/* HKFai · 页面布局与响应式（DESIGN.md 第 9 节） */
.view{position:relative;z-index:1}
.view-flush{padding:0}
.topbar-compact .topbar-in{height:56px}
.view-flush .theatre{height:calc(100vh - 56px);height:calc(100dvh - 56px)}
.topbar{padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}
.mobile-only{display:none}
.col-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.page{padding:40px 0 96px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:64px 0 24px}
.sec-head h2{margin-bottom:6px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- 首页 ---------- */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:72px 0 40px}
.hero h1{margin:18px 0 20px}
.hero .lead{font-size:17px;line-height:1.9;color:var(--text-2);max-width:34em}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:32px 0 28px}
.stats{display:flex;gap:36px;flex-wrap:wrap;border-top:var(--hair);padding-top:22px}
.stats b{display:block;font-family:var(--font-mono);font-size:22px;color:var(--text-1);font-weight:500}
.stats span{font-size:12px;letter-spacing:.06em;color:var(--text-3)}
.demo{position:relative;border-radius:var(--r-xl);padding:26px;background:linear-gradient(180deg,rgba(27,33,48,.92),rgba(16,19,26,.96));
  border:var(--hair-gold);box-shadow:var(--shadow-3);overflow:hidden}
.demo::before{content:"";position:absolute;inset:-40% -20% auto -20%;height:220px;
  background:radial-gradient(320px 160px at 30% 0,rgba(228,193,119,.22),transparent 70%);pointer-events:none}
.demo-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
/* 固定高度的演示窗：内容底对齐滚动播放，卡片尺寸恒定，页面不随动画跳动 */
.demo-mini{display:flex;flex-direction:column;gap:14px;height:316px;overflow:hidden;justify-content:flex-end;
  -webkit-mask-image:linear-gradient(180deg,transparent 0,#000 44px);mask-image:linear-gradient(180deg,transparent 0,#000 44px)}
.demo-mini .bubble{font-size:16px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{position:relative;padding:26px 24px 24px;border:var(--hair);border-radius:var(--r-lg);background:rgba(20,24,34,.6)}
.step b{font-family:var(--font-mono);font-size:30px;color:rgba(228,193,119,.35);font-weight:500;display:block;margin-bottom:14px}
.caps .panel{height:100%}
.caps h3{margin-bottom:10px}
.caps p{color:var(--text-2);font-size:15px;line-height:1.8}
.glyph{width:38px;height:38px;border-radius:var(--r-sm);display:grid;place-items:center;margin-bottom:16px;
  border:var(--hair-gold);background:rgba(228,193,119,.06);color:var(--gold-400);font-family:var(--font-mono);font-size:15px}
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.quotebox{background:linear-gradient(180deg,var(--paper-50),var(--paper-100));border:var(--hair-paper);border-radius:var(--r-lg);
  padding:28px;color:var(--paper-text-1);box-shadow:var(--shadow-2),inset 0 1px 0 rgba(255,255,255,.6)}
.quotebox .q-narr{text-align:center;color:var(--paper-text-2);font-family:var(--font-display);font-size:16px;line-height:1.9;text-indent:2em}
.quotebox .q-line{margin-top:16px;font-family:var(--font-display);font-size:17px;line-height:1.9}
.quotebox .q-line b{font-weight:600;margin-right:8px}
.cta-band{text-align:center;padding:64px 24px;border:var(--hair-gold);border-radius:var(--r-xl);
  background:radial-gradient(600px 240px at 50% 0,rgba(228,193,119,.12),transparent 70%),rgba(20,24,34,.6)}
.site-foot{margin-top:64px;padding-top:24px;border-top:var(--hair);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:var(--text-3);font-size:13px}

/* ---------- 工作台 ---------- */
.continue{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;padding:28px 30px;
  border:var(--hair-gold);border-radius:var(--r-xl);
  background:linear-gradient(120deg,rgba(228,193,119,.10),transparent 42%),var(--ink-800);box-shadow:var(--shadow-2)}
.continue .last{font-family:var(--font-display);font-size:17px;line-height:1.9;color:var(--text-1);margin-top:12px;max-width:44ch}
.script-list{display:flex;flex-direction:column;gap:16px}
.script-card{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.script-card .meta{display:flex;gap:22px;margin-top:14px;flex-wrap:wrap}
.script-card .meta b{font-family:var(--font-mono);font-weight:500;color:var(--paper-text-1)}
.script-card .meta span{font-size:12px;color:var(--paper-text-3);margin-left:6px}
.script-card .acts{display:flex;gap:10px;align-items:center}

/* ---------- 上传 ---------- */
.up{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.drop{border:1px dashed rgba(228,193,119,.4);border-radius:var(--r-xl);padding:52px 28px;text-align:center;
  background:rgba(228,193,119,.03);transition:all var(--t-enter) var(--e-out);cursor:pointer}
.drop:hover{background:rgba(228,193,119,.06)}
.drop.over{background:rgba(228,193,119,.12);transform:scale(1.01);border-color:var(--gold-400)}
.drop .big{font-family:var(--font-display);font-size:24px;margin:18px 0 8px}
.picklist{display:flex;flex-direction:column;gap:0}
.pickrow{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:var(--hair)}
.pickrow:last-child{border-bottom:0}

/* ---------- 解析确认（三栏） ---------- */
.confirm{display:grid;grid-template-columns:240px minmax(0,1fr) 380px;gap:20px;align-items:start}
.confirm .col-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.entity{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;border-radius:var(--r-sm);
  font-size:14px;color:var(--text-2);cursor:pointer;transition:all var(--t-hover) var(--e-out)}
.entity:hover{background:rgba(237,233,224,.04);color:var(--text-1)}
.entity.on{background:rgba(228,193,119,.1);color:var(--text-1)}
.entity .n{font-family:var(--font-mono);font-size:12px;color:var(--text-3)}
.src{background:var(--ink-850);border:var(--hair);border-radius:var(--r-md);padding:18px 20px;max-height:560px;overflow:auto}
.src-line{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:5px 0;font-family:var(--font-display);font-size:16px;line-height:1.95;color:var(--text-2)}
.src-line em{font-family:var(--font-mono);font-size:12px;color:var(--text-3);font-style:normal;padding-top:6px}
.src-line mark{background:rgba(228,193,119,.18);color:var(--gold-300);border-radius:3px;padding:0 3px;cursor:pointer}
.src-line mark.new{background:rgba(206,74,51,.2);color:var(--vermilion-400)}
.field-row{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field-row label{font-size:12px;letter-spacing:.06em;color:var(--text-3)}

/* ---------- 选角 ---------- */
.cast{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start}
.cast-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.role{background:var(--ink-800);border:var(--hair);border-radius:var(--r-lg);padding:22px;cursor:pointer;
  transition:all var(--t-hover) var(--e-out);height:100%;display:flex;flex-direction:column;gap:14px}
.role:hover{transform:translateY(-2px);border-color:rgba(228,193,119,.28)}
.role.on{border-color:rgba(228,193,119,.6);transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,.45),0 0 0 1px rgba(228,193,119,.3)}
.role.on .avatar{border-color:rgba(228,193,119,.75);box-shadow:0 0 0 6px rgba(228,193,119,.12)}
.role .facts{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--text-2);line-height:1.7}
.role .facts b{color:var(--text-3);font-size:12px;letter-spacing:.06em;font-weight:500;margin-right:8px}
.know{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.know ul{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--text-2)}
.know li{position:relative;padding-left:14px;line-height:1.7}
.know li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--jade-500)}
.know .no li::before{background:var(--vermilion-500)}

/* ---------- 会话剧场 ---------- */
.theatre{display:grid;grid-template-columns:260px minmax(0,1fr) 320px;gap:0;height:calc(100vh - 64px);height:calc(100dvh - 64px)}
.theatre>.col{padding:22px 20px;overflow-y:auto;min-height:0}
.col-left{border-right:var(--hair);display:flex;flex-direction:column;gap:26px}
.col-main{padding:0!important;display:flex;flex-direction:column;position:relative}
.col-right{border-left:var(--hair);display:flex;flex-direction:column;gap:24px}
.stage-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 26px;border-bottom:var(--hair);
  background:rgba(10,12,17,.5);backdrop-filter:blur(10px)}
.stage-scroll{flex:1;overflow-y:auto;padding:6px 26px 20px}
.stage-scroll>.stream{max-width:760px;margin:0 auto}
.composer{border-top:var(--hair);padding:14px 26px 20px;background:linear-gradient(180deg,rgba(10,12,17,.55),rgba(10,12,17,.92))}
.composer-in{max-width:760px;margin:0 auto;display:flex;gap:10px;align-items:flex-end}
.composer .field{min-height:46px;max-height:180px;border-radius:var(--r-md)}
.scene-tag{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.castlist{display:flex;flex-direction:column;gap:12px}
.castrow{display:flex;align-items:center;gap:12px;padding:8px;border-radius:var(--r-md);transition:background var(--t-hover) var(--e-out)}
.castrow:hover{background:rgba(237,233,224,.03)}
.castrow .who{min-width:0}
.castrow .who b{font-size:14px;font-weight:600;display:block}
.castrow .who span{font-size:12px;color:var(--text-3)}
.director{display:flex;flex-wrap:wrap;gap:8px}
.usage{display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--text-2)}
.usage .row-between{font-family:var(--font-mono)}

/* ---------- 设置 ---------- */
.settings{display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;align-items:start}
.setnav{display:flex;flex-direction:column;gap:2px;position:sticky;top:88px}
.setnav button{text-align:left;padding:9px 12px;border-radius:var(--r-sm);color:var(--text-2);font-size:14px;transition:all var(--t-hover) var(--e-out)}
.setnav button:hover{color:var(--text-1);background:rgba(237,233,224,.04)}
.setnav button.on{color:var(--text-1);background:rgba(228,193,119,.1)}
.vset{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.vcard{border:var(--hair);border-radius:var(--r-md);padding:16px;background:rgba(20,24,34,.6)}
.vcard b{display:block;font-size:15px;margin-bottom:4px}
.dev{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:var(--hair);font-size:14px}

/* ---------- 响应式 ---------- */

/* ---------- 登录 / 注册 ---------- */
.authwrap{display:grid;grid-template-columns:1.05fr .95fr;gap:0;min-height:calc(100vh - 64px)}
.authside{padding:64px 56px;display:flex;flex-direction:column;justify-content:center;gap:22px;
  border-right:var(--hair);background:radial-gradient(700px 420px at 12% 10%,rgba(228,193,119,.1),transparent 62%)}
.authside .point{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15px;line-height:1.7}
.authside .point b{color:var(--text-1);font-weight:600}
.authform{padding:64px 56px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.authcard{width:min(420px,100%)}
.authcard .field-row{margin-bottom:14px}
/* 图形验证码（注册/登录风控） */
.captcha-row{display:flex;gap:10px;align-items:center}
.captcha-row .field{flex:1;min-width:0;text-transform:uppercase;letter-spacing:.14em}
.captcha-img{height:44px;width:132px;flex:none;border-radius:10px;cursor:pointer;
  border:1px solid rgba(228,193,119,.35);background:rgba(237,233,224,.04)}
.auth-alt{display:flex;gap:10px;margin-top:6px}
.auth-alt .btn{flex:1}
.seg-choice{display:flex;padding:4px;border-radius:var(--r-sm);background:var(--ink-800);border:var(--hair)}
.seg-choice button{flex:1;height:34px;border-radius:var(--r-xs);font-size:14px;color:var(--text-2);transition:all var(--t-hover) var(--e-out)}
.seg-choice button.on{background:rgba(228,193,119,.14);color:var(--text-1);font-weight:600}

/* ---------- 定价 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch}
.plan{display:flex;flex-direction:column;gap:16px;padding:28px 24px;border:var(--hair);border-radius:var(--r-xl);
  background:rgba(20,24,34,.62);position:relative;transition:all var(--t-hover) var(--e-out)}
.plan:hover{transform:translateY(-2px);border-color:rgba(228,193,119,.28)}
.plan.best{border-color:rgba(228,193,119,.55);box-shadow:0 20px 50px rgba(0,0,0,.5);background:linear-gradient(180deg,rgba(228,193,119,.09),rgba(20,24,34,.7) 42%)}
.plan .ribbon{position:absolute;top:-11px;left:24px;height:22px;padding:0 10px;border-radius:var(--r-pill);
  background:linear-gradient(180deg,var(--gold-300),var(--gold-500));color:#17130A;font-size:12px;font-weight:600;display:grid;place-items:center}
.plan .price{display:flex;align-items:baseline;gap:6px}
.plan .price b{font-family:var(--font-mono);font-size:34px;font-weight:500}
.plan ul{display:flex;flex-direction:column;gap:9px;font-size:14px;color:var(--text-2)}
.plan li{position:relative;padding-left:20px;line-height:1.65}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--gold-400);font-size:12px}
.plan li.off{color:var(--text-3)}
.plan li.off::before{content:"—";color:var(--text-3)}
.plan .btn{margin-top:auto}
.matrix{width:100%;border-collapse:collapse;font-size:14px}
.matrix th,.matrix td{padding:12px 14px;border-bottom:var(--hair);text-align:left}
.matrix th{color:var(--text-3);font-weight:500;font-size:12px;letter-spacing:.06em}
.matrix td:not(:first-child),.matrix th:not(:first-child){text-align:center;font-family:var(--font-mono);color:var(--text-2)}
.matrix tr:hover td{background:rgba(237,233,224,.02)}

/* ---------- 免费额度提示条 ---------- */
.banner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 16px;border-radius:var(--r-md);
  border:var(--hair-gold);background:rgba(228,193,119,.08);font-size:14px;color:var(--text-1);margin-bottom:20px}
.banner.bad{border-color:rgba(206,74,51,.45);background:rgba(206,74,51,.08)}
@media (max-width:1279px){
  .theatre{grid-template-columns:220px minmax(0,1fr)}
  .col-right{display:none}
  .confirm{grid-template-columns:220px minmax(0,1fr)}
  .confirm .col-edit{grid-column:1/-1}
  .cast{grid-template-columns:minmax(0,1fr)}
  .cast-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .hero{grid-template-columns:1fr;gap:32px;padding:44px 0 24px}
  .steps,.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .up{grid-template-columns:1fr}
  .settings{grid-template-columns:1fr}
  .setnav{position:static;flex-direction:row;overflow-x:auto;gap:8px}
  .vset{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .page{padding:24px 0 88px}
  .nav{display:none}
  .sec-head{margin:40px 0 18px;flex-direction:column;align-items:flex-start}
  .steps,.g2,.g3,.g4,.cast-grid,.vset{grid-template-columns:1fr}
  .script-card{grid-template-columns:1fr}
  .continue{grid-template-columns:1fr}
  .confirm{grid-template-columns:1fr}
  .src{max-height:320px}
  .know{grid-template-columns:1fr}
  .theatre{grid-template-columns:1fr;height:auto}
  .col-left,.col-right{display:none}
  .stage-top{flex-wrap:wrap;gap:10px;padding:12px 16px}
  .stage-top .t-h3{font-size:17px}
  .stage-scroll{padding:6px 16px 16px}
  .composer{padding:12px 16px 16px;position:sticky;bottom:0;z-index:20}
  .composer-hint{display:none}
  .msg-body{max-width:88%}
  .msg.me .msg-body{max-width:84%}
  .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 12px}
  .stats span{font-size:11px;letter-spacing:.04em}
  .demo{padding:18px}
  .demo-mini{height:296px}
  .mobile-only{display:inline-flex}
  .hero{padding:28px 0 16px}
  .hero .lead{font-size:16px}
  .plans{grid-template-columns:1fr;gap:16px}
  .topbar-in{gap:14px}
  .topbar-in .brand{font-size:17px}
  .pc-label{display:none}
  .tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin:0 -16px 16px;padding:0 16px 6px}
  .tabs::-webkit-scrollbar{display:none}
  .tabs .chip{flex:0 0 auto}
  .field{font-size:16px} /* ≥16px，防 iOS 聚焦缩放 */
  .toasts{bottom:calc(28px + env(safe-area-inset-bottom,0px))}
}

/* 章节选择页（解析完成后由用户自己挑起点） */
.chap-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start;margin-top:28px}
.chap-list{display:flex;flex-direction:column;gap:8px;max-height:64vh;overflow:auto;padding-right:6px}
.chap{display:grid;grid-template-columns:46px minmax(0,1fr) auto;gap:14px;align-items:center;padding:14px 16px;background:transparent;border:var(--hair);border-radius:var(--r-md);cursor:pointer;text-align:left;color:var(--text-2);transition:border-color var(--t-hover) var(--e-out),background var(--t-hover) var(--e-out)}
.chap:hover{border-color:rgba(228,193,119,.34);color:var(--text-1)}
.chap.on{border-color:rgba(228,193,119,.55);background:rgba(228,193,119,.07)}
.chap .no{font-family:var(--font-mono);font-size:12px;color:var(--text-3);text-align:center}
.chap.on .no{color:var(--gold-400)}
.chap .ttl{display:block;font-size:14px;font-weight:600;color:var(--text-1)}
.chap .pv{display:block;margin-top:5px;font-size:12px;color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chap .meta{font-family:var(--font-mono);font-size:11px;color:var(--text-3);text-align:right;white-space:nowrap;line-height:1.55}
.chap-more{padding:12px 4px;font-size:12px;color:var(--text-3);text-align:center}
@media (max-width:900px){.chap-wrap{grid-template-columns:1fr}.chap-list{max-height:none}}

/* 移动端：聚焦/自动滚动时别把输入框和按钮顶到 sticky 顶栏底下 */
input,textarea,select,button,a.btn{scroll-margin-top:92px;scroll-margin-bottom:32px}

/* 移动端：登录/注册页改单列、隐藏左栏海报（原来两列互挤，表单一度被挤出屏） */
@media (max-width:820px){
  .authwrap{grid-template-columns:1fr;min-height:0}
  .authside{display:none}
  .authform{padding:24px 20px 56px;gap:14px}
  .authcard{width:100%}
  .auth-alt{flex-wrap:wrap}
}

/* 触发式人机验证弹窗：短时间操作过于频繁时自动弹出，过一次即可继续 */
.chal{position:fixed;inset:0;z-index:70;display:none}
.chal.on{display:block}
.chal-scrim{position:absolute;inset:0;background:rgba(6,8,12,.62);backdrop-filter:blur(4px)}
.chal-card{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(430px,92vw);padding:26px 24px 22px;background:var(--ink-850);border:var(--hair);
  border-radius:var(--r-lg);box-shadow:0 30px 80px rgba(0,0,0,.55)}
.chal-card::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 0%,rgba(228,193,119,.12),transparent 62%)}
.chal-card .kicker{position:relative}
.chal-err{min-height:18px;margin-top:10px;color:var(--danger)}
.chal-acts{display:flex;gap:10px;margin-top:16px}
.chal-acts .btn{flex:1}
@media (max-width:520px){.chal-acts{flex-direction:column-reverse}}

/* 邮箱验证码（注册 / 找回密码） */
.captcha-row .btn{flex:none;white-space:nowrap}
.em-hint{min-height:16px;margin:6px 0 0}

/* 找回密码弹窗：登录页"忘记密码"入口，用邮箱验证码重置 */
.rst{position:fixed;inset:0;z-index:70;display:none}
.rst.on{display:block}
.rst-scrim{position:absolute;inset:0;background:rgba(6,8,12,.62);backdrop-filter:blur(4px)}
.rst-card{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(430px,92vw);padding:26px 24px 22px;background:var(--ink-850);border:var(--hair);
  border-radius:var(--r-lg);box-shadow:0 30px 80px rgba(0,0,0,.55);max-height:92vh;overflow:auto}
.rst-card::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 0%,rgba(228,193,119,.12),transparent 62%)}
.rst-card .kicker{position:relative}
.rst-acts{display:flex;gap:10px;margin-top:16px}
.rst-acts .btn{flex:1}
@media (max-width:520px){.rst-acts{flex-direction:column-reverse}}