/* ===== flai 荧光四叶 · 破壁次元 | flaiy.cn ===== */
:root{
  --deep:#0c130e;
  --deep2:#101b13;
  --deep3:#16241a;
  --paper:#f4f8f4;
  --green:#2ecf6e;
  --green-d:#17a34a;
  --green-glow:rgba(46,207,110,.35);
  --orange:#ff8a1e;
  --ink:#122016;
  --ink2:#4c5c50;
  --mist:#9db3a4;
  --line-d:rgba(46,207,110,.2);
  --line-l:rgba(18,32,22,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.76;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:12px;transition:.25s;white-space:nowrap}
.btn-pri{color:#06130b;background:linear-gradient(135deg,#5ce796,var(--green) 55%,var(--green-d));box-shadow:0 10px 24px rgba(46,207,110,.35)}
.btn-pri:hover{transform:translateY(-3px);filter:brightness(1.06)}
.btn-ghost{color:#dff5e6;border:1.5px solid rgba(46,207,110,.55);background:rgba(46,207,110,.06)}
.btn-ghost:hover{background:rgba(46,207,110,.16);transform:translateY(-3px)}
.btn-lg{padding:15px 32px;font-size:16px}
.btn:not(.btn-lg){padding:11px 24px;font-size:14.5px}

/* ===== 头部 ===== */
.hd{position:sticky;top:0;z-index:80;background:rgba(244,248,244,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-l)}
.hd-in{display:flex;align-items:center;gap:28px;height:66px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand img{width:36px;height:36px;border-radius:10px}
.brand-t{display:flex;flex-direction:column;line-height:1.25}
.brand-t strong{font-size:19px;font-weight:900;letter-spacing:.5px}
.brand-t small{font-size:11.5px;color:var(--ink2)}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{padding:8px 13px;font-size:14.5px;font-weight:600;color:var(--ink2);border-radius:9px;transition:.2s}
.nav a:hover{color:var(--ink);background:rgba(46,207,110,.12)}
.nav a.on{color:var(--green-d);background:rgba(46,207,110,.16)}
.hd-r{display:flex;align-items:center;gap:12px}
.hd-cta{padding:9px 20px;font-size:14px}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2.5px;background:var(--ink);border-radius:2px;transition:.25s}

/* ===== 区块头通用 ===== */
.sec-head{max-width:640px;margin-bottom:44px}
.sec-kick{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:2.5px;color:var(--green-d);margin-bottom:12px}
.sec-kick:before{content:"";width:26px;height:3px;background:var(--orange);border-radius:2px}
.sec-head h2,.define h2,.voices h2{font-size:30px;font-weight:900;line-height:1.42}
.sec-head.light h2{color:#eafbef}
.sec-head.light .sec-kick{color:var(--green)}
.sec-sub{margin-top:12px;font-size:15px;color:var(--ink2)}
.sec-head.light .sec-sub{color:var(--mist)}

/* ===== 英雄区：破壁连接舱 ===== */
.hero{position:relative;background:radial-gradient(900px 520px at 82% -10%,rgba(46,207,110,.22),transparent 60%),linear-gradient(168deg,#0e1a11 0%,var(--deep) 46%,#091008 100%);color:#eafbef;padding:96px 0 108px;overflow:hidden}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(46,207,110,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(46,207,110,.07) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(75% 70% at 50% 40%,#000,transparent);pointer-events:none}
.glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none}
.glow-a{width:420px;height:420px;right:-120px;top:8%;background:rgba(46,207,110,.26)}
.glow-b{width:300px;height:300px;left:-110px;bottom:-16%;background:rgba(255,138,30,.14)}
.hero-in{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.kick{display:flex;align-items:center;gap:10px;font-size:12.5px;font-weight:800;letter-spacing:3px;color:var(--green);margin-bottom:18px}
.kick-dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);animation:blink 1.8s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.hero h1{font-size:88px;font-weight:900;line-height:1;letter-spacing:1px;background:linear-gradient(135deg,#fff 30%,#8ff0b6);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-slogan{margin-top:14px;font-size:23px;font-weight:800;color:#d7f2e0}
.hero-slogan em{font-style:normal;color:var(--green);border-bottom:3px solid var(--orange);padding-bottom:2px}
.lead{margin-top:18px;font-size:15.5px;color:var(--mist);max-width:520px}
.hero-acts{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-points{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero-points li{position:relative;padding-left:14px;font-size:14px;color:var(--mist)}
.hero-points li:before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:linear-gradient(var(--green),var(--green-d))}
.hero-points b{display:block;font-size:17px;color:#eafbef}

/* 舱体 */
.pod{position:relative}
.pod-frame{position:absolute;inset:-16px;border:1.5px solid var(--line-d);border-radius:26px;transform:rotate(-1.2deg);pointer-events:none}
.pod-img{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(46,207,110,.35);box-shadow:0 30px 80px rgba(0,0,0,.5)}
.pod-img img{width:100%}
.pod-corner{position:absolute;width:22px;height:22px;border:3px solid var(--orange);z-index:3}
.pod-corner.c1{left:-26px;top:-26px;border-right:0;border-bottom:0}
.pod-corner.c2{right:-26px;top:-26px;border-left:0;border-bottom:0}
.pod-corner.c3{left:-26px;bottom:-26px;border-right:0;border-top:0}
.pod-corner.c4{right:-26px;bottom:-26px;border-left:0;border-top:0}
.link-tag{position:absolute;z-index:4;background:#fff;color:var(--ink);border-radius:13px;padding:10px 16px;line-height:1.4}
.link-tag b{display:block;font-size:14.5px}
.link-tag span{font-size:12px;color:var(--ink2)}
.link-a{left:-34px;top:34px;box-shadow:6px 6px 0 rgba(46,207,110,.9);border-left:4px solid var(--green)}
.link-b{right:-30px;bottom:52px;box-shadow:6px 6px 0 rgba(255,138,30,.9);border-left:4px solid var(--orange)}
.pod-badge{position:absolute;right:18px;top:-24px;z-index:5;width:64px;height:64px;border-radius:50%;background:linear-gradient(150deg,#f3fff7,#d9f7e3);border:2px solid var(--green);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;box-shadow:5px 5px 0 rgba(12,19,14,.9);transform:rotate(8deg)}
.pod-badge img{width:22px;height:22px;border-radius:6px}
.pod-badge i{font-style:normal;font-size:10.5px;font-weight:800;color:var(--green-d)}

/* ===== 数据条 ===== */
.dial{position:relative;z-index:5;margin-top:-46px}
.dial-in{background:linear-gradient(92deg,var(--green-d),var(--green) 60%,#5ce796);border-radius:20px;box-shadow:0 18px 44px rgba(23,163,74,.25);display:grid;grid-template-columns:repeat(4,1fr);padding:30px 20px}
.dl{text-align:center;color:#06130b;position:relative}
.dl+.dl:before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:1.5px;background:rgba(6,19,11,.18)}
.dl b{display:block;font-size:32px;font-weight:900;letter-spacing:.5px}
.dl span{font-size:13.5px;font-weight:600;opacity:.82}

/* ===== 角色捏制（浅） ===== */
.define{padding:110px 0 100px}
.df-in{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.define .sec-kick{margin-bottom:12px}
.steps{margin-top:38px;display:flex;flex-direction:column;gap:18px}
.steps li{display:flex;gap:20px;background:#fff;border:1px solid var(--line-l);border-left:5px solid var(--orange);border-radius:16px;padding:20px 24px;align-items:flex-start}
.steps li:nth-child(2){border-left-color:var(--green);margin-left:26px}
.steps li:nth-child(3){border-left-color:var(--green-d);margin-left:52px}
.st-no{font-size:30px;font-weight:900;line-height:1.1;color:transparent;-webkit-text-stroke:1.6px var(--green-d);flex-shrink:0;padding-top:2px}
.steps b{font-size:17.5px}
.steps p{font-size:14px;color:var(--ink2);margin-top:5px}
/* 档案卡 */
.df-side{display:flex;justify-content:center}
.file-card{position:relative;width:min(380px,100%);background:#fff;border:1.5px solid var(--line-l);border-radius:18px;padding:16px 16px 20px;box-shadow:10px 10px 0 rgba(23,163,74,.85);transform:rotate(1.5deg)}
.fc-tag{position:absolute;left:-14px;top:18px;z-index:2;background:var(--orange);color:#1d0f00;font-size:12px;font-weight:800;letter-spacing:1.5px;padding:6px 14px;border-radius:8px;transform:rotate(-4deg)}
.fc-img{border-radius:12px;overflow:hidden;border:1px solid var(--line-l)}
.fc-rows{margin-top:14px;display:flex;flex-direction:column;gap:9px}
.fc-rows p{display:flex;align-items:center;gap:12px;font-size:14px;border-bottom:1px dashed var(--line-l);padding-bottom:8px}
.fc-rows p:last-child{border-bottom:0;padding-bottom:0}
.fc-rows span{width:56px;flex-shrink:0;font-size:11.5px;font-weight:800;letter-spacing:1px;color:var(--green-d);background:rgba(46,207,110,.12);border-radius:6px;text-align:center;padding:3px 0}
.fc-bar{flex:1;display:flex;align-items:center;gap:10px}
.fc-bar i{display:block;height:8px;border-radius:4px;background:linear-gradient(90deg,var(--green-d),var(--green))}
.fc-bar em{font-style:normal;font-size:13px;font-weight:800;color:var(--green-d)}

/* ===== 剧本集市（深） ===== */
.scripts{background:radial-gradient(760px 420px at 12% 0%,rgba(46,207,110,.16),transparent 58%),linear-gradient(180deg,var(--deep2),#0b120d);padding:96px 0 100px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:38px}
.tag-cloud span{font-size:13.5px;font-weight:700;color:var(--green);border:1.3px solid var(--line-d);border-radius:999px;padding:7px 17px;background:rgba(46,207,110,.05);transition:.2s}
.tag-cloud span:hover{background:rgba(46,207,110,.16);transform:translateY(-2px)}
.sc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sc{background:var(--deep3);border:1px solid var(--line-d);border-top:4px solid var(--green);border-radius:16px;padding:22px 22px 18px;transition:.25s}
.sc:nth-child(3n+2){border-top-color:var(--orange)}
.sc:nth-child(3n){border-top-color:var(--green-d)}
.sc:hover{transform:translateY(-6px);border-color:rgba(46,207,110,.5)}
.sc header{display:flex;gap:14px;align-items:center;margin-bottom:14px}
.sc-ava{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:900;color:#06130b;flex-shrink:0}
.sa-1{background:linear-gradient(135deg,#5ce796,#17a34a)}
.sa-2{background:linear-gradient(135deg,#ffc46b,#ff8a1e)}
.sa-3{background:linear-gradient(135deg,#2ecf6e,#0d7a3a);color:#eafbef}
.sa-4{background:linear-gradient(135deg,#a7f3c6,#2ecf6e)}
.sa-5{background:linear-gradient(135deg,#ff9f43,#e06f00);color:#fff7ec}
.sa-6{background:linear-gradient(135deg,#189a4c,#0a5c2c);color:#eafbef}
.sc h3{font-size:18px;color:#eafbef}
.sc-by{font-size:12.5px;color:var(--mist);margin-top:2px}
.sc-line{font-size:14px;color:#c4d6c9;background:rgba(46,207,110,.07);border-left:3px solid var(--green);border-radius:0 10px 10px 0;padding:11px 14px;min-height:96px}
.sc-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}
.sc-tags i{font-style:normal;font-size:12px;font-weight:700;color:var(--orange);border:1px dashed rgba(255,138,30,.5);border-radius:6px;padding:3px 9px}

/* ===== 声线电台（浅） ===== */
.voices{padding:104px 0 106px}
.vc-in{display:grid;grid-template-columns:.94fr 1.06fr;gap:64px;align-items:center}
.voices .sec-kick{margin-bottom:12px}
.vc-feats{margin:28px 0 30px;display:flex;flex-direction:column;gap:16px}
.vc-feats li{position:relative;padding-left:26px}
.vc-feats li:before{content:"";position:absolute;left:0;top:7px;width:12px;height:12px;border-radius:3px;background:linear-gradient(135deg,var(--green),var(--green-d));transform:rotate(45deg)}
.vc-feats b{display:block;font-size:16.5px}
.vc-feats span{font-size:14px;color:var(--ink2)}
/* 电台面板 */
.radio{background:#fff;border:1.5px solid var(--line-l);border-radius:24px;overflow:hidden;box-shadow:0 24px 60px rgba(12,19,14,.16)}
.rd-head{display:flex;align-items:center;gap:10px;background:var(--deep);color:#d9f7e3;font-size:13px;font-weight:800;letter-spacing:2px;padding:15px 24px}
.rd-dot{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:blink 1.6s infinite}
.rd-list{padding:8px 0}
.rd-list li{display:flex;align-items:center;gap:16px;padding:15px 24px;border-bottom:1px solid var(--line-l);transition:.2s}
.rd-list li:last-child{border-bottom:0}
.rd-list li:hover{background:rgba(46,207,110,.06)}
.rd-no{font-size:20px;font-weight:900;color:var(--orange);width:32px;flex-shrink:0}
.rd-info{flex:1;min-width:0}
.rd-info b{display:block;font-size:15.5px}
.rd-info span{font-size:12.5px;color:var(--ink2)}
.wave{display:flex;align-items:flex-end;gap:3px;height:26px;flex-shrink:0}
.wave em{width:4px;border-radius:2px;background:linear-gradient(var(--green),var(--green-d))}
.wave em:nth-child(1){height:10px}.wave em:nth-child(2){height:20px}.wave em:nth-child(3){height:14px}.wave em:nth-child(4){height:24px}.wave em:nth-child(5){height:8px}
.rd-call{display:flex;align-items:center;gap:18px;background:var(--deep2);padding:18px 24px;border-top:2px solid var(--green)}
.rd-btn{display:inline-flex;align-items:center;gap:9px;border:0;cursor:pointer;font-size:15px;font-weight:800;color:#06130b;background:linear-gradient(135deg,#5ce796,var(--green));border-radius:12px;padding:12px 22px;transition:.25s}
.rd-btn:hover{transform:translateY(-2px)}
.rd-btn.on{background:linear-gradient(135deg,#ffc46b,var(--orange));color:#1d0f00}
.rd-live{display:flex;align-items:center;gap:12px;flex:1;min-width:0}
.eq{display:flex;align-items:flex-end;gap:3px;height:22px}
.eq em{width:4px;height:5px;border-radius:2px;background:var(--green);transition:.3s}
.rd-call.playing .eq em{animation:eq .7s infinite ease-in-out alternate}
.eq em:nth-child(2){animation-delay:.1s}.eq em:nth-child(3){animation-delay:.22s}.eq em:nth-child(4){animation-delay:.05s}.eq em:nth-child(5){animation-delay:.3s}.eq em:nth-child(6){animation-delay:.16s}.eq em:nth-child(7){animation-delay:.26s}
@keyframes eq{from{height:5px}to{height:22px}}
.rd-state{font-size:13px;color:var(--mist)}
.rd-call.playing .rd-state{color:var(--green)}

/* ===== 官方画面（深） ===== */
.shots{background:radial-gradient(700px 400px at 88% 6%,rgba(255,138,30,.12),transparent 55%),linear-gradient(180deg,#0d150f,var(--deep2));padding:96px 0 110px}
.wall{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.wl{position:relative;border:1px solid var(--line-d);border-radius:16px;overflow:hidden;background:var(--deep3)}
.wl-1,.wl-3{transform:translateY(0)}
.wl-2,.wl-4{transform:translateY(38px)}
.wl img{width:100%;border-bottom:3px solid var(--green)}
.wl-2 img,.wl-4 img{border-bottom-color:var(--orange)}
.wl-no{position:absolute;left:0;top:14px;z-index:2;background:var(--green);color:#06130b;font-size:11px;font-weight:900;letter-spacing:1.5px;padding:5px 12px 5px 10px;border-radius:0 8px 8px 0}
.wl-2 .wl-no,.wl-4 .wl-no{background:var(--orange);color:#1d0f00}
.wl figcaption{font-size:13.5px;font-weight:700;color:#d9f7e3;text-align:center;padding:13px 10px;background:rgba(46,207,110,.06)}

/* ===== 常见疑问（浅） ===== */
.faq{padding:110px 0 100px}
.faq-in{max-width:860px}
.acc{background:#fff;border:1.5px solid var(--line-l);border-radius:20px;box-shadow:0 14px 34px rgba(12,19,14,.08);overflow:hidden}
.acc-item+.acc-item{border-top:1px solid var(--line-l)}
.acc-head{width:100%;display:flex;align-items:center;gap:16px;background:none;border:0;cursor:pointer;text-align:left;padding:20px 26px;font-size:16.5px;font-weight:800;color:var(--ink);transition:.2s}
.acc-head:hover{background:rgba(46,207,110,.05)}
.acc-no{flex-shrink:0;width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:900;color:#06130b;background:linear-gradient(135deg,#5ce796,var(--green))}
.acc-item:nth-child(even) .acc-no{background:linear-gradient(135deg,#ffc46b,var(--orange));color:#1d0f00}
.acc-q{flex:1}
.acc-head i{flex-shrink:0;width:22px;height:22px;position:relative}
.acc-head i:before,.acc-head i:after{content:"";position:absolute;left:4px;right:4px;top:10px;height:2.6px;border-radius:2px;background:var(--green-d);transition:.3s}
.acc-head i:after{transform:rotate(90deg)}
.acc-item.on .acc-head i:after{transform:rotate(0)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .45s ease}
.acc-body p{padding:0 26px 24px 84px;font-size:14.8px;color:var(--ink2)}
.acc-item.on .acc-body{max-height:340px}

/* ===== 陪伴树洞（浅） ===== */
.talks{padding:20px 0 110px}
.note-wall{display:grid;grid-template-columns:1fr 1fr;gap:30px 34px}
.nt{position:relative;background:#fff;border:1px solid var(--line-l);border-radius:4px 18px 18px 18px;padding:24px 26px 18px}
.nt:before{content:"";position:absolute;left:26px;top:-11px;width:76px;height:22px;background:rgba(46,207,110,.32);border-left:1px dashed rgba(23,163,74,.5);border-right:1px dashed rgba(23,163,74,.5);transform:rotate(-2.5deg);border-radius:2px}
.nt-r{margin-top:26px}
.nt-pin{position:absolute;right:20px;top:-8px;width:16px;height:16px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ffc46b,var(--orange) 65%);border:2px solid #d96e00}
.nt p{font-size:14.8px;color:var(--ink)}
.nt footer{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:12px;border-top:1px dashed var(--line-l)}
.nt footer b{font-size:14px;color:var(--green-d)}
.nt footer time{font-size:12.5px;color:var(--ink2);font-variant-numeric:tabular-nums}

/* ===== 下载舱门（深） ===== */
.gate{background:radial-gradient(640px 420px at 50% 118%,rgba(46,207,110,.3),transparent 62%),linear-gradient(180deg,var(--deep2),#080d09);padding:104px 0 110px;text-align:center;color:#eafbef}
.gt-ring{position:relative;width:172px;height:172px;margin:0 auto 40px}
.gt-ring span{position:absolute;border-radius:50%;border:2px solid transparent}
.gr-1{inset:0;border-top-color:var(--green);border-right-color:var(--green);animation:spin 5s linear infinite}
.gr-2{inset:16px;border-bottom-color:var(--orange);border-left-color:var(--orange);animation:spin 3.6s linear infinite reverse}
.gr-3{inset:32px;border-top-color:rgba(46,207,110,.5);animation:spin 7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.gt-ring img{position:absolute;left:50%;top:50%;width:76px;height:76px;border-radius:22px;transform:translate(-50%,-50%);box-shadow:0 0 90px rgba(46,207,110,.45)}
.gate h2{font-size:33px;font-weight:900}
.gate-in>p{margin:18px auto 0;max-width:560px;font-size:15.5px;color:var(--mist)}
.gate-acts{display:flex;gap:16px;justify-content:center;margin-top:34px;flex-wrap:wrap}
.gate-meta{margin-top:22px;font-size:13px;color:var(--mist);letter-spacing:1px}

/* ===== 页脚 ===== */
.ft{background:#070b08;color:#b9cdc0;padding:48px 0 40px}
.ft-in{display:grid;grid-template-columns:auto 1fr auto;gap:34px;align-items:center}
.ft-brand{display:flex;align-items:center;gap:11px}
.ft-brand img{width:36px;height:36px;border-radius:10px}
.ft-brand strong{font-size:18px;font-weight:900;color:#eafbef}
.ft-brand span{font-size:12.5px;color:var(--mist);margin-left:2px}
.ft-nav{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.ft-nav a{font-size:13.5px;color:#b9cdc0;transition:.2s}
.ft-nav a:hover{color:var(--green)}
.ft-copy{text-align:right;font-size:12.8px;color:var(--mist);line-height:1.7}
.ft-copy a{color:#b9cdc0}
.ft-copy a:hover{color:var(--green)}

/* ===== 右侧浮动投诉 ===== */
.float-complaint{position:fixed;right:24px;bottom:220px;z-index:60;display:flex;flex-direction:column;align-items:center;gap:5px;width:62px;padding:9px 4px;border-radius:16px;background:rgba(9,16,11,.92);backdrop-filter:blur(10px);border:1px solid rgba(46,207,110,.55);color:#b9f3d2;font-size:11px;font-weight:600;box-shadow:0 10px 26px rgba(0,0,0,.5);transition:.25s}
.float-complaint:hover{background:var(--green);color:#06130b;border-color:transparent;transform:translateY(-3px)}
/* ===== 返回顶部 ===== */
.backtop{position:fixed;right:28px;bottom:160px;width:46px;height:46px;border-radius:50%;border:2px solid #06130b;background:linear-gradient(135deg,#5ce796,var(--green-d));cursor:pointer;opacity:0;visibility:hidden;transition:.3s;z-index:60;box-shadow:0 8px 20px rgba(23,163,74,.4)}
.backtop.show{opacity:1;visibility:visible}
.backtop:before{content:"";position:absolute;left:16px;top:18px;width:11px;height:11px;border-left:2.5px solid #06130b;border-top:2.5px solid #06130b;transform:rotate(45deg)}
.backtop:hover{transform:translateY(-3px)}

/* ===== 入场 ===== */
.rv{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:translateY(0)}
.wl-2.rv.in,.wl-4.rv.in{transform:translateY(38px)}

/* ===== 响应式 ===== */
@media(max-width:1080px){
  .link-a{left:-10px}
  .link-b{right:-8px}
  .sc-grid{grid-template-columns:repeat(2,1fr)}
  .wall{grid-template-columns:repeat(2,1fr);gap:30px 22px}
}
@media(max-width:920px){
  .hero{padding:70px 0 90px}
  .hero h1{font-size:64px}
  .hero-in{grid-template-columns:1fr;gap:64px}
  .hero-r{max-width:560px;margin:0 auto;width:100%}
  .dial-in{grid-template-columns:repeat(2,1fr);gap:22px 10px;padding:26px 18px}
  .dl:nth-child(3):before{display:none}
  .df-in,.vc-in{grid-template-columns:1fr;gap:56px}
  .df-side{order:2}
  .steps li:nth-child(2),.steps li:nth-child(3){margin-left:0}
  .nav{position:fixed;top:66px;left:0;right:0;flex-direction:column;background:rgba(244,248,244,.98);backdrop-filter:blur(14px);padding:14px 22px 20px;gap:2px;border-bottom:1.5px solid var(--line-l);transform:translateY(-8px);opacity:0;visibility:hidden;transition:.25s;box-shadow:0 20px 40px rgba(12,19,14,.12)}
  .nav.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav a{padding:12px 10px;font-size:15.5px}
  .burger{display:flex}
  .hd-cta{display:none}
  .ft-in{grid-template-columns:1fr;text-align:center;justify-items:center}
  .ft-copy{text-align:center}
}
@media(max-width:640px){
  .sec-head h2,.define h2,.voices h2{font-size:25px}
  .hero h1{font-size:54px}
  .hero-slogan{font-size:19px}
  .link-tag{padding:8px 12px}
  .link-tag b{font-size:13px}
  .link-a{top:14px}
  .link-b{bottom:20px}
  .pod-badge{width:56px;height:56px;right:10px}
  .sc-grid{grid-template-columns:1fr}
  .note-wall{grid-template-columns:1fr}
  .nt-r{margin-top:0}
  .acc-body p{padding-left:26px}
  .gate h2{font-size:27px}
  .wall{gap:24px 16px}
  .wl-2,.wl-4{transform:translateY(20px)}
  .wl-2.rv.in,.wl-4.rv.in{transform:translateY(20px)}
  .backtop{bottom:150px;right:22px;width:42px;height:42px}
  .backtop:before{left:14px;top:17px}
  .float-complaint{right:18px;bottom:204px;width:56px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  .wl-2,.wl-4{transform:translateY(0)}
  .gr-1,.gr-2,.gr-3,.kick-dot,.rd-dot{animation:none}
}