{display:grid;gap:10px}.faq-list details{border:1px solid var(--line);border-radius:19px;background:var(--panel);overflow:hidden}.faq-list summary{list-style:none;cursor:pointer;padding:19px 20px;display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:17px;font-weight:780}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{font-size:24px;line-height:1;color:var(--blue);transition:transform .25s var(--ease)}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list p{margin:0;padding:0 20px 20px;color:var(--muted);font-size:16px;line-height:1.75}

footer{width:min(1120px,100%);margin:auto;padding:22px 24px 34px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:14px}footer a{text-decoration:none;color:var(--text);font-weight:800}
.drawer{position:fixed;inset:0;z-index:100;pointer-events:none}.drawer.open{pointer-events:auto}.drawer-backdrop{position:absolute;inset:0;width:100%;height:100%;background:rgba(3,9,19,.26);backdrop-filter:blur(2px);opacity:0;transition:opacity .28s ease;cursor:default}.drawer.open .drawer-backdrop{opacity:1}.drawer-panel{position:absolute;right:12px;top:12px;bottom:12px;width:min(430px,calc(100% - 24px));padding:20px;border:1px solid var(--line);border-radius:28px;background:var(--panel-solid);box-shadow:0 34px 90px rgba(0,0,0,.22);transform:translateX(calc(100% + 30px));transition:transform .42s var(--ease);display:flex;flex-direction:column}.drawer.open .drawer-panel{transform:none}.drawer-head{display:flex;align-items:center;justify-content:space-between}.drawer-head h2{margin:0;font-size:28px;letter-spacing:-.04em}.history-list{display:grid;gap:10px;overflow:auto;padding:18px 2px;flex:1}.history-item{padding:14px;border:1px solid var(--line);border-radius:17px;background:var(--panel);cursor:pointer;transition:transform .2s var(--ease),border-color .2s ease}.history-item:hover{transform:translateY(-2px);border-color:rgba(56,119,255,.22)}.history-item strong{display:block;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item span{display:block;margin-top:6px;color:var(--muted);font-size:13px}.history-empty{padding:28px 4px;color:var(--muted);font-size:16px;text-align:center}.danger-btn{width:100%;background:var(--danger-soft);color:var(--danger);border-color:transparent}
.toast-stack{position:fixed;left:50%;bottom:max(24px,env(safe-area-inset-bottom));z-index:200;transform:translateX(-50%);display:grid;gap:8px;pointer-events:none}.toast{min-width:210px;max-width:min(420px,calc(100vw - 32px));padding:12px 16px;border:1px solid var(--line);border-radius:15px;background:color-mix(in srgb,var(--panel-solid) 94%,transparent);box-shadow:var(--shadow);backdrop-filter:blur(18px);font-size:14px;font-weight:700;text-align:center;animation:toastIn .3s var(--ease) both;transition:opacity .2s ease,transform .2s ease}.toast.error{color:var(--danger);border-color:rgba(216,75,90,.18)}@keyframes toastIn{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}

@media (max-width:860px){
  main{padding-top:28px}.hero{padding:40px 0 58px}.parser-card{margin-top:32px}.platform-grid{grid-template-columns:repeat(2,1fr)}
  .result-card{grid-template-columns:1fr}.result-cover{aspect-ratio:16/9}.result-content{padding:4px}.skeleton{height:500px}
}
@media (max-width:560px){
  .topbar{height:68px;padding:0 16px}.brand{font-size:18px}.brand img{width:38px;height:38px;border-radius:12px}.round-btn{width:40px;height:40px;border-radius:13px}
  main{padding:22px 14px 76px}.hero{padding:26px 0 48px}.platform-kicker{font-size:11px;padding:8px 11px}h1{font-size:clamp(48px,17vw,72px);margin-top:20px}.hero-subtitle{font-size:16px;line-height:1.5}
  .parser-card{padding:14px;border-radius:26px;margin-top:28px}.parser-top{margin-bottom:11px}.seg{padding:9px 14px}.detect-chip{font-size:12px;padding:7px 9px}
  .input-shell{min-height:132px;padding:17px 86px 17px 46px;border-radius:21px}.input-icon{left:16px;top:19px;width:21px;height:21px}textarea{font-size:18px;min-height:96px}.paste-btn{right:10px;top:10px;padding:11px 13px;border-radius:12px}.parse-btn{height:60px;border-radius:18px;font-size:19px}.platform-row{gap:6px}.platform-row span{font-size:12px;padding:7px 10px}
  .results-section,.seo-section,.faq-section{padding:34px 0}.section-title-row{align-items:center}.section-title-row h2{font-size:36px}.soft-btn{padding:10px 14px}.result-card{padding:13px;border-radius:25px;gap:16px}.result-cover{border-radius:19px}.result-title{font-size:25px}.quality-list{gap:7px}.quality-link,.action-btn,.copy-btn{font-size:13px;padding:9px 11px;min-height:40px}
  .platform-grid{grid-template-columns:1fr}.platform-grid article{min-height:132px}.faq-list summary{font-size:16px;padding:17px 16px}.faq-list p{font-size:15px;padding:0 16px 17px}
  footer{padding:20px 16px calc(24px + env(safe-area-inset-bottom))}.drawer-panel{right:8px;top:8px;bottom:8px;width:calc(100% - 16px);border-radius:24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .bg-orb{display:none}
}
@media (hover:none){.round-btn:hover,.parse-btn:hover,.quality-link:hover,.action-btn:hover,.copy-btn:hover,.platform-grid article:hover,.history-item:hover{transform:none;box-shadow:inherit}}