/* ==========================================================
   螺途 LUOTU — 企业展示站样式
   图片统一在 images.css 中以 CSS 变量提供（--img-*）
   ========================================================== */
:root{
  --ink:#2a2342;
  --ink-2:#615a7a;
  --ink-3:#736d8a;
  --bg:#faf8ff;
  --lav:#f4f0ff;
  --lav-2:#e9e2ff;
  --line:#e7e1f5;
  --purple:#7b5cf5;
  --purple-ink:#5b3fd0;
  --orange:#f2741f;
  --orange-ink:#cf4a06;
  --green-ink:#2f7a52;
  --blue-ink:#1f4f8f;
  --radius:20px;
  --radius-lg:28px;
  --shadow:0 1px 2px rgba(60,40,120,.05),0 8px 24px rgba(60,40,120,.08);
  --shadow-lg:0 2px 4px rgba(60,40,120,.06),0 18px 40px rgba(60,40,120,.14);
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Noto Sans CJK SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --hand:"Kaiti SC","STKaiti","KaiTi","BiauKai","Noto Serif CJK SC","Noto Serif SC",serif;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,p{margin:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--purple);outline-offset:3px;border-radius:10px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:12px;top:-60px;z-index:200;background:var(--purple);color:#fff;padding:10px 16px;border-radius:10px;font-weight:700}
.skip-link:focus{top:12px}
.wrap{width:min(1200px,100% - 48px);margin-inline:auto}
.hand{font-family:var(--hand);font-weight:700;letter-spacing:.02em}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 26px;border-radius:999px;border:2px solid transparent;font-weight:800;font-size:16px;line-height:1;white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease}
.btn .arr{font-style:normal;transition:transform .2s ease}
.btn:hover .arr{transform:translateX(4px)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn-orange{color:#fff;background:linear-gradient(180deg,#f07222 0%,#cf4a06 100%);box-shadow:0 6px 16px rgba(226,90,12,.32),inset 0 2px 0 rgba(255,255,255,.25);text-shadow:0 1px 1px rgba(120,40,0,.35)}
.btn-orange:hover{box-shadow:0 10px 22px rgba(226,90,12,.4),inset 0 2px 0 rgba(255,255,255,.25);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--orange-ink);border-color:#f3a873}
.btn-ghost:hover{background:#fff6ef;transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--orange)}
.btn-line:hover{background:#fff6ef}
.btn-sm{min-height:44px;padding:0 20px;font-size:15px}
.btn-block{width:100%}
.btn-sticker{width:30px;height:30px;margin:-6px -2px -6px -8px;background-size:contain;background-repeat:no-repeat;background-position:center;filter:drop-shadow(0 2px 2px rgba(0,0,0,.15));transition:transform .3s ease}
.btn:hover .btn-sticker{transform:rotate(-12deg) scale(1.1)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid rgba(123,92,245,.1)}
.header-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:48px;height:48px;background-size:contain;background-repeat:no-repeat;background-position:center;transition:transform .4s ease}
.brand:hover .brand-mark{transform:rotate(-8deg) translateX(-2px)}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text b{font-size:26px;font-weight:900;letter-spacing:.06em}
.brand-text small{font-size:11px;font-weight:800;letter-spacing:.32em;margin-top:4px;color:var(--ink)}
.site-nav{display:flex;align-items:center;gap:28px}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{display:inline-flex;align-items:center;gap:4px;min-height:44px;padding:0 14px;border:0;background:none;border-radius:12px;font-size:15px;font-weight:700;color:var(--ink);transition:background .2s,color .2s}
.nav-link svg{width:16px;height:16px;transition:transform .2s}
.nav-link:hover,.has-drop.open>.nav-link{background:var(--lav);color:var(--purple-ink)}
.has-drop{position:relative}
.has-drop.open .drop-toggle svg{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 12px);left:-12px;width:320px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s,transform .2s,visibility .2s}
.dropdown::before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px}
.has-drop:hover .dropdown,.has-drop.open .dropdown{opacity:1;visibility:visible;transform:none}
.dropdown a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;transition:background .2s}
.dropdown a:hover,.dropdown a:focus-visible{background:var(--lav)}
.dropdown a b{display:block;font-size:15px}
.dropdown a small{display:block;font-size:13px;color:var(--ink-2);line-height:1.4}
.dropdown a:last-child{margin-top:6px;border-top:1px dashed var(--line);border-radius:0 0 12px 12px;padding-top:14px}
.dd-ico{width:40px;height:40px;flex-shrink:0;background-size:contain;background-repeat:no-repeat;background-position:center}
.nav-toggle{display:none;width:44px;height:44px;border:0;border-radius:12px;background:var(--lav);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s,opacity .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{background:#f2f0fc;overflow:hidden}
.hero-stage{position:relative;max-width:1440px;margin:0 auto;height:clamp(540px,calc(min(100vw,1440px) * .5581),max(540px,calc(100vh - var(--header-h) + 40px)));overflow:hidden;container-type:inline-size}
.hero-art{position:absolute;right:0;top:0;height:100%;aspect-ratio:1376/768;background-size:100% 100%;background-repeat:no-repeat;container-type:inline-size}
.hero-copy{position:absolute;left:max(24px,calc((100% - 1200px)/2));top:15%;width:min(44%,600px);z-index:2}
.hero h1{font-size:clamp(34px,4cqw,60px);line-height:1.22;font-weight:900;letter-spacing:.02em;color:var(--ink)}
.hl{position:relative;color:var(--orange);display:inline-block;padding:0 .04em}
.hl::after{content:"";position:absolute;left:-6%;right:-38%;bottom:-.08em;height:.22em;background:no-repeat center/100% 100% url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 14' preserveAspectRatio='none'%3E%3Cpath d='M3 10C30 3 70 1 117 5' fill='none' stroke='%23f2741f' stroke-width='5' stroke-linecap='round'/%3E%3C/svg%3E")}
.hero-sub{margin-top:18px;font-size:clamp(16px,1.45cqw,21px);font-weight:600;color:var(--ink-2);letter-spacing:.04em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-note{margin-top:34px;font-size:clamp(17px,1.5cqw,22px);line-height:1.5;color:var(--purple-ink);transform:rotate(-5deg);transform-origin:left;width:max-content}
.hero-blocks li{position:absolute;left:var(--x);top:85.3%;transform:translate(-50%,-50%);font-size:clamp(13px,2cqw,28px);font-weight:900;letter-spacing:.08em;color:#fff;text-shadow:0 2px 3px rgba(0,0,0,.18);pointer-events:none}
.hero-blocks .blk-yellow{color:#8a5a00;text-shadow:0 1px 0 rgba(255,255,255,.6)}
.hero-blocks .blk-orange{text-shadow:0 2px 3px rgba(150,60,0,.35)}
@media (min-width:1441px){
  .hero-art{-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 6%,#000 94%,transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 6%,#000 94%,transparent 100%)}
}

/* ---------- Sections ---------- */
.section{padding:28px 0}
.products{position:relative;margin-top:-40px;padding-top:44px;background:#fff;border-radius:36px 36px 0 0;box-shadow:0 -10px 30px rgba(80,60,160,.06);z-index:3}
.products + .section{padding-top:40px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.sec-title{position:relative;padding-left:18px;font-size:clamp(24px,2.4vw,30px);font-weight:900;line-height:1.25}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:6px;border-radius:6px;background:linear-gradient(var(--orange),#ffa94d)}
.sec-sub{margin-top:6px;padding-left:18px;color:var(--ink-2);font-size:15px}
.sec-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:15px;font-weight:600;color:var(--ink-2);transition:color .2s}
.sec-link i{font-style:normal;transition:transform .2s}
.sec-link:hover{color:var(--purple-ink)}
.sec-link:hover i{transform:translateX(4px)}
.sec-label{position:relative;padding-left:16px;font-size:20px;font-weight:900;color:var(--ink)}
.sec-label::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:6px;border-radius:6px;background:var(--orange)}

/* ---------- Products ---------- */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.p-card{position:relative;aspect-ratio:1200/896;border-radius:var(--radius);overflow:hidden;background-size:cover;background-position:center bottom;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease}
.p-card::before{content:"";position:absolute;inset:0 0 auto 0;height:62%;background:linear-gradient(180deg,rgba(255,255,255,.9) 0%,rgba(255,255,255,.72) 34%,rgba(255,255,255,0) 100%);pointer-events:none}
.p-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.p-top{position:relative;z-index:1;padding:22px 24px}
.p-top h3{padding-right:56px}
.p-top h3{font-size:clamp(22px,2.1vw,28px);font-weight:900;line-height:1.2}
.p-top p{margin-top:6px;font-size:15px;font-weight:700;line-height:1.5;color:#3f3856}
.theme-orange h3{color:#d5500b}
.theme-blue h3{color:var(--blue-ink)}
.theme-green h3{color:var(--green-ink)}
.p-hit{position:absolute;inset:0;z-index:2;border:0;background:none;padding:0;border-radius:var(--radius)}
.p-arrow{position:absolute;top:20px;right:20px;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#fff;font-weight:900;font-size:18px;box-shadow:0 4px 12px rgba(0,0,0,.08);transition:transform .25s ease}
.theme-orange .p-arrow{color:#d5500b}.theme-blue .p-arrow{color:var(--blue-ink)}.theme-green .p-arrow{color:var(--green-ink)}
.p-card:hover .p-arrow{transform:translateX(3px) rotate(-8deg)}

/* ---------- Feature cards (平台 / 团队) ---------- */
.feature-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:max(440px,calc(min(100vw - 48px,1200px) * .413));box-shadow:var(--shadow);display:flex;align-items:center}
.fc-art{position:absolute;inset:0;background-size:cover;background-position:right center;background-repeat:no-repeat}
.feature-card::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none}
.platform::before{background:linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.94) 34%,rgba(255,255,255,.5) 42%,rgba(255,255,255,0) 52%)}
.team::before{background:linear-gradient(90deg,rgba(236,230,255,.9) 0%,rgba(236,230,255,.6) 34%,rgba(236,230,255,0) 50%)}
.fc-copy{position:relative;z-index:2;width:min(44%,520px);padding:40px 0 40px 48px}
.fc-copy h2{margin-top:14px;font-size:clamp(26px,2.9vw,38px);font-weight:900;line-height:1.25}
.fc-desc{margin-top:12px;font-size:16px;line-height:1.7;color:var(--ink-2)}
.fc-copy .btn{margin-top:26px}
.chips{display:grid;grid-template-columns:repeat(2,max-content);gap:10px;margin-top:22px}
.chips li{display:flex;align-items:center;gap:8px;padding:8px 16px 8px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:15px;font-weight:700;box-shadow:0 2px 6px rgba(60,40,120,.05)}
.chips svg{width:22px;height:22px}
.steps{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:22px}
.steps li{display:flex;align-items:center;gap:8px;padding:6px 16px 6px 6px;border-radius:999px;background:#fff;font-weight:700;font-size:15px;box-shadow:0 2px 6px rgba(60,40,120,.08)}
.steps li b{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--purple);color:#fff;font-size:15px}
.steps{gap:8px 28px}
.steps li+li{position:relative}
.steps li+li::before{content:"→";position:absolute;left:-21px;top:50%;transform:translateY(-52%);color:var(--orange);font-weight:900}
.team-note{position:absolute;z-index:2;top:26px;right:30px;font-size:20px;line-height:1.45;color:var(--purple-ink);transform:rotate(6deg);text-align:right}

/* ---------- Drama ---------- */
.drama-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.d-card{position:relative;aspect-ratio:16/9;border:0;padding:0;border-radius:var(--radius);overflow:hidden;background-size:cover;background-position:center;box-shadow:var(--shadow);text-align:left;transition:transform .3s ease,box-shadow .3s ease}
.d-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,10,50,.35) 0%,rgba(20,10,50,0) 45%,rgba(20,10,50,0) 70%,rgba(20,10,50,.25) 100%)}
.d-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.d-cap{position:absolute;left:20px;top:16px;color:#fff;font-size:20px;line-height:1.4;text-shadow:0 2px 6px rgba(0,0,0,.45);transform:rotate(-3deg);transform-origin:left}
.play{position:absolute;left:50%;bottom:18px;width:56px;height:56px;margin-left:-28px;border-radius:50%;background:rgba(30,25,45,.72);border:3px solid #fff;box-shadow:0 6px 16px rgba(0,0,0,.25);transition:transform .25s ease,background .25s}
.play::after{content:"";position:absolute;left:21px;top:15px;border-style:solid;border-width:10px 0 10px 16px;border-color:transparent transparent transparent #fff}
.d-card:hover .play{transform:scale(1.1);background:var(--orange-ink)}

/* ---------- About band ---------- */
.about-band{display:grid;grid-template-columns:minmax(320px,4fr) 7fr;align-items:stretch;border-radius:var(--radius-lg);overflow:hidden;background:linear-gradient(100deg,#ffffff 0%,#f1f7ff 100%);box-shadow:var(--shadow)}
.ab-copy{padding:44px 24px 44px 48px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.ab-copy h2{margin-top:14px;font-size:clamp(22px,2.3vw,30px);font-weight:900;line-height:1.35}
.ab-copy .btn{margin-top:24px}
.ab-art{position:relative;min-height:300px;background-size:cover;background-position:center;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 14%);mask-image:linear-gradient(90deg,transparent 0,#000 14%)}
.ab-note{position:absolute;left:30%;top:9%;font-size:clamp(17px,1.7vw,22px);line-height:1.5;color:#1f4f8f;transform:rotate(-5deg);text-shadow:0 1px 0 rgba(255,255,255,.7)}

/* ---------- Contact ---------- */
.contact{padding-bottom:56px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr 1.15fr .9fr;gap:20px}
.c-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 24px;box-shadow:0 2px 8px rgba(60,40,120,.04)}
.c-card h3{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800}
.c-card h3 svg{width:28px;height:28px}
.c-list{margin:16px 0 0}
.c-list div{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line)}
.c-list div:last-child{border-bottom:0}
.c-list dt{flex-shrink:0;width:36px;color:var(--ink-3);font-size:14px}
.c-list dd{margin:0;font-weight:700;font-size:15px;word-break:break-all}
.c-list dd[data-config="address"]{white-space:pre-line;line-height:1.7}
.c-list dd.empty,.qr-empty{color:var(--ink-3);font-weight:600}
.qr{display:grid;place-items:center;width:min(100%,220px);aspect-ratio:1;margin:16px auto 0;padding:8px;border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
.qr a{display:block;width:100%;height:100%;border-radius:8px}
.qr a:focus-visible{outline:3px solid var(--purple);outline-offset:2px}
.qr img{display:block;width:100%;height:100%;object-fit:contain}
.qr-empty{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:13px;text-align:center;padding:0 10px}
.qr-empty svg{width:44px;height:44px}
.c-hint{margin-top:12px;text-align:center;font-size:14px;color:var(--ink-2)}
.biz-list{display:grid;gap:10px;margin-top:16px}
.biz-list button{display:flex;align-items:center;gap:10px;min-height:48px;padding:6px 16px 6px 8px;border:1.5px solid var(--line);border-radius:14px;background:#fff;font-weight:700;font-size:15px;text-align:left;transition:border-color .2s,background .2s,transform .2s}
.biz-list button i{margin-left:auto;font-style:normal;color:var(--orange-ink);transition:transform .2s}
.biz-list button:hover{border-color:#c9bbff;background:var(--lav);transform:translateX(2px)}
.biz-list button:hover i{transform:translateX(3px)}
.biz-ico{width:34px;height:34px;flex-shrink:0;background-size:contain;background-repeat:no-repeat;background-position:center;transition:transform .3s}
.biz-list button:hover .biz-ico{transform:rotate(-10deg) scale(1.08)}
.c-brand{display:flex;flex-direction:column;justify-content:space-between;align-items:center;gap:20px;padding:16px 8px}
.c-brand .hand{font-size:20px;line-height:1.5;color:var(--purple-ink);transform:rotate(-5deg);text-align:center}
.c-brand-logo{display:flex;align-items:center;gap:8px}
.c-brand-logo .img-logo{width:96px;height:96px;background-size:contain;background-repeat:no-repeat;background-position:center;animation:bob 4s ease-in-out infinite}
.brand-text.big b{font-size:36px}
.brand-text.big small{font-size:13px}
@keyframes bob{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-6px) rotate(-3deg)}}

/* ---------- Footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 24px;padding:22px 0}
.f-brand{display:flex;align-items:center;gap:20px}
.f-brand .brand-text{flex-direction:row;align-items:baseline;gap:8px}
.f-brand .brand-text b{font-size:22px}
.f-slogan{font-size:14px;color:var(--ink-2)}
.heart{color:#e56458}
.f-tags,.f-copy{font-size:14px;color:var(--ink-2)}

/* ---------- Back to top ---------- */
.to-top{position:fixed;right:20px;bottom:20px;z-index:40;width:64px;height:64px;border:0;background-color:transparent;background-size:contain;background-repeat:no-repeat;background-position:center;filter:drop-shadow(0 6px 10px rgba(80,60,160,.3));opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .3s,transform .3s,visibility .3s}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{transform:translateY(-4px) rotate(-6deg)}

/* ---------- Modals ---------- */
.modal{border:0;padding:0;background:transparent;overflow:visible;max-width:min(820px,calc(100% - 32px));width:100%;max-height:calc(100dvh - 32px);color:var(--ink)}
.modal-wide{max-width:min(1000px,calc(100% - 32px))}
.modal::backdrop{background:rgba(32,22,70,.5);backdrop-filter:blur(4px)}
.modal[open]{animation:pop .28s ease}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
.modal-box{position:relative;background:#fff;border-radius:26px;overflow:auto;max-height:calc(100dvh - 32px);box-shadow:0 30px 80px rgba(20,10,60,.35)}
.modal-close{position:absolute;top:12px;right:12px;z-index:5;width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.92);font-size:26px;line-height:1;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.modal-close:hover{background:var(--lav)}
#product-modal .modal-box{display:grid;grid-template-columns:1fr 1fr}
.pm-art{min-height:320px;background-size:cover;background-position:center}
.pm-body{padding:36px 32px 32px}
.pm-body h2{margin-top:12px;font-size:28px;font-weight:900}
.pm-desc{margin-top:10px;color:var(--ink-2)}
.pm-list{display:grid;gap:12px;margin:20px 0 26px}
.pm-list li{display:flex;gap:12px;padding:12px 14px;border-radius:14px;background:var(--lav)}
.pm-list li b{display:block;font-size:15px}
.pm-list li span{display:block;font-size:14px;color:var(--ink-2);line-height:1.55}
.pm-list .pm-dot{flex-shrink:0;width:10px;height:10px;margin-top:7px;border-radius:50%;background:var(--orange)}
.dm-screen{position:relative;aspect-ratio:16/9;background-size:cover;background-position:center;background-color:#1d1636}
.dm-screen video{width:100%;height:100%;display:block;background:#000}
.dm-soon{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:#fff;background:rgba(20,12,50,.35);text-align:center;padding:16px}
.dm-soon .play{position:relative;left:auto;bottom:auto;margin:0}
.dm-soon p{font-weight:800;font-size:18px;text-shadow:0 2px 8px rgba(0,0,0,.5)}
.dm-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 26px}
.dm-bar h2{font-size:22px;font-weight:900}
.dm-bar p{color:var(--ink-2);font-size:15px}
.dm-nav{display:flex;gap:10px}
.round-btn{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line);background:#fff;font-weight:900}
.round-btn:hover{background:var(--lav)}
.form-box{padding:30px 30px 28px;max-width:560px;margin-inline:auto}
#form-modal{max-width:min(560px,calc(100% - 32px))}
.fm-head{display:flex;align-items:center;gap:14px;margin-bottom:20px;padding-right:44px}
.fm-mascot{width:64px;height:64px;flex-shrink:0;background-size:contain;background-repeat:no-repeat;background-position:center}
.fm-head h2{font-size:24px;font-weight:900}
.fm-head p{color:var(--ink-2);font-size:15px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field>span{font-size:14px;font-weight:700}
.field input,.field select,.field textarea{width:100%;min-height:46px;padding:10px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fbfaff;font:inherit;font-size:16px;color:var(--ink);transition:border-color .2s,box-shadow .2s}
.field textarea{resize:vertical;min-height:84px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--purple);box-shadow:0 0 0 4px rgba(123,92,245,.15)}
.field input[aria-invalid="true"]{border-color:#e56458}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.form-error{min-height:20px;margin:-4px 0 8px;color:#c0392b;font-size:14px;font-weight:600}
.form-done h3{font-size:22px;font-weight:900}
.form-done p{margin-top:8px;color:var(--ink-2)}
.form-done pre{margin:16px 0;padding:14px 16px;border-radius:14px;background:var(--lav);font-family:var(--sans);font-size:14px;line-height:1.7;white-space:pre-wrap}
.done-actions{display:flex;gap:12px;flex-wrap:wrap}

.toast{position:fixed;left:50%;bottom:28px;z-index:300;transform:translate(-50%,20px);padding:12px 20px;border-radius:999px;background:var(--ink);color:#fff;font-weight:700;font-size:15px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transition:opacity .25s,transform .25s,visibility .25s;max-width:calc(100% - 32px);text-align:center}
.toast.show{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* ---------- Reveal ---------- */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width:1100px){
  .contact-grid{grid-template-columns:1fr 1fr}
  .c-brand{justify-content:center;gap:28px}
  .product-grid{grid-template-columns:1fr 1fr}
  .product-grid .p-card:last-child{grid-column:1/-1;aspect-ratio:16/7.2}
  .fc-copy{width:min(52%,520px);padding-left:36px}
}
@media (max-width:960px){
  .nav-toggle{display:flex}
  .site-nav{position:absolute;top:var(--header-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:12px;padding:12px 20px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 30px rgba(60,40,120,.12);display:none;max-height:calc(100dvh - var(--header-h));overflow:auto}
  .site-nav.open{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{width:100%;justify-content:space-between;min-height:48px;font-size:16px}
  .dropdown{position:static;width:auto;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 6px 8px;display:none}
  .has-drop:hover .dropdown{display:none}
  .has-drop.open .dropdown{display:block}
  .dropdown::before{display:none}
  .nav-cta{width:100%}
  .drama-grid{grid-template-columns:1fr 1fr}
  .drama-grid .d-card:last-child{grid-column:1/-1;aspect-ratio:16/7}
  .feature-card{flex-direction:column;align-items:stretch;min-height:0}
  .fc-art{position:relative;inset:auto;aspect-ratio:16/8;order:1}
  .feature-card::before{display:none}
  .fc-copy{width:auto;padding:28px 28px 32px;order:2}
  .platform .fc-art{background-position:72% center}
  .team .fc-art{background-position:right center;background-size:170% auto}
  .team{background:#ebe5ff}
  .platform{background:#fff}
  .team-note{display:none}
  .about-band{grid-template-columns:1fr}
  .ab-copy{padding:30px 28px 8px;order:2}
  .ab-art{order:1;-webkit-mask-image:none;mask-image:none;min-height:0;aspect-ratio:1500/636}
  .ab-copy{padding-bottom:32px}
  #product-modal .modal-box{grid-template-columns:1fr}
  .pm-art{min-height:0;aspect-ratio:16/9}
}
@media (max-width:860px){
  .hero-stage{height:auto;display:flex;flex-direction:column}
  .hero-art{position:relative;right:auto;top:auto;height:auto;width:100%;order:2;aspect-ratio:881/768;background-size:auto 100%;background-position:right center}
  .hero-blocks li{left:var(--xm);font-size:clamp(13px,3.1cqw,24px)}
  .hero-copy{position:relative;left:auto;top:auto;width:auto;order:1;padding:36px 24px 0}
  .hero h1{font-size:clamp(30px,7.6vw,48px)}
  .hero-sub{font-size:16px}
  .hero-note{margin-top:22px;font-size:17px}
  .products{margin-top:-28px}
}
@media (max-width:640px){
  .wrap{width:min(1200px,100% - 32px)}
  .brand-mark{width:42px;height:42px}
  .brand-text b{font-size:23px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:6px}
  .product-grid,.drama-grid,.contact-grid{grid-template-columns:1fr}
  .product-grid .p-card:last-child{aspect-ratio:1200/896}
  .drama-grid .d-card:last-child{aspect-ratio:16/9}
  .fc-art{aspect-ratio:4/3}
  .team .fc-art{background-size:auto 100%;background-position:86% center}
  .platform .fc-art{background-size:auto 100%;background-position:78% center}
  .fc-copy{padding:24px 22px 28px}
  .chips{grid-template-columns:1fr 1fr}
  .chips li{font-size:14px;padding:8px 12px 8px 8px}
  .steps{gap:8px}
  .steps li+li::before{display:none}
  .ab-copy{padding:24px 22px 28px}
  .c-brand{flex-direction:column;gap:12px}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .f-brand{flex-direction:column;align-items:flex-start;gap:4px}
  .field-row{grid-template-columns:1fr}
  .form-box{padding:24px 20px}
  .pm-body{padding:26px 22px 24px}
  .dm-bar{padding:16px 18px}
  .to-top{width:54px;height:54px;right:14px;bottom:14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}

/* ==========================================================
   公司详情页 about.html
   ========================================================== */
.nav-link.is-active{color:var(--purple-ink);background:var(--lav)}
.page-hero{position:relative;min-height:400px;display:flex;align-items:center;background-size:max(160%,1700px) auto;background-position:right 62%;background-repeat:no-repeat;background-color:#bfe3f4}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.92) 0%,rgba(255,255,255,.7) 34%,rgba(255,255,255,0) 60%)}
.page-hero-inner{position:relative}
.crumbs{display:flex;gap:8px;font-size:14px;color:var(--ink-2);font-weight:600}
.crumbs a{text-decoration:underline;text-underline-offset:3px}
.page-hero h1{margin-top:12px;font-size:clamp(36px,5vw,56px);font-weight:900;line-height:1.2}
.page-hero p{margin-top:8px;font-size:clamp(17px,1.8vw,21px);font-weight:700;color:var(--ink-2)}
.about-page .section{padding:40px 0}
.intro{background:#fff;border-radius:36px 36px 0 0;margin-top:-36px;position:relative;padding-top:56px!important}
.intro-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center}
.intro-copy .sec-title{margin-bottom:18px}
.intro-copy p{max-width:640px;color:var(--ink-2);line-height:1.85}
.intro-copy p+p{margin-top:12px}
.intro-copy p b{color:var(--ink)}
.intro-copy .lead{font-size:18px;color:var(--ink)}
.kw{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.kw li{display:flex;align-items:center;gap:8px;padding:6px 16px 6px 6px;border-radius:999px;background:var(--lav);font-weight:800;font-size:15px}
.kw li span{width:34px;height:34px;background-size:contain;background-repeat:no-repeat;background-position:center}
.intro-art{position:relative;aspect-ratio:1/1;max-width:420px;width:100%;justify-self:center;border-radius:50%;background:radial-gradient(circle at 50% 55%,#efe9ff 0%,#f6f2ff 55%,rgba(246,242,255,0) 70%)}
.intro-logo{position:absolute;left:50%;top:52%;width:52%;height:52%;transform:translate(-50%,-50%);background-size:contain;background-repeat:no-repeat;background-position:center;animation:bob 5s ease-in-out infinite}
.bubble{position:absolute;width:22%;height:22%;background-size:contain;background-repeat:no-repeat;background-position:center;filter:drop-shadow(0 6px 10px rgba(80,60,160,.18));animation:bob 4.5s ease-in-out infinite}
.b1{left:6%;top:12%;animation-delay:-1s}.b2{right:6%;top:8%;animation-delay:-2s}.b3{left:2%;bottom:10%;animation-delay:-3s}.b4{right:4%;bottom:12%;animation-delay:-.5s}
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.biz-card{display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;background:var(--c);box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.biz-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.biz-pic{display:block;aspect-ratio:16/9;background-size:cover;background-position:center}
.biz-txt{display:flex;flex-direction:column;gap:4px;padding:18px 20px 22px}
.biz-txt small{font-size:13px;font-weight:800;color:var(--k);letter-spacing:.04em}
.biz-txt b{font-size:20px;font-weight:900}
.biz-txt span{font-size:15px;color:var(--ink-2);line-height:1.6}
.story{position:relative;display:grid;grid-template-columns:160px 1fr;gap:32px;align-items:center;padding:36px 48px;border-radius:var(--radius-lg);background:linear-gradient(110deg,#f1ecff 0%,#fff6ee 100%);box-shadow:var(--shadow)}
.story-logo{width:160px;height:160px;background-size:contain;background-repeat:no-repeat;background-position:center}
.story h2{font-size:clamp(22px,2.4vw,28px);font-weight:900;margin-bottom:10px}
.story p{color:var(--ink-2);line-height:1.85;max-width:640px}
.story p b{color:var(--purple-ink);font-size:18px}
.story-note{position:absolute;right:40px;bottom:28px;font-size:20px;line-height:1.5;color:var(--orange-ink);transform:rotate(-6deg);text-align:right}
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.values li{position:relative;padding:26px 22px 24px;border-radius:22px;box-shadow:inset 0 -6px 0 rgba(0,0,0,.06),var(--shadow)}
.values b{display:block;font-size:26px;font-weight:900;letter-spacing:.1em}
.values span{display:block;margin-top:8px;font-size:15px;line-height:1.65}
.v-purple{background:linear-gradient(160deg,#c9b8ff,#a98df5)}.v-purple b,.v-purple span{color:#2b1a6b}
.v-orange{background:linear-gradient(160deg,#ffc79a,#fba56a)}.v-orange b,.v-orange span{color:#5c2600}
.v-yellow{background:linear-gradient(160deg,#ffe9a8,#f8d77c)}.v-yellow b,.v-yellow span{color:#5a3e00}
.v-blue{background:linear-gradient(160deg,#bfe0ff,#93c6f5)}.v-blue b,.v-blue span{color:#0f3768}
.cta-band{display:flex;align-items:center;gap:24px;padding:28px 36px;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.cta-mascot{width:88px;height:88px;flex-shrink:0;background-size:contain;background-repeat:no-repeat;background-position:center;animation:bob 4s ease-in-out infinite}
.cta-copy{flex:1}
.cta-copy h2{font-size:clamp(20px,2.1vw,26px);font-weight:900}
.cta-copy p{margin-top:6px;color:var(--ink-2)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.about-page + .site-footer{margin-top:24px}
@media (max-width:960px){
  .intro-grid{grid-template-columns:1fr;gap:24px}
  .intro-art{max-width:300px}
  .biz-grid{grid-template-columns:1fr 1fr}
  .values{grid-template-columns:1fr 1fr}
  .cta-band{flex-wrap:wrap}
  .story-note{display:none}
}
@media (max-width:640px){
  .page-hero{min-height:300px;background-size:cover;background-position:88% center}
  .page-hero::before{background:linear-gradient(180deg,rgba(255,255,255,.88) 0%,rgba(255,255,255,.55) 55%,rgba(255,255,255,0) 100%)}
  .page-hero-inner{align-self:flex-start;padding-top:40px}
  .biz-grid,.values{grid-template-columns:1fr}
  .story{grid-template-columns:1fr;padding:28px 22px;text-align:left}
  .story-logo{width:110px;height:110px}
  .cta-band{padding:24px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}