/* ==========================================================================
   苏哲AI /store · v3（Apple 设计语言）
   原则：产品即主角、一屏一件事、字体做层级、唯一强调色 Apple 蓝、黑白交替的节奏、
        动效克制（全页只有首屏一处循环动效）、玻璃只给浮在内容上面的东西（导航 / 购买条 / 客服钮）。
   不再加载 site.css（52 万字节的旧样式）；store.js 驱动的弹层在本文件第 13 节重新做外观，id 与结构不变。
   断点与 apple.com 一致：≥1069 桌面 / 735–1068 平板 / ≤734 手机。
   ========================================================================== */

/* 1. 令牌 ---------------------------------------------------------------- */
:root{
  --f-text:-apple-system,BlinkMacSystemFont,"SF Pro Text","Inter","PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --f-display:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter","PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --f-mono:ui-monospace,"SF Mono",SFMono-Regular,"JetBrains Mono",Menlo,Consolas,monospace;
  --bg:#fff; --bg-2:#f5f5f7; --bg-3:#e8e8ed;
  --ink:#1d1d1f; --ink-2:#6e6e73; --ink-3:#86868b; --ink-4:#424245;
  --line:#d2d2d7; --line-2:#e8e8ed;
  --blue:#0071e3; --blue-h:#0077ed; --link:#0066cc; --link-d:#2997ff;
  --eyebrow:#b64400; --eyebrow-d:#ff9f0a; --ok:#1d7d38; --warn:#b64400; --err:#d70015;
  --r-xl:28px; --r-lg:18px; --r-md:12px; --pill:980px;
  --ease:cubic-bezier(.28,.11,.32,1); --ease-out:cubic-bezier(0,0,.5,1); --spring:cubic-bezier(.2,.9,.25,1.02);
  --nav-h:48px; --wrap:1120px; --gut:22px;
  --sh-card:0 1px 2px rgba(0,0,0,.04),0 6px 18px rgba(0,0,0,.05);
  --sh-card-h:0 2px 6px rgba(0,0,0,.05),0 18px 40px rgba(0,0,0,.1);
}

/* 2. 基础 ---------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html.v3{background:var(--bg-2);color:var(--ink);-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px)}
html.v3 body{margin:0;font:400 17px/1.47 var(--f-text);letter-spacing:-.022em;color:var(--ink);background:var(--bg-2);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden}
html.v3 body:lang(zh-CN),html.v3:lang(zh-CN) body{letter-spacing:0}
:where(html.v3) img{max-width:100%;display:block}
:where(html.v3) button{font:inherit;color:inherit;letter-spacing:inherit}
:where(html.v3) a{color:var(--link);text-decoration:none}
:where(html.v3) a:hover{text-decoration:underline}
html.v3 :focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
html.v3 [hidden]{display:none!important}
html.v3 sup{font-size:.6em;line-height:0;vertical-align:.7em;margin-left:1px}
html.v3 .v3-engine{display:none!important}
.v3-skip{position:fixed;left:12px;top:-60px;z-index:2147483647;background:var(--blue);color:#fff!important;padding:10px 16px;border-radius:var(--pill);font-size:14px;transition:top .2s}
.v3-skip:focus{top:12px;text-decoration:none}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:8px 16px;border:0;border-radius:var(--pill);font:400 14px/1.2 var(--f-text);letter-spacing:-.01em;text-decoration:none!important;white-space:nowrap;cursor:pointer;transition:background-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease),transform .14s var(--ease);-webkit-tap-highlight-color:transparent}
.btn:active{transform:scale(.97)}
.btn-lg{min-height:48px;padding:12px 24px;font-size:17px}
.btn-block{width:100%}
.btn-primary{background:var(--blue);color:#fff!important}
.btn-primary:hover{background:var(--blue-h)}
.btn-secondary{background:transparent;color:var(--link)!important;box-shadow:inset 0 0 0 1px var(--blue)}
.btn-secondary:hover{background:var(--blue);color:#fff!important}
.btn-ghost-dark{background:transparent;color:var(--link-d)!important;box-shadow:inset 0 0 0 1px var(--link-d)}
.btn-ghost-dark:hover{background:var(--link-d);color:#000!important}
.btn-gray{background:var(--bg-3);color:var(--ink)!important}
.btn-gray:hover{background:#dedee3}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:default;pointer-events:none}
.btn-price{min-height:30px;padding:5px 14px;font-weight:600;font-size:14px;letter-spacing:0;background:var(--bg-3);color:var(--blue)!important;font-variant-numeric:tabular-nums}
.btn-price:hover{background:#dcdce2}
.btn-price.is-out{color:var(--ink-3)!important;background:var(--bg-2)}
.tlink{display:inline-flex;align-items:center;gap:1px;padding:0;margin:0;border:0;background:none;color:var(--link);font:inherit;font-size:17px;line-height:1.3;cursor:pointer;text-decoration:none;white-space:nowrap}
.tlink:hover{text-decoration:underline}
.tlink-dark{color:var(--link-d)!important}
.chev-r::after{content:"";display:inline-block;width:6px;height:6px;margin-left:5px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:translateY(-1px) rotate(45deg)}
.chev-d::after{content:"";display:inline-block;width:6px;height:6px;margin-left:7px;border-bottom:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:translateY(-3px) rotate(45deg);transition:transform .3s var(--ease)}
.is-open > .chev-d::after,[aria-expanded="true"] > .chev-d::after{transform:translateY(1px) rotate(225deg)}
.play-ic::after{content:"";display:inline-block;margin-left:7px;border-left:7px solid currentColor;border-top:4.5px solid transparent;border-bottom:4.5px solid transparent;transform:translateY(-1px)}
.ext-ic::after{content:"↗";display:inline-block;margin-left:3px;font-size:.86em}

/* 3. 全局导航 ------------------------------------------------------------- */
.gnav{position:fixed;top:0;left:0;right:0;z-index:9990;height:var(--nav-h);color:#e8e8ed;background:rgba(22,22,23,.86);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);font:400 12.5px/1 var(--f-text);letter-spacing:-.01em}
.gnav-inner{position:relative;display:flex;align-items:center;height:100%;width:min(1200px,100% - 2*var(--gut));margin:0 auto;gap:20px}
.gnav-brand{display:inline-flex;align-items:center;gap:8px;height:100%;color:#f5f5f7!important;text-decoration:none!important;flex:0 0 auto}
.gnav-logo{width:20px;height:13px;color:#f5f5f7;flex:0 0 auto}
.gnav-brand-name{font:600 14px/1 var(--f-text);letter-spacing:-.01em}
.gnav-links{display:flex;align-items:center;justify-content:center;gap:4px;flex:1 1 auto;height:100%;min-width:0}
.gnav-link{position:relative;display:inline-flex;align-items:center;gap:4px;height:var(--nav-h);padding:0 12px;border:0;background:none;color:rgba(255,255,255,.8)!important;font:inherit;font-size:12.5px;text-decoration:none!important;white-space:nowrap;cursor:pointer;transition:color .2s}
.gnav-link:hover,.gnav-menu[data-menu-open="true"] > .gnav-link{color:#fff!important}
.gnav-chev{display:inline-block;width:5px;height:5px;margin-left:3px;border-bottom:1.2px solid currentColor;border-right:1.2px solid currentColor;transform:translateY(-2px) rotate(45deg);opacity:.7;transition:transform .3s var(--ease)}
.gnav-menu[data-menu-open="true"] .gnav-chev{transform:translateY(1px) rotate(225deg)}
.gnav-menu{position:static;height:100%;display:flex;align-items:center}
.gnav-actions{display:flex;align-items:center;gap:6px;flex:0 0 auto;height:100%}
.gnav-icon{display:grid;place-items:center;width:36px;height:36px;border:0;border-radius:50%;background:none;color:rgba(255,255,255,.8);cursor:pointer;transition:color .2s,background-color .2s}
.gnav-icon:hover{color:#fff;background:rgba(255,255,255,.08)}
.gnav-icon svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.4}
.gnav-login{display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:var(--pill);background:#f5f5f7;color:#1d1d1f!important;font:500 12px/1 var(--f-text);text-decoration:none!important;white-space:nowrap}
.gnav-login:hover{background:#fff}
.gnav-burger{display:none;position:relative;width:40px;height:40px;border:0;background:none;cursor:pointer;margin-right:-10px}
.gnav-burger-bar{position:absolute;left:12px;width:16px;height:1.4px;border-radius:1px;background:#e8e8ed;transition:transform .35s var(--ease),top .35s var(--ease)}
.gnav-burger-bar:nth-child(1){top:16.5px}
.gnav-burger-bar:nth-child(2){top:22.5px}
body.nav-open .gnav-burger-bar:nth-child(1){top:19.5px;transform:rotate(45deg)}
body.nav-open .gnav-burger-bar:nth-child(2){top:19.5px;transform:rotate(-45deg)}

/* 全宽下拉（Apple globalnav flyout） */
.gnav-flyout{position:fixed;left:0;right:0;top:var(--nav-h);z-index:2;color:#e8e8ed;background:rgba(22,22,23,.96);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);visibility:hidden;opacity:0;transform:translateY(-6px);transition:opacity .28s var(--ease),transform .32s var(--ease),visibility 0s linear .32s;pointer-events:none}
.gnav-menu[data-menu-open="true"] > .gnav-flyout{visibility:visible;opacity:1;transform:none;transition-delay:0s;pointer-events:auto}
.flyout-inner{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:44px;width:min(980px,100% - 2*var(--gut));margin:0 auto;padding:40px 0 64px}
.flyout-col{display:flex;flex-direction:column;align-items:flex-start;gap:4px;min-width:0}
.flyout-kicker{margin:0 0 12px;color:#86868b;font:400 12px/1.33 var(--f-text)}
.flyout-big{display:block;padding:4px 0;border:0;background:none;color:#e8e8ed!important;font:600 24px/1.25 var(--f-display);letter-spacing:-.01em;text-align:left;text-decoration:none!important;cursor:pointer}
.flyout-big:hover{color:#fff!important}
.flyout-link{display:flex;align-items:baseline;gap:10px;padding:4px 0;color:#e8e8ed!important;font:600 14px/1.4 var(--f-text);text-decoration:none!important}
.flyout-link:hover{color:#fff!important}
.flyout-link .chub-row-meta{color:#86868b;font-weight:400;font-size:12px;font-variant-numeric:tabular-nums}
.flyout-link.is-copied .chub-row-meta,.flyout-link .chub-row-meta.is-copied{color:#30d158}
.flyout-note{margin:0;max-width:300px;color:#a1a1a6;font:400 13px/1.55 var(--f-text)}
.gnav-scrim{position:fixed;inset:var(--nav-h) 0 0;z-index:9980;background:rgba(0,0,0,.24);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);opacity:0;visibility:hidden;transition:opacity .32s var(--ease),visibility 0s linear .32s;pointer-events:none}
body:has(#contactMenu[data-menu-open="true"]) .gnav-scrim,
body:has(#freeToolsMenu[data-menu-open="true"]) .gnav-scrim{opacity:1;visibility:visible;transition-delay:0s}

/* 小浮层（语言） */
.gnav-lang{position:relative}
.gnav-pop{position:absolute;top:calc(100% - 4px);right:-6px;z-index:3;min-width:172px;padding:6px;border-radius:14px;background:rgba(40,40,42,.92);-webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px);box-shadow:0 18px 44px rgba(0,0,0,.42),inset 0 0 0 .5px rgba(255,255,255,.12);visibility:hidden;opacity:0;transform:translateY(-4px) scale(.98);transform-origin:top right;transition:opacity .2s var(--ease),transform .24s var(--ease),visibility 0s linear .24s}
.gnav-menu[data-menu-open="true"] > .gnav-pop{visibility:visible;opacity:1;transform:none;transition-delay:0s}
.gnav-pop-item{display:flex;align-items:center;justify-content:space-between;width:100%;padding:9px 12px;border:0;border-radius:9px;background:none;color:#f5f5f7;font:400 14px/1.2 var(--f-text);text-align:left;cursor:pointer}
.gnav-pop-item:hover{background:rgba(255,255,255,.09)}
.gnav-pop-item.is-active::after{content:"";width:9px;height:5px;border-left:1.6px solid #2997ff;border-bottom:1.6px solid #2997ff;transform:rotate(-45deg) translateY(-2px)}

/* 账户（tier-badge.js 画的身份胶囊：压到 48px 导航里，名字改纯色、保留等级色与徽章） */
#accountCombo{position:relative;height:100%;display:flex;align-items:center}
#accountCombo .nav-cta-combo{display:flex;align-items:center;height:100%}
#accountCombo #centerLink{display:inline-flex;align-items:center;gap:8px;height:100%;color:#e8e8ed!important;text-decoration:none!important}
#accountCombo:not(.sz-tiered) .nav-avatar{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#3a3a3c;color:#f5f5f7;font:600 12px/1 var(--f-text);overflow:hidden}
#accountCombo:not(.sz-tiered) .nav-primary-cta-label{font-size:12.5px}
#accountCombo:not(.sz-tiered) #accountMenuToggleBtn{width:24px;height:24px;border:0;background:none;color:rgba(255,255,255,.7);cursor:pointer}
html.v3 body #accountCombo.sz-tiered .nav-cta-combo,html.v3 body #accountCombo.sz-tiered #centerLink{min-height:var(--nav-h)!important;height:var(--nav-h)}
html.v3 body #accountCombo.sz-tiered .sz-id{height:var(--nav-h);gap:9px;padding:0 2px 0 14px}
html.v3 body #accountCombo.sz-tiered .sz-id::before{height:20px;background:rgba(255,255,255,.16)}
html.v3 body #accountCombo.sz-tiered .sz-id-avatar{width:28px;height:28px;flex-basis:28px;font-size:12.5px}
html.v3 body #accountCombo.sz-tiered .sz-id-badge{width:22px;height:22px;flex-basis:22px}
html.v3 body #accountCombo.sz-tiered .sz-id-badge::before{inset:-6px;opacity:.32}
html.v3 body #accountCombo.sz-tiered .sz-id-badge svg{width:20px!important;height:20px!important;filter:none}
html.v3 body #accountCombo.sz-tiered .sz-id-text{flex-direction:row;align-items:center;gap:7px}
html.v3 body #accountCombo.sz-tiered .sz-id-email{max-width:150px;font-size:12.5px!important;font-weight:600!important;line-height:1.2!important;letter-spacing:-.01em!important;padding:1px 2px 2px 0!important;filter:none!important}
/* 无等级账号（累计消费 0）：tier-badge.css 的浅色页规则把名字写成 #1f1f1f，在深色导航上几乎看不见，压回浅色 */
html.v3 body #accountCombo.sz-tiered[data-sz-tier="0"] .sz-id-email{color:#f5f5f7!important}
html.v3 body #accountCombo.sz-tiered .sz-id-tier{font-size:11px!important;font-weight:700!important;letter-spacing:.02em!important;line-height:1!important;filter:none!important}
html.v3 body #accountCombo.sz-tiered .sz-id-tier[hidden]{display:none!important}
/* 账户菜单卡（原来靠 site.css，这里补上） */
#accountCombo .nav-account-card{position:absolute;top:calc(100% - 4px);right:-6px;z-index:3;width:292px;padding:8px;border-radius:16px;background:rgba(40,40,42,.94);-webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px);box-shadow:0 18px 44px rgba(0,0,0,.42),inset 0 0 0 .5px rgba(255,255,255,.12);color:#f5f5f7;visibility:hidden;opacity:0;transform:translateY(-4px) scale(.98);transform-origin:top right;transition:opacity .2s var(--ease),transform .24s var(--ease),visibility 0s linear .24s}
#accountCombo[data-menu-open="true"] .nav-account-card{visibility:visible;opacity:1;transform:none;transition-delay:0s}
#accountCombo .nav-account-card-status{display:flex;flex-direction:column;gap:3px;padding:10px 12px 12px;border-bottom:.5px solid rgba(255,255,255,.12);margin-bottom:4px}
#accountCombo .nav-account-card-label{color:#a1a1a6;font-size:12px}
#accountCombo .nav-account-card-account{font:600 14px/1.3 var(--f-text);word-break:break-all}
#accountCombo .nav-account-card-link{display:flex;width:100%;padding:10px 12px;border:0;border-radius:9px;background:none;color:#f5f5f7!important;font:400 14px/1.2 var(--f-text);text-align:left;text-decoration:none!important;cursor:pointer}
#accountCombo .nav-account-card-link:hover{background:rgba(255,255,255,.09)}
#accountCombo .nav-account-card-link-danger{color:#ff6961!important}

/* 4. 首屏 ---------------------------------------------------------------- */
.hero{--head:148px;--fold-gap:40px;box-sizing:border-box;height:max(440px,calc(100vh - var(--head)));height:max(440px,calc(100svh - var(--head)));position:relative;isolation:isolate;overflow:hidden;display:flex;flex-direction:column;align-items:center;padding:calc(var(--nav-h) + 64px) 0 56px;background:radial-gradient(56% 60% at 12% 0%,rgba(46,211,166,.075),transparent 70%),radial-gradient(48% 56% at 92% 6%,rgba(90,125,255,.085),transparent 70%),#000;color:#f5f5f7;text-align:center}
.hero-inner{position:relative;z-index:1;max-width:980px;padding:0 var(--gut)}
.hero-title{margin:0;font:600 clamp(48px,6vw,80px)/1.05 var(--f-display);letter-spacing:-.02em;font-feature-settings:"halt";animation:v3Rise 1.1s var(--spring) both}
.hero-ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:28px;animation:v3Rise 1.1s var(--spring) .1s both}
/* 首屏 3D 陈列图：宽度按「视口高度 − 文字区」反推（--ar = 图片宽高比），保证第一屏底部还能看到 ChatGPT 标题；比视口宽时两侧裁掉（图两侧本来就渐隐） */
.hero-stage{display:flex;justify-content:center;flex:1 1 0;min-height:0;width:100%;margin-top:6px;animation:v3Fade 1.2s var(--ease) .15s both}
#v3Gpt{padding-top:64px}
#v3Gpt .sec-head{margin-bottom:60px}
.hero-stage img{display:block;flex:none;height:100%;width:auto;max-width:min(132vw,2560px);object-fit:contain;object-position:50% 72%;-webkit-user-select:none;user-select:none;pointer-events:none}
@keyframes v3Rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@keyframes v3Pop{from{opacity:0;transform:translateY(18px) scale(.86)}to{opacity:1;transform:none}}
@keyframes v3Fade{from{opacity:0}to{opacity:1}}

/* 6b. 限时横幅：GPT Plus 学生号（Apple 首页 iPhone 横幅式；上方留一道与精选大卡同宽的白缝） ----- */
.promo{position:relative;isolation:isolate;overflow:hidden;display:flex;flex-direction:column;align-items:center;padding:60px var(--gut) 0;border-top:12px solid var(--bg);background:#000;color:#f5f5f7;text-align:center}
.promo[hidden]{display:none}
.promo-copy{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;max-width:860px}
.promo-eyebrow{margin:0;color:var(--eyebrow-d);font:600 14px/1.29 var(--f-text)}
.promo-title{margin:6px 0 0;font:600 clamp(40px,4.4vw,56px)/1.07 var(--f-display);letter-spacing:-.005em;word-break:keep-all;overflow-wrap:anywhere;text-wrap:balance}
.promo-sub{margin:8px 0 0;font:400 clamp(21px,2vw,28px)/1.18 var(--f-text);letter-spacing:.004em;word-break:keep-all;overflow-wrap:anywhere;text-wrap:balance}
.promo-price{margin:12px 0 0;color:#a1a1a6;font:400 14px/1.43 var(--f-text)}
.promo-price s{margin-left:6px;opacity:.75}
.promo-price .promo-dot{margin:0 6px}
.promo-price .is-low{color:var(--eyebrow-d)}
.promo-warn{margin:6px 0 0;color:var(--eyebrow-d);font:600 12px/1.33 var(--f-text)}
.promo-ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:24px}
.promo .btn-gray,.promo .btn[disabled]{opacity:1;background:rgba(255,255,255,.1);color:rgba(245,245,247,.62)!important;box-shadow:none;cursor:default}
.promo-visual{display:block;width:min(1080px,92vw);aspect-ratio:1200/428;margin:30px auto 0}
.promo-visual img{display:block;width:100%;height:100%;object-fit:contain;-webkit-user-select:none;user-select:none;pointer-events:none}

/* 5. 区块 ---------------------------------------------------------------- */
.sec{padding:96px 0 104px}
.sec-gray{background:var(--bg-2)}
.sec-white{background:var(--bg)}
.sec-inner{width:min(var(--wrap),100% - 2*var(--gut));margin:0 auto}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin:0 0 36px}
.sec-title{max-width:820px;margin:0;text-wrap:pretty;font:600 clamp(28px,3.3vw,40px)/1.1 var(--f-display);letter-spacing:-.015em}
.t-strong{color:var(--ink)}
.t-soft{color:var(--ink-2)}
.sec-links{display:flex;flex-wrap:wrap;gap:8px 28px;justify-content:flex-end;padding-bottom:4px}
.eyebrow{margin:0;color:var(--eyebrow);font:600 12px/1.33 var(--f-text);letter-spacing:0}

/* 大标题：中文只在标点 / 空格处换行，避免「价。」「要的。」落单 */
.hero-title,.sec-title,.tile-title,.partner-title,.sh-title,.cmp-head h2,.why-title,.plan-tag,.tile-sub,.partner-sub{word-break:keep-all;overflow-wrap:anywhere;text-wrap:balance}

/* 显现（只在第一次进入视口时） */
.rv{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform 1s var(--ease)}
.rv.in{opacity:1;transform:none}

/* 6. ChatGPT 方案卡 ------------------------------------------------------- */
.plans{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.plan{position:relative;display:flex;flex-direction:column;min-width:0;padding:30px 24px 24px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--sh-card);transition:transform .45s var(--ease),box-shadow .45s var(--ease);cursor:pointer}
.plan:hover{transform:translateY(-3px);box-shadow:var(--sh-card-h)}
.plan-media{display:grid;place-items:center;height:132px;margin:0 0 18px}
.plan-media img{width:132px;height:132px;object-fit:contain;filter:drop-shadow(0 14px 16px rgba(0,0,0,.16));transition:transform .7s var(--spring)}
.plan:hover .plan-media img{transform:scale(1.05) rotate(-2deg)}
.plan-eyebrow{min-height:16px;margin:0 0 4px;color:var(--eyebrow);font:600 12px/1.33 var(--f-text)}
.plan-brand{display:block;margin:0 0 1px;color:var(--ink-2);font:400 14px/1.3 var(--f-text)}
.plan-name{margin:0;color:var(--ink);font:600 26px/1.12 var(--f-display);letter-spacing:-.012em}
.plan-tag{min-height:40px;margin:10px 0 0;color:var(--ink-2);font:400 14px/1.43 var(--f-text)}
.plan-price{display:flex;align-items:baseline;gap:6px;margin:22px 0 0;color:var(--ink);font:600 28px/1 var(--f-display);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.plan-price .unit{color:var(--ink-2);font:400 14px/1 var(--f-text)}
.plan-price s{color:var(--ink-3);font:400 14px/1 var(--f-text);text-decoration-thickness:1px}
.plan-price-note{min-height:17px;margin:6px 0 0;color:var(--ink-2);font:400 12px/1.4 var(--f-text)}
.plan-price-note b{color:var(--ink);font-weight:600}
.plan-points{display:grid;gap:9px;margin:20px 0 0;padding:18px 0 0;border-top:1px solid var(--line-2);list-style:none}
.plan-points li{display:grid;grid-template-columns:16px minmax(0,1fr);gap:8px;color:var(--ink);font:400 13px/1.45 var(--f-text)}
.plan-points li.is-no{color:var(--ink-2)}
.pt-ic{display:grid;place-items:center;width:16px;height:16px;margin-top:1.5px;border-radius:50%}
.pt-ic svg{width:10px;height:10px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pt-ok{color:#fff;background:var(--ink)}
.pt-up{color:#fff;background:var(--blue)}
.pt-no{color:var(--ink-3);background:var(--bg-3)}
.pt-warn{color:#fff;background:#e37400}
.pt-info{color:var(--ink-2);background:var(--bg-3)}
.plan-avail{margin-top:auto;padding-top:18px;color:var(--ink-2);font:400 12px/1.33 var(--f-text)}
.plan-avail.is-low{color:var(--warn)}
.plan-ctas{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:14px}
.plan-ctas .tlink{font-size:14px}
.plans-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 18px;margin:36px auto 0;color:var(--ink-2);font:400 14px/1.43 var(--f-text);text-align:center}
.plans-foot .tlink{font-size:14px}
.plans-foot .pf-badge{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:var(--pill);background:#fff;color:var(--ink);box-shadow:var(--sh-card);font-weight:500}
.plans-foot .pf-dot{width:7px;height:7px;border-radius:50%;background:#30d158;box-shadow:0 0 0 3px rgba(48,209,88,.18)}

/* 7. 精选大卡 ------------------------------------------------------------- */
.tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:12px;background:var(--bg)}
.tile{position:relative;overflow:hidden;isolation:isolate;display:flex;flex-direction:column;align-items:center;min-height:clamp(560px,46vw,680px);padding:58px var(--gut) 0;background:var(--bg-2);color:var(--ink);text-align:center;cursor:pointer}
.tile.is-dark{background:#000;color:#f5f5f7}
.tile-eyebrow{min-height:18px;margin:0;color:var(--eyebrow);font:600 14px/1.29 var(--f-text)}
.tile.is-dark .tile-eyebrow{color:var(--eyebrow-d)}
.tile-title{margin:4px 0 0;font:600 clamp(32px,3.5vw,48px)/1.08 var(--f-display);letter-spacing:-.018em}
.tile-sub{max-width:460px;margin:8px 0 0;font:400 clamp(17px,1.6vw,21px)/1.38 var(--f-text)}
.tile-price{margin:10px 0 0;color:var(--ink-2);font:400 14px/1.43 var(--f-text)}
.tile.is-dark .tile-price{color:#a1a1a6}
.tile-price s{margin-left:6px;opacity:.75}
.tile-warn{margin:8px 0 0;color:var(--warn);font:600 12px/1.33 var(--f-text)}
.tile.is-dark .tile-warn{color:var(--eyebrow-d)}
.tile-ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:20px}
.tile-media{position:relative;width:min(52%,320px);aspect-ratio:1;margin:auto 0 40px}
.tile-media img{position:relative;z-index:1;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 30px 30px rgba(0,0,0,.18));transition:transform 1s var(--spring)}
.tile.is-dark .tile-media img{filter:drop-shadow(0 24px 40px rgba(0,0,0,.6))}
.tile:hover .tile-media img{transform:translateY(-8px) scale(1.035)}
.tile-media::before{content:"";position:absolute;inset:6% 6% 10%;z-index:0;border-radius:50%;background:radial-gradient(closest-side,var(--glow,rgba(255,255,255,.18)),transparent);filter:blur(18px);opacity:0;transition:opacity .8s}
.tile.is-dark .tile-media::before{opacity:.75}
.tile .ed-live{justify-content:center;margin:12px 0 0}

/* 实时倒计时（ChatGPT Business 席位；store.js 每秒刷新 .ed-live[data-live-until]） */
.ed-live{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.ed-live-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:var(--pill);background:rgba(0,113,227,.08);color:#0058b0;font:500 12px/1.3 var(--f-text);white-space:nowrap}
.ed-live-chip.ed-live-drop{background:rgba(227,116,0,.1);color:#9a4a00}
.is-dark .ed-live-chip{background:rgba(41,151,255,.16);color:#79b8ff}
.is-dark .ed-live-chip.ed-live-drop{background:rgba(255,159,10,.15);color:#ffb340}
.ed-live-dot{width:6px;height:6px;border-radius:50%;background:currentColor;animation:v3Blink 1.6s ease-in-out infinite}
.ed-live-v{font:600 12.5px/1 var(--f-mono);font-variant-numeric:tabular-nums}
.ed-live-sub{opacity:.75}
.ed-live.is-urgent .ed-live-main{background:rgba(215,0,21,.08);color:var(--err)}
.ed-live.is-ended .ed-live-dot{animation:none}
@keyframes v3Blink{50%{opacity:.3}}

/* 8. 类目 + 列表 ---------------------------------------------------------- */
.chips-wrap{display:flex;margin:0 calc(-1 * var(--gut)) 30px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 var(--gut),#000 calc(100% - var(--gut)),transparent);mask-image:linear-gradient(90deg,transparent 0,#000 var(--gut),#000 calc(100% - var(--gut)),transparent)}
.chips-wrap::-webkit-scrollbar{display:none}
.chips{display:flex;gap:4px;width:max-content;margin:0 auto;padding:4px var(--gut) 6px}
.chip{display:flex;flex-direction:column;align-items:center;gap:9px;width:80px;padding:6px 2px 8px;border:0;border-radius:14px;background:none;color:var(--ink);font:400 12px/1.3 var(--f-text);cursor:pointer;-webkit-tap-highlight-color:transparent}
.chip-ic{position:relative;display:grid;place-items:center;width:56px;height:56px;border-radius:14px;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.05),0 4px 12px rgba(0,0,0,.05);transition:box-shadow .3s var(--ease),transform .3s var(--spring)}
.chip-ic img{width:76%;height:76%;object-fit:contain}
.chip-ic svg{width:24px;height:24px;fill:none;stroke:var(--ink);stroke-width:1.6}
.chip:hover .chip-ic{transform:translateY(-2px);box-shadow:0 2px 4px rgba(0,0,0,.05),0 10px 22px rgba(0,0,0,.09)}
.chip-name{white-space:nowrap}
.chip.is-active .chip-ic{box-shadow:0 0 0 2px var(--blue),0 8px 20px rgba(0,113,227,.16)}
.chip.is-active .chip-name{color:var(--ink);font-weight:600}
.chip-n{margin-top:-6px;color:var(--ink-3);font-size:11px;font-variant-numeric:tabular-nums}

.plist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.prow{display:grid;grid-template-columns:72px minmax(0,1fr) auto;align-items:center;gap:16px;min-width:0;padding:14px 18px 14px 14px;border-radius:var(--r-lg);background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.03);cursor:pointer;transition:box-shadow .35s var(--ease),transform .35s var(--ease)}
.prow:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(0,0,0,.08)}
.prow-ic{display:grid;place-items:center;width:72px;height:72px;border-radius:16px;background:var(--bg-2)}
.prow-ic img{width:80%;height:80%;object-fit:contain;transition:transform .6s var(--spring)}
.prow:hover .prow-ic img{transform:scale(1.07)}
.prow-main{min-width:0}
.prow-eyebrow{margin:0 0 1px;color:var(--eyebrow);font:600 11px/1.3 var(--f-text)}
.prow-name{margin:0;overflow:hidden;color:var(--ink);font:600 17px/1.25 var(--f-text);letter-spacing:-.015em;white-space:nowrap;text-overflow:ellipsis}
.prow-sub{display:-webkit-box;margin:3px 0 0;overflow:hidden;color:var(--ink-2);font:400 13px/1.38 var(--f-text);-webkit-line-clamp:2;-webkit-box-orient:vertical}
.prow-meta{margin:5px 0 0;color:var(--ink-3);font:400 12px/1.3 var(--f-text);font-variant-numeric:tabular-nums}
.prow-meta .is-low{color:var(--warn)}
.prow-meta .is-warn{color:var(--warn);font-weight:600}
.prow-side{display:flex;flex-direction:column;align-items:flex-end;gap:5px}
.prow-was{color:var(--ink-3);font:400 11px/1 var(--f-text);text-decoration:line-through}
.prow.is-out{box-shadow:none;background:rgba(255,255,255,.6)}
.prow.is-out .prow-ic img{opacity:.55;filter:grayscale(.35)}
.prow.is-out .prow-name{color:var(--ink-2)}
.prow.is-hl{animation:v3Hl 2.4s var(--ease)}
@keyframes v3Hl{0%,60%{box-shadow:0 0 0 3px var(--blue),0 12px 30px rgba(0,113,227,.18)}100%{box-shadow:0 1px 2px rgba(0,0,0,.03)}}
.plist-more{display:flex;justify-content:center;margin-top:28px}
.plist-more .tlink{font-size:14px}
.plist-empty{grid-column:1/-1;padding:48px 0;color:var(--ink-2);text-align:center}

/* 9. 代理 ---------------------------------------------------------------- */
.partner{position:relative;overflow:hidden;isolation:isolate;padding:132px var(--gut) 136px;background:#000;color:#f5f5f7;text-align:center}
.partner-glow{position:absolute;left:50%;bottom:-52%;z-index:-1;width:min(1400px,170%);height:110%;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(255,159,10,.26),rgba(255,55,95,.14) 42%,rgba(191,90,242,.08) 62%,transparent 74%);pointer-events:none}
.partner-inner{max-width:820px;margin:0 auto}
.partner-eyebrow{display:inline-flex;align-items:center;margin:0;color:#ffb340;font:600 14px/1.29 var(--f-text)}
.partner.is-member .partner-eyebrow{color:#f5f5f7}
.dot-live{display:inline-block;width:8px;height:8px;margin-right:9px;border-radius:50%;background:#30d158;box-shadow:0 0 0 4px rgba(48,209,88,.2)}
.partner-title{margin:12px 0 0;font:600 clamp(36px,5vw,64px)/1.06 var(--f-display);letter-spacing:-.022em}
.partner-sub{max-width:640px;margin:18px auto 0;color:#a1a1a6;font:400 clamp(17px,1.7vw,21px)/1.45 var(--f-text)}
.partner-price{display:flex;align-items:baseline;justify-content:center;gap:4px;margin:30px 0 0;font:600 64px/1 var(--f-display);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.partner-yen{font-size:30px;font-weight:500}
.partner-term{margin-left:8px;color:#a1a1a6;font:400 17px/1 var(--f-text);letter-spacing:0}
.partner-links{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 30px;margin-top:26px}
.partner-ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:34px}

/* 10. 选购理由 ------------------------------------------------------------ */
#v3Why{padding-bottom:104px}
#v3Why .sec-head{margin-bottom:28px}
.why-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;width:min(var(--wrap),100% - 2*var(--gut));margin:0 auto}
.why-card{display:flex;flex-direction:column;align-items:flex-start;min-width:0;min-height:236px;padding:30px 30px 32px;border:0;border-radius:var(--r-lg);background:var(--bg-2);color:var(--ink)!important;text-align:left;text-decoration:none!important;cursor:pointer;transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.why-card:hover{transform:scale(1.015);box-shadow:0 14px 36px rgba(0,0,0,.08)}
.why-ic{display:grid;place-items:center;width:48px;height:48px}
.why-ic svg{width:40px;height:40px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.why-ic-blue{color:#0071e3}.why-ic-orange{color:#f56300}.why-ic-green{color:#1d8a3a}.why-ic-purple{color:#8e3ac9}.why-ic-teal{color:#00838f}.why-ic-gray{color:#515154}
.why-title{margin:auto 0 8px;padding-top:34px;font:600 21px/1.19 var(--f-display);letter-spacing:-.01em}
.why-body{margin:0;color:var(--ink-2);font:400 14px/1.5 var(--f-text)}

/* 11. 页脚 --------------------------------------------------------------- */
.foot{background:var(--bg-2);color:var(--ink-2);font:400 12px/1.4 var(--f-text);letter-spacing:-.01em}
.foot-inner{width:min(var(--wrap),100% - 2*var(--gut));margin:0 auto;padding:18px 0 28px}
.foot-notes{padding:12px 0 6px;border-bottom:1px solid var(--line)}
.foot-notes p{margin:0 0 10px}
.foot-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:22px 0 18px}
.foot-col h3{margin:0 0 10px;color:var(--ink);font:600 12px/1.4 var(--f-text)}
.foot-col a,.foot-col button{display:block;margin:0 0 9px;padding:0;border:0;background:none;color:var(--ink-4)!important;font:inherit;text-align:left;text-decoration:none!important;cursor:pointer}
.foot-col a:hover,.foot-col button:hover{color:var(--ink)!important;text-decoration:underline!important}
.foot-more{margin:0;padding:6px 0 14px}
.foot-more a{color:var(--link)}
.foot-legal{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line)}
.foot-copy{margin:0}
.foot-lang{display:flex;flex-wrap:wrap}
.foot-lang button{padding:0 9px;border:0;border-left:1px solid var(--line);background:none;color:var(--ink-4);font:inherit;cursor:pointer}
.foot-lang button:first-child{border-left:0}
.foot-lang button:hover{color:var(--ink);text-decoration:underline}
.foot-lang button.is-active{color:var(--ink);font-weight:600}
.foot-seo{margin:16px 0 0;color:var(--ink-3)}

/* 12. 商品详情 sheet / 比较 ---------------------------------------------- */
html.v3-lock,html.v3-lock body{overflow:hidden}
html.v3-lock #pvSwitch{opacity:0!important;pointer-events:none!important}
.sheet{position:fixed;inset:0;z-index:9994;display:none}
.sheet.is-open{display:block}
.sheet-scrim{position:absolute;inset:0;background:rgba(0,0,0,.42);opacity:0;transition:opacity .34s var(--ease)}
.sheet.is-in .sheet-scrim{opacity:1}
.sheet-box{position:absolute;left:50%;top:50%;display:grid;grid-template-columns:44% 56%;width:min(1040px,100vw - 48px);height:min(840px,100vh - 48px);overflow:hidden;border-radius:var(--r-xl);background:#fff;color:var(--ink);box-shadow:0 40px 100px rgba(0,0,0,.36);opacity:0;transform:translate(-50%,-47%) scale(.97);transition:opacity .3s var(--ease),transform .5s var(--spring);outline:none}
.sheet.is-in .sheet-box{opacity:1;transform:translate(-50%,-50%) scale(1)}
html.v3 .sheet-box:focus,html.v3 .sheet-box:focus-visible{outline:none}
.prow:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.sheet-top{position:absolute;left:0;right:0;top:0;z-index:5;height:0}
.sheet-close,.sheet-share{position:absolute;top:18px;z-index:5;display:grid;place-items:center;width:36px;height:36px;padding:0;border:0;border-radius:50%;background:rgba(232,232,237,.88);color:var(--ink);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer;transition:background-color .2s,transform .15s}
.sheet-close{right:18px}
.sheet-share{left:18px}
.sheet-close:hover,.sheet-share:hover{background:#dcdce1}
.sheet-close:active,.sheet-share:active{transform:scale(.94)}
.sheet-close svg,.sheet-share svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sheet-share-tip{position:absolute;top:60px;left:18px;z-index:5;padding:6px 11px;border-radius:var(--pill);background:rgba(29,29,31,.88);color:#fff;font:500 12px/1.2 var(--f-text);opacity:0;transform:translateY(-4px);transition:opacity .2s,transform .2s;pointer-events:none}
.sheet-share-tip.is-on{opacity:1;transform:none}
.sheet-media{position:relative;display:grid;place-items:center;padding:56px 40px;background:var(--bg-2);overflow:hidden}
.sheet-media img{width:min(78%,360px);aspect-ratio:1;object-fit:contain;filter:drop-shadow(0 34px 34px rgba(0,0,0,.18));animation:v3Pop .8s var(--spring) both}
.sheet-media .sm-glow{position:absolute;inset:18%;border-radius:50%;background:radial-gradient(closest-side,var(--glow,rgba(0,0,0,.06)),transparent);filter:blur(24px);opacity:.55}
.sheet-main{display:flex;flex-direction:column;min-width:0;min-height:0}
.sheet-scroll{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:52px 48px 28px}
.sh-eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;margin:0;color:var(--ink-2);font:400 14px/1.3 var(--f-text)}
.sh-new{color:var(--eyebrow);font-weight:600}
.sh-title{margin:6px 0 0;font:600 clamp(28px,2.6vw,36px)/1.1 var(--f-display);letter-spacing:-.018em}
.sh-price{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;margin:14px 0 0;font:600 24px/1.1 var(--f-display);font-variant-numeric:tabular-nums}
.sh-price s{color:var(--ink-3);font:400 15px/1 var(--f-text)}
.sh-price .unit{color:var(--ink-2);font:400 14px/1 var(--f-text)}
.sh-price-note{margin:6px 0 0;color:var(--ink-2);font:400 12px/1.45 var(--f-text)}
.sh-price-note .tlink{font-size:12px}
.sh-avail{display:flex;flex-wrap:wrap;gap:4px 14px;margin:14px 0 0;color:var(--ink-2);font:400 14px/1.4 var(--f-text)}
.sh-avail .is-ok{color:var(--ok)}
.sh-avail .is-low,.sh-avail .is-warn{color:var(--warn)}
.sh-block{margin:34px 0 0}
.sh-h{margin:0 0 14px;font:600 17px/1.3 var(--f-text);letter-spacing:-.01em}
.sh-h .t-soft{font-weight:400}
.tier-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.tier-opt{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:3px;min-width:0;padding:14px 16px 13px;border:0;border-radius:var(--r-md);background:#fff;box-shadow:inset 0 0 0 1px var(--line);text-align:left;cursor:pointer;transition:box-shadow .2s}
.tier-opt:hover{box-shadow:inset 0 0 0 1px var(--ink-3)}
.tier-opt.is-on{box-shadow:inset 0 0 0 2px var(--blue)}
.tier-name{font:600 17px/1.2 var(--f-text)}
.tier-sub{color:var(--ink-2);font:400 12px/1.35 var(--f-text)}
.tier-price{margin-top:4px;color:var(--ink);font:400 14px/1.2 var(--f-text);font-variant-numeric:tabular-nums}
.tier-verdict{display:none;margin-top:6px;font:600 12px/1.3 var(--f-text)}
.tier-grid.has-answer .tier-verdict{display:block}
.tier-verdict.v-ok{color:var(--ok)}
.tier-verdict.v-up{color:var(--blue)}
.tier-verdict.v-no{color:var(--ink-3)}
.q-chips{display:flex;flex-wrap:wrap;gap:8px}
.q-chip{padding:8px 14px;border:0;border-radius:var(--pill);background:#fff;box-shadow:inset 0 0 0 1px var(--line);color:var(--ink);font:400 14px/1.2 var(--f-text);cursor:pointer;transition:box-shadow .2s,background-color .2s}
.q-chip:hover{box-shadow:inset 0 0 0 1px var(--ink-3)}
.q-chip.is-on{background:#f2f7ff;box-shadow:inset 0 0 0 2px var(--blue)}
.q-verdict{display:flex;gap:9px;margin:14px 0 0;padding:12px 14px;border-radius:var(--r-md);background:var(--bg-2);font:400 14px/1.45 var(--f-text)}
.q-verdict .pt-ic{flex:0 0 16px;margin-top:2px}
.sh-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.sh-list li{display:grid;grid-template-columns:16px minmax(0,1fr);gap:10px;font:400 14px/1.5 var(--f-text)}
.sh-list li b{font-weight:600;margin-right:6px}
.sh-list li.is-warn{color:var(--warn)}
.sh-list li.is-no{color:var(--ink-2)}
.sh-list .dot{width:5px;height:5px;margin:8px 0 0 5px;border-radius:50%;background:var(--ink-3)}
.sh-lead{margin:0 0 14px;font:400 15px/1.55 var(--f-text)}
.sh-fine{margin:16px 0 0;color:var(--ink-2);font:400 12px/1.5 var(--f-text)}
.sh-links{display:flex;flex-wrap:wrap;gap:12px 24px}
.sh-links .tlink{font-size:14px}
.sh-maint{margin:14px 0 0;padding:12px 14px;border-radius:var(--r-md);background:#fff4e5;color:#8a4500;font:500 14px/1.4 var(--f-text)}
.sheet-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 48px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--line-2);background:rgba(255,255,255,.9);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px)}
.sb-info{min-width:0}
.sb-name{overflow:hidden;color:var(--ink);font:600 14px/1.3 var(--f-text);white-space:nowrap;text-overflow:ellipsis}
.sb-price{color:var(--ink-2);font:400 12px/1.3 var(--f-text);font-variant-numeric:tabular-nums}
.sb-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.sheet-bar .btn{min-width:132px}

.sheet-compare .sheet-box{display:flex;flex-direction:column;grid-template-columns:none;width:min(1120px,100vw - 48px)}
.cmp-head{padding:46px 48px 18px}
.cmp-head h2{margin:0;font:600 clamp(26px,2.6vw,34px)/1.12 var(--f-display);letter-spacing:-.015em}
.cmp-head p{margin:8px 0 0;color:var(--ink-2);font-size:14px}
.cmp-scroll{flex:1 1 auto;min-height:0;overflow:auto;overscroll-behavior:contain;padding:0 48px 40px}
.cmp-table{display:grid;grid-template-columns:150px repeat(4,minmax(170px,1fr));min-width:830px}
.cmp-col-head{position:sticky;top:0;z-index:1;display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 10px 20px;background:#fff;text-align:center;border-bottom:1px solid var(--line-2)}
.cmp-col-head img{width:76px;height:76px;object-fit:contain}
.cmp-col-head b{font:600 19px/1.2 var(--f-display)}
.cmp-col-head span{color:var(--ink-2);font-size:14px;font-variant-numeric:tabular-nums}
.cmp-corner{position:sticky;top:0;z-index:1;background:#fff;border-bottom:1px solid var(--line-2)}
.cmp-label{padding:16px 12px 16px 0;color:var(--ink-2);font:600 12px/1.4 var(--f-text);border-bottom:1px solid var(--line-2)}
.cmp-cell{display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 12px;font:400 13px/1.45 var(--f-text);text-align:center;border-bottom:1px solid var(--line-2)}
.cmp-cell .pt-ic{width:18px;height:18px}
.cmp-cell.is-muted{color:var(--ink-3)}
/* 手机比较（Apple 机型比较式）：一次比两档，顶部下拉切换；桌面仍是四档整表 */
.cmp-m{display:none}
.cmp-m-pick{position:sticky;top:0;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:16px;background:#fff}
.cmp-m-sel{position:relative;display:block;border-bottom:1px solid var(--line)}
.cmp-m-sel select{display:block;width:100%;height:48px;padding:0 24px 0 0;border:0;border-radius:0;background:none;color:var(--ink);font:600 17px/1 var(--f-display);letter-spacing:-.01em;-webkit-appearance:none;appearance:none;cursor:pointer;outline:none}
.cmp-m-sel select:focus-visible{box-shadow:0 2px 0 var(--blue)}
.cmp-m-sel::after{content:"";position:absolute;top:50%;right:6px;width:7px;height:7px;margin-top:-6px;border-right:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(45deg);pointer-events:none}
.cmp-m-heads,.cmp-m-cells{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cmp-m-heads .cmp-col-head{position:static;padding:22px 4px 20px;border-bottom:0}
.cmp-m-row{padding:16px 0 2px;border-top:1px solid var(--line-2)}
.cmp-m-row h3{margin:0;color:var(--ink-2);font:600 12px/1.4 var(--f-text);text-align:center}
.cmp-m-cells .cmp-cell{padding:10px 4px 14px;border-bottom:0}

/* 13. store.js 驱动的弹层（id / 结构沿用线上，只换外观） -------------------- */
html.v3 .modal{position:fixed;inset:0;z-index:9996;display:none;align-items:center;justify-content:center;padding:24px;background:rgba(0,0,0,.42)}
html.v3 .modal.show{display:flex;animation:v3Fade .24s var(--ease) both}
html.v3 .modal-box{position:relative;width:min(560px,100%);max-height:calc(100vh - 48px);max-height:calc(100dvh - 48px);overflow:auto;overscroll-behavior:contain;padding:30px 30px 28px;border-radius:22px;background:#fff;color:var(--ink);box-shadow:0 40px 100px rgba(0,0,0,.32);animation:v3ModalIn .44s var(--spring) both}
@keyframes v3ModalIn{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
html.v3 .modal .dock-kicker{display:none}
html.v3 .modal h3{margin:0;font:600 24px/1.17 var(--f-display);letter-spacing:-.012em;color:var(--ink)}
html.v3 .modal .muted,html.v3 .modal .utility-panel-head p{margin:6px 0 0;color:var(--ink-2);font:400 14px/1.45 var(--f-text)}
html.v3 .modal .ghost.fit,html.v3 #closeOrderSearchBtn{flex:0 0 auto;height:30px;padding:0 13px;border:0;border-radius:var(--pill);background:var(--bg-3);color:var(--ink);font:400 13px/30px var(--f-text);cursor:pointer;white-space:nowrap}
html.v3 .modal .ghost.fit:hover{background:#dcdce1}
html.v3 .modal input[type="text"],html.v3 .modal input[type="password"],html.v3 .modal input:not([type]){width:100%;height:48px;padding:0 16px;border:0;border-radius:var(--r-md);background:#fff;box-shadow:inset 0 0 0 1px var(--line);color:var(--ink);font:400 17px/1 var(--f-text);outline:none;transition:box-shadow .2s;-webkit-appearance:none;appearance:none}
html.v3 .modal input:focus{box-shadow:inset 0 0 0 2px var(--blue),0 0 0 4px rgba(0,113,227,.12)}
html.v3 .modal button.is-loading{opacity:.7}
html.v3 .status-line{min-height:0;margin:12px 0 0;color:var(--ink-2);font:400 14px/1.45 var(--f-text)}
html.v3 .status-line:empty{display:none}
html.v3 .status-line.ok{color:var(--ok)}
html.v3 .status-line.err{color:var(--err)}
html.v3 .loading-spinner{display:inline-block;width:14px;height:14px;margin-right:6px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:v3Spin .8s linear infinite;vertical-align:-2px}
html.v3 .loading-spinner.is-dark{border-color:rgba(0,0,0,.15);border-top-color:var(--ink)}
@keyframes v3Spin{to{transform:rotate(360deg)}}
.v3-btn-primary,html.v3 #checkOrderBtn,html.v3 #verifyCardGuideBtn,html.v3 .card-bin-picker-confirm,html.v3 .qty-modal-confirm,html.v3 #acceptPurchaseNoticeBtn,html.v3 #submitOrderPasswordBtn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border:0;border-radius:var(--pill);background:var(--blue);color:#fff;font:400 17px/1 var(--f-text);cursor:pointer;white-space:nowrap;transition:background-color .2s,transform .14s}
html.v3 #checkOrderBtn:hover,html.v3 #verifyCardGuideBtn:hover,html.v3 .card-bin-picker-confirm:hover,html.v3 .qty-modal-confirm:hover,html.v3 #acceptPurchaseNoticeBtn:hover{background:var(--blue-h)}
html.v3 #acceptPurchaseNoticeBtn[disabled]{opacity:.4}
html.v3 .modal button.ghost:not(.fit){flex:0 0 auto;white-space:nowrap;min-height:48px;padding:0 22px;border:0;border-radius:var(--pill);background:var(--bg-3);color:var(--ink);font:400 17px/1 var(--f-text);cursor:pointer}
html.v3 .utility-panel-head,html.v3 .card-bin-picker-head,html.v3 .card-guide-modal-head,html.v3 .product-doc-modal-head,html.v3 .twofa-modal-head,html.v3 .delivery-modal-head,html.v3 .purchase-notice-head,html.v3 .purchase-proof-lightbox-head,html.v3 .qty-modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin:0 0 22px}

/* 订单查询 */
html.v3 .utility-order-modal-box{width:min(760px,100%)}
html.v3 .query-dock-form{display:flex;gap:10px}
html.v3 .query-dock-form input{flex:1 1 auto}
html.v3 .order-query-password-panel{margin-top:16px;padding:16px;border-radius:var(--r-md);background:var(--bg-2)}
html.v3 .order-query-password-copy strong{font-weight:600}
html.v3 .order-query-password-copy p{margin:4px 0 12px;color:var(--ink-2);font-size:14px}
html.v3 .order-query-password-grid{display:grid;gap:10px}
html.v3 .order-query-password-actions{display:flex;gap:10px;margin-top:12px}
html.v3 .order-cards{display:grid;gap:12px;margin-top:16px}
html.v3 .order-cards:empty{display:none}
html.v3 .query-result-shell-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px;margin:6px 0 12px}
html.v3 .query-result-shell-head h3{font-size:19px}
html.v3 .query-copy-all-btn,html.v3 .query-copy-order-btn{height:30px;padding:0 13px;border:0;border-radius:var(--pill);background:var(--bg-3);color:var(--blue);font:500 13px/30px var(--f-text);cursor:pointer;white-space:nowrap}
html.v3 .query-result-order-list{display:grid;gap:12px}
html.v3 .history-merged-card{padding:18px;border-radius:16px;background:var(--bg-2)}
html.v3 .history-merged-head{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:10px}
html.v3 .history-merged-head h3{font:600 17px/1.3 var(--f-text)}
html.v3 .history-merged-head .meta{margin-top:3px;color:var(--ink-2);font:400 12px/1.4 var(--f-mono)}
html.v3 .history-merged-head-actions{display:flex;align-items:center;gap:8px}
html.v3 .history-merged-card .chip{padding:4px 10px;border-radius:var(--pill);background:#e3f4e8;color:var(--ok);font:600 12px/1.2 var(--f-text)}
html.v3 .history-merged-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 16px;margin:14px 0}
html.v3 .history-merged-line{display:flex;flex-direction:column;gap:2px;min-width:0}
html.v3 .history-merged-line span{color:var(--ink-2);font-size:12px}
html.v3 .history-merged-line strong{overflow:hidden;font:600 14px/1.3 var(--f-text);text-overflow:ellipsis;white-space:nowrap}
html.v3 .money-inline{display:inline-flex;align-items:baseline;gap:3px}
html.v3 .money-currency{color:var(--ink-2);font-size:11px;font-weight:500}
html.v3 .history-merged-section .meta{margin:8px 0;color:var(--ink-2);font-size:12px}
html.v3 .history-code-list{display:grid;gap:8px}
html.v3 .delivery-copy-card{display:block;width:100%;padding:12px 14px;border:0;border-radius:var(--r-md);background:#fff;box-shadow:inset 0 0 0 1px var(--line-2);color:var(--ink);text-align:left;cursor:copy;transition:box-shadow .2s}
html.v3 .delivery-copy-card:hover{box-shadow:inset 0 0 0 1px var(--blue)}
html.v3 .delivery-copy-card-plain-value{font:500 13.5px/1.55 var(--f-mono);white-space:pre-wrap;word-break:break-all}
html.v3 .delivery-copy-card-spotlight .delivery-copy-card-plain-value{font-size:16px}
html.v3 .delivery-countdown,html.v3 [class*="delivery-countdown"]{margin:8px 0;color:var(--warn);font-size:12px}

/* 卡段选择 */
html.v3 .card-bin-picker-modal{width:min(640px,100%)}
html.v3 .card-bin-picker-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:10px;max-height:300px;overflow:auto;padding:3px}
html.v3 .card-bin-choice-card{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding:14px;border:0;border-radius:var(--r-md);background:#fff;box-shadow:inset 0 0 0 1px var(--line);text-align:left;cursor:pointer;transition:box-shadow .2s}
html.v3 .card-bin-choice-card:hover{box-shadow:inset 0 0 0 1px var(--ink-3)}
html.v3 .card-bin-choice-card.is-active{box-shadow:inset 0 0 0 2px var(--blue)}
html.v3 .card-bin-choice-code{font:600 17px/1 var(--f-mono);letter-spacing:.02em}
html.v3 .card-bin-choice-stock{color:var(--ink-2);font-size:12px}
html.v3 .card-bin-choice-stock-value{margin-left:4px;color:var(--ink);font-weight:600}
html.v3 .card-bin-picker-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line-2)}
html.v3 .card-bin-picker-selection{display:flex;flex-direction:column;gap:2px}
html.v3 .card-bin-picker-selection span{color:var(--ink-2);font-size:12px}
html.v3 .card-bin-picker-selection strong{font:600 21px/1.1 var(--f-mono)}
html.v3 .card-bin-picker-selection-meta{color:var(--ink-2);font-size:12px}
html.v3 .card-bin-picker-selection-meta em{color:var(--ink);font-style:normal;font-weight:600}
html.v3 .card-bin-picker-action-row{display:flex;align-items:center;gap:12px}
html.v3 .card-bin-picker-empty{display:flex;flex-direction:column;gap:6px;padding:24px;border-radius:var(--r-md);background:var(--bg-2);text-align:center}
html.v3 .qty-box{display:inline-flex;align-items:center;height:44px;border-radius:var(--pill);background:var(--bg-2)}
html.v3 .qty-btn{width:44px;height:44px;border:0;border-radius:50%;background:none;color:var(--ink);font:400 20px/1 var(--f-text);cursor:pointer}
html.v3 .qty-btn:hover{color:var(--blue)}
html.v3 .qty-value-wrap input{width:44px!important;height:44px!important;padding:0!important;box-shadow:none!important;background:transparent!important;text-align:center;font:600 17px/1 var(--f-text)!important}

/* 卡段领取 / 2FA / 交付 / 数量 */
html.v3 .card-guide-input-row,html.v3 .twofa-input-row{display:flex;gap:10px}
html.v3 .card-guide-input-row input,html.v3 .twofa-input-row input{flex:1 1 auto}
html.v3 .card-guide-result-success{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
html.v3 .project-link-btn{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--pill);background:var(--blue);color:#fff!important;font-size:13px}
html.v3 .twofa-modal-box{width:min(480px,100%)}
html.v3 .twofa-input-label{display:block;margin:0 0 8px;color:var(--ink-2);font-size:12px;font-weight:600}
html.v3 .twofa-error{min-height:0;margin-top:8px;color:var(--err);font-size:13px}
html.v3 .twofa-error:empty{display:none}
html.v3 .twofa-code-panel{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;padding:18px 20px;border-radius:16px;background:var(--bg-2)}
html.v3 .twofa-code-label{display:block;color:var(--ink-2);font-size:12px}
html.v3 #twofaCode{display:block;margin-top:4px;font:600 40px/1 var(--f-mono);letter-spacing:.12em;font-variant-numeric:tabular-nums}
html.v3 #copyTwofaBtn{height:36px;padding:0 16px;border:0;border-radius:var(--pill);background:var(--blue);color:#fff;font-size:14px;cursor:pointer}
html.v3 #copyTwofaBtn[disabled]{background:var(--bg-3);color:var(--ink-3)}
html.v3 .twofa-timer-row{display:flex;align-items:center;gap:12px;margin-top:14px;color:var(--ink-2);font-size:12px;font-variant-numeric:tabular-nums}
html.v3 .twofa-timer-track{flex:1 1 auto;height:4px;overflow:hidden;border-radius:2px;background:var(--bg-3)}
html.v3 #twofaTimerBar{display:block;height:100%;width:0;border-radius:2px;background:var(--blue);transition:width .9s linear}
html.v3 .delivery-modal-box{width:min(560px,100%)}
html.v3 .qty-modal-box{width:min(400px,100%)}
html.v3 .qty-modal-product{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);margin-bottom:18px}
html.v3 .qty-modal-pname{font-weight:600}
html.v3 .qty-modal-stock{color:var(--ink-2);font-size:13px}
html.v3 .qty-modal-stepper{display:flex;align-items:center;justify-content:center;gap:4px;margin:0 auto 18px;width:max-content;border-radius:var(--pill);background:var(--bg-2)}
html.v3 .qty-modal-step{width:48px;height:48px;border:0;background:none;font-size:22px;cursor:pointer}
html.v3 .qty-modal-input{width:64px!important;box-shadow:none!important;background:transparent!important;text-align:center;font-weight:600!important}
html.v3 .qty-modal-total-row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px;color:var(--ink-2)}
html.v3 .qty-modal-total-row strong{color:var(--ink);font:600 24px/1 var(--f-display)}
html.v3 .qty-modal-confirm{width:100%}
html.v3 .purchase-notice-modal{width:min(860px,100%)}
html.v3 .purchase-notice-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:20px}
html.v3 .purchase-notice-confirm{display:flex;gap:10px;margin-top:14px;font-size:14px}
html.v3 .purchase-notice-actions{display:flex;gap:10px;margin-top:20px}
html.v3 .purchase-proof-preview{padding:0;border:0;background:none;cursor:zoom-in}
html.v3 .purchase-proof-image{border-radius:12px}

/* 商品说明文档弹层（Gmail 规则 / 学生号四步） */
html.v3 .product-doc-modal-box{width:min(720px,100%)}
html.v3 .ed-doc-sec + .ed-doc-sec{margin-top:24px;padding-top:22px;border-top:1px solid var(--line-2)}
html.v3 .ed-doc-h{margin:0 0 10px;font:600 17px/1.3 var(--f-text)}
html.v3 .ed-doc-p{margin:0 0 10px;font-size:14px;line-height:1.55}
html.v3 .ed-doc-muted{color:var(--ink-2)}
html.v3 .ed-doc-segs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 10px}
html.v3 .ed-doc-seg{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--pill);background:var(--bg-2);font-size:13px}
html.v3 .ed-doc-seg b{display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--ink);color:#fff;font-size:11px}
html.v3 .ed-doc-seg i{color:var(--ink-2);font-style:normal;font-size:12px}
html.v3 .ed-doc-sample{display:block;margin:0 0 10px;padding:12px 14px;border-radius:var(--r-md);background:var(--bg-2);font:400 12.5px/1.55 var(--f-mono);word-break:break-all}
html.v3 .ed-doc-list{display:grid;gap:8px;margin:0;padding-left:20px;font-size:14px;line-height:1.55}
html.v3 .ed-doc-list.is-cols{grid-template-columns:1fr 1fr;column-gap:28px}
html.v3 .ed-doc-actions{display:flex;flex-wrap:wrap;gap:10px}
html.v3 .ed-doc-btn{display:inline-flex;align-items:center;height:36px;padding:0 16px;border:0;border-radius:var(--pill);background:var(--blue);color:#fff!important;font:400 14px/1 var(--f-text);text-decoration:none!important;cursor:pointer}
html.v3 .ed-doc-btn.is-ghost{background:var(--bg-3);color:var(--ink)!important}
html.v3 .ed-tl{position:relative;display:grid;gap:22px;margin:6px 0 0;padding:0;list-style:none}
html.v3 .ed-tl::before{content:"";position:absolute;left:13px;top:14px;bottom:14px;width:1.5px;background:var(--line-2)}
html.v3 .ed-tl-step{position:relative;display:grid;grid-template-columns:28px minmax(0,1fr);gap:14px}
html.v3 .ed-tl-dot{position:relative;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;font:600 13px/1 var(--f-text)}
html.v3 .ed-tl-step.is-end .ed-tl-dot{background:var(--ok)}
html.v3 .ed-tl-title{margin:3px 0 4px;font:600 15px/1.3 var(--f-text)}
html.v3 .ed-tl-desc{margin:0;color:var(--ink-2);font-size:14px;line-height:1.55}
html.v3 .ed-tl-links{display:grid;gap:6px;margin-top:10px}
html.v3 .ed-tl-link{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;padding:8px 10px 8px 12px;border-radius:10px;background:var(--bg-2);font-size:13px}
html.v3 .ed-tl-link-k{color:var(--ink-2)}
html.v3 .ed-tl-link-v{display:inline-flex;align-items:center;gap:3px;overflow:hidden;color:var(--link);text-overflow:ellipsis;white-space:nowrap}
html.v3 .ed-tl-link-v svg{width:12px;height:12px;flex:0 0 auto}
html.v3 .ed-tl-copy{height:26px;padding:0 10px;border:0;border-radius:var(--pill);background:#fff;color:var(--blue);font:500 12px/26px var(--f-text);cursor:pointer}
html.v3 .ed-tl-acts{margin-top:10px}

/* 联系客服下单（store.js contactSupport 动态生成） */
html.v3 .support-modal{position:fixed;inset:0;z-index:9997;display:grid;place-items:center;padding:20px;opacity:0;transition:opacity .22s var(--ease)}
html.v3 .support-modal.is-open{opacity:1}
html.v3 .support-modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.42)}
html.v3 .support-modal-card{position:relative;width:min(420px,100%);padding:30px 26px 22px;border-radius:22px;background:#fff;color:var(--ink);box-shadow:0 40px 100px rgba(0,0,0,.32);transform:translateY(10px) scale(.98);transition:transform .4s var(--spring)}
html.v3 .support-modal.is-open .support-modal-card{transform:none}
html.v3 .support-modal-close{position:absolute;top:14px;right:14px;width:30px;height:30px;border:0;border-radius:50%;background:var(--bg-3);color:var(--ink);font-size:18px;line-height:1;cursor:pointer}
html.v3 .support-modal-title{margin:0;font:600 24px/1.2 var(--f-display)}
html.v3 .support-modal-sub{margin:8px 0 18px;color:var(--ink-2);font-size:14px;line-height:1.5}
html.v3 .support-modal .chub-primary{padding:16px;border-radius:16px;background:var(--bg-2)}
html.v3 .support-modal .chub-primary-head{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-weight:600}
html.v3 .support-modal .chub-primary-badge{padding:2px 8px;border-radius:var(--pill);background:#e3f4e8;color:var(--ok);font-size:11px}
html.v3 .support-modal .chub-primary-acts{display:grid;grid-template-columns:1fr 1fr;gap:8px}
html.v3 .support-modal .chub-btn{height:40px;border:0;border-radius:var(--pill);font:400 14px/1 var(--f-text);cursor:pointer}
html.v3 .support-modal .chub-btn-p{background:var(--blue);color:#fff}
html.v3 .support-modal .chub-btn-s{background:#fff;color:var(--blue);box-shadow:inset 0 0 0 1px var(--line)}
html.v3 .support-modal-list{display:grid;margin-top:14px}
html.v3 .support-item{display:grid;grid-template-columns:72px minmax(0,1fr) auto;align-items:center;gap:10px;padding:11px 2px;border-bottom:1px solid var(--line-2);font-size:14px}
html.v3 .support-item:last-child{border-bottom:0}
html.v3 .support-item-label{color:var(--ink-2);font-size:12px}
html.v3 .support-item-value{overflow:hidden;font-weight:600;text-overflow:ellipsis;white-space:nowrap}
html.v3 .support-item-copy{height:28px;padding:0 12px;border:0;border-radius:var(--pill);background:var(--bg-3);color:var(--blue);font:500 12px/28px var(--f-text);cursor:pointer}
html.v3 .support-item-copy.is-copied{color:var(--ok)}

/* GPT 讲解视频（store.js ensureGptVideoModal 动态生成） */
html.v3 .gvm{position:fixed;inset:0;z-index:9997;display:none;align-items:center;justify-content:center;padding:24px;background:rgba(0,0,0,.82)}
html.v3 .gvm.is-open{display:flex;animation:v3Fade .25s var(--ease) both}
html.gvm-lock,html.gvm-lock body{overflow:hidden}
html.v3 .gvm-box{width:min(1040px,100%);overflow:hidden;border-radius:22px;background:#000;color:#f5f5f7;box-shadow:0 40px 120px rgba(0,0,0,.6);animation:v3ModalIn .45s var(--spring) both}
html.v3 .gvm-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:22px 24px 16px}
html.v3 .gvm-kicker{color:#a1a1a6;font-size:12px}
html.v3 .gvm-title{margin:4px 0 0;font:600 21px/1.25 var(--f-display)}
html.v3 .gvm-close{display:grid;place-items:center;width:34px;height:34px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.12);color:#f5f5f7;cursor:pointer}
html.v3 .gvm-close svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
html.v3 .gvm-stage{background:#000}
html.v3 .gvm-video{display:block;width:100%;aspect-ratio:16/9;background:#000}
html.v3 .gvm-chapters{display:flex;flex-wrap:wrap;gap:8px;padding:16px 24px 22px}
html.v3 .gvm-chip{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 12px;border:0;border-radius:var(--pill);background:rgba(255,255,255,.08);color:#d2d2d7;font:400 13px/1 var(--f-text);cursor:pointer}
html.v3 .gvm-chip.is-on{background:#f5f5f7;color:#1d1d1f}
html.v3 .gvm-chip-dot{width:6px;height:6px;border-radius:50%;background:var(--gvm-c,#fff)}
html.v3 .gvm-chip-t{opacity:.6;font-variant-numeric:tabular-nums}

/* Super Duolingo / GPT Plus 学生号 购买前确认（Apple；#stuRiskModal 由 store-v3.js 生成，结构同 #duoRiskModal） */
html.v3 #duoRiskModal .dr-sheet,html.v3 #stuRiskModal .dr-sheet{position:relative;width:min(560px,100%);max-height:calc(100dvh - 48px);overflow:auto;border-radius:22px;background:#fff;color:var(--ink);box-shadow:0 40px 100px rgba(0,0,0,.32);animation:v3ModalIn .44s var(--spring) both}
html.v3 #duoRiskModal .dr-close,html.v3 #stuRiskModal .dr-close{position:absolute;top:14px;right:14px;z-index:2;display:grid;place-items:center;width:32px;height:32px;padding:0;border:0;border-radius:50%;background:rgba(232,232,237,.9);color:var(--ink);cursor:pointer}
html.v3 #duoRiskModal .dr-close svg,html.v3 #stuRiskModal .dr-close svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round}
html.v3 #duoRiskModal .dr-hero,html.v3 #stuRiskModal .dr-hero{display:flex;flex-direction:column;align-items:center;gap:6px;padding:34px 30px 22px;background:var(--bg-2);text-align:center}
html.v3 #duoRiskModal .dr-hero img,html.v3 #stuRiskModal .dr-hero img{width:112px;height:112px;object-fit:contain;filter:drop-shadow(0 14px 16px rgba(0,0,0,.16))}
html.v3 #duoRiskModal .dr-caption,html.v3 #stuRiskModal .dr-caption{margin:6px 0 0;color:var(--ink-2);font:400 13px/1.5 var(--f-text)}
html.v3 #duoRiskModal .dr-body,html.v3 #stuRiskModal .dr-body{padding:24px 30px 26px}
html.v3 #duoRiskModal .dr-kicker,html.v3 #stuRiskModal .dr-kicker{margin:0 0 14px;color:var(--ink-2);font:400 12px/1.3 var(--f-text)}
html.v3 #duoRiskModal .dr-steps,html.v3 #stuRiskModal .dr-steps{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 10px}
html.v3 #duoRiskModal .dr-step,html.v3 #stuRiskModal .dr-step{display:flex;align-items:center;gap:8px;color:var(--ink-3);font:500 13px/1.2 var(--f-text)}
html.v3 #duoRiskModal .dr-step i,html.v3 #stuRiskModal .dr-step i{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--bg-3);color:var(--ink-2);font:600 11px/1 var(--f-text);font-style:normal}
html.v3 #duoRiskModal .dr-step i svg,html.v3 #stuRiskModal .dr-step i svg{display:none;width:10px;height:10px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
html.v3 #duoRiskModal .dr-step.is-active,html.v3 #stuRiskModal .dr-step.is-active{color:var(--ink)}
html.v3 #duoRiskModal .dr-step.is-active i,html.v3 #stuRiskModal .dr-step.is-active i{background:var(--blue);color:#fff}
html.v3 #duoRiskModal .dr-step.is-done i,html.v3 #stuRiskModal .dr-step.is-done i{background:var(--ink);color:#fff}
html.v3 #duoRiskModal .dr-step.is-done i svg,html.v3 #stuRiskModal .dr-step.is-done i svg{display:block}
html.v3 #duoRiskModal .dr-step.is-done i span,html.v3 #stuRiskModal .dr-step.is-done i span{display:none}
html.v3 #duoRiskModal .dr-track,html.v3 #stuRiskModal .dr-track{position:relative;height:4px;overflow:hidden;border-radius:2px;background:var(--bg-3)}
html.v3 #duoRiskModal .dr-fill,html.v3 #stuRiskModal .dr-fill{position:absolute;inset:0 auto 0 0;width:50%;border-radius:2px;background:var(--blue);transition:width .45s var(--spring)}
html.v3 #duoRiskModal .dr-progress-meta,html.v3 #stuRiskModal .dr-progress-meta{display:flex;justify-content:space-between;margin-top:7px;color:var(--ink-3);font-size:12px;font-variant-numeric:tabular-nums}
html.v3 #duoRiskModal .dr-progress-meta b,html.v3 #stuRiskModal .dr-progress-meta b{color:var(--ink);font-weight:600}
html.v3 #duoRiskModal .dr-pane,html.v3 #stuRiskModal .dr-pane{margin-top:22px;animation:v3Rise .5s var(--spring) both}
html.v3 #duoRiskModal .dr-title,html.v3 #stuRiskModal .dr-title{margin:0 0 10px;font:600 26px/1.2 var(--f-display);letter-spacing:-.015em}
html.v3 #duoRiskModal .dr-lead,html.v3 #stuRiskModal .dr-lead{margin:0;color:var(--ink-4);font-size:15px;line-height:1.6}
html.v3 #duoRiskModal .dr-lead b,html.v3 #stuRiskModal .dr-lead b{color:var(--ink)}
html.v3 #duoRiskModal .dr-note,html.v3 #stuRiskModal .dr-note{margin:14px 0 0;padding:12px 14px;border-radius:var(--r-md);background:#fff4e5;color:#7a3e00;font-size:13px;line-height:1.55}
html.v3 #duoRiskModal .dr-actions,html.v3 #stuRiskModal .dr-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px;margin-top:22px}
html.v3 #duoRiskModal .dr-actions.is-split,html.v3 #stuRiskModal .dr-actions.is-split{justify-content:space-between}
html.v3 #duoRiskModal .dr-btn,html.v3 #stuRiskModal .dr-btn{min-height:44px;padding:0 20px;border:0;border-radius:var(--pill);font:400 15px/1 var(--f-text);cursor:pointer;transition:background-color .2s,transform .14s}
html.v3 #duoRiskModal .dr-btn:active,html.v3 #stuRiskModal .dr-btn:active{transform:scale(.97)}
html.v3 #duoRiskModal .dr-btn-primary,html.v3 #stuRiskModal .dr-btn-primary{background:var(--blue);color:#fff}
html.v3 #duoRiskModal .dr-btn-primary:hover,html.v3 #stuRiskModal .dr-btn-primary:hover{background:var(--blue-h)}
html.v3 #duoRiskModal .dr-btn-ghost,html.v3 #stuRiskModal .dr-btn-ghost{background:var(--bg-3);color:var(--ink)}
html.v3 #duoRiskModal .dr-foot,html.v3 #stuRiskModal .dr-foot{margin:18px 0 0;color:var(--ink-2);font-size:12px}

/* 旧结账弹层：新版结账层（iframe）12 秒内没画出来 / 15 秒不可交互时 pay-overlay.js 自动退回这里（慢网络用户会遇到）。
   结构由 store.js 渲染（状态机不变），这里给全部状态补齐样式：确认 → 二维码 → 成功交付 → 过期 */
html.v3 #qrModal svg:not([width]){width:1em;height:1em}
html.v3 #qrModal .checkout-layout{width:min(960px,100%);padding:0;overflow:auto}
html.v3 #qrModal .checkout-stage-head{position:sticky;top:0;z-index:4;display:flex;align-items:center;gap:14px;padding:20px 24px 16px;border-bottom:1px solid var(--line-2);background:rgba(255,255,255,.94);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px)}
html.v3 #qrModal .checkout-back-btn{flex:none;display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:50%;background:var(--bg-3);color:var(--ink);font:500 16px/1 var(--f-text);cursor:pointer}
html.v3 #qrModal .checkout-stage-copy{flex:1;min-width:0}
html.v3 #qrModal .checkout-stage-kicker{display:none}
html.v3 #qrModal .checkout-stage-title{font:600 20px/1.2 var(--f-display);letter-spacing:-.01em;color:var(--ink)}
html.v3 #qrModal .checkout-stage-desc{margin:3px 0 0;color:var(--ink-2);font:400 13px/1.4 var(--f-text)}
html.v3 #qrModal .checkout-head-meta{flex:none;margin-left:auto}
html.v3 #qrModal .checkout-progress-track{display:flex;align-items:center}
html.v3 #qrModal .checkout-progress-node{display:block;width:10px;height:10px;border-radius:50%;background:var(--line)}
html.v3 #qrModal .checkout-progress-node-dot{display:none}
html.v3 #qrModal .checkout-progress-node.is-complete{background:var(--blue)}
html.v3 #qrModal .checkout-progress-node.is-active{background:#fff;box-shadow:inset 0 0 0 3px var(--blue)}
html.v3 #qrModal .checkout-progress-segment{display:block;width:18px;height:2px;margin:0 3px;border-radius:2px;background:var(--line)}
html.v3 #qrModal .checkout-progress-segment.is-complete{background:var(--blue)}
html.v3 #qrModal .checkout-head-status:not(:has(*:not(:empty))){display:none}
html.v3 #qrModal .checkout-inline-notice{margin:12px 24px 0;padding:10px 14px;border-radius:12px;background:#fff4e5;color:#9a4a00;font:400 13px/1.45 var(--f-text)}
html.v3 #qrModal .checkout-inline-notice[hidden]{display:none}
html.v3 #qrModal .checkout-sheet-body{display:grid;grid-template-columns:minmax(0,1fr) 360px}
html.v3 #qrModal .checkout-main-column{min-width:0;padding:24px}
html.v3 #qrModal .checkout-side-column{padding:24px;background:var(--bg-2)}
html.v3 #qrModal button{font-family:var(--f-text)}
/* 左栏：内嵌标题与顶部重复，收起；副标题当说明 */
html.v3 #qrModal .checkout-user-payment-label,html.v3 #qrModal .checkout-user-title-row{display:none}
html.v3 #qrModal .checkout-user-subtitle{margin:0 0 16px;color:var(--ink-2);font:400 14px/1.5 var(--f-text)}
html.v3 #qrModal .checkout-user-page-left.has-inline-surface .checkout-user-subtitle{display:none}
html.v3 #qrModal .checkout-user-info-box{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:14px;background:var(--bg-2)}
html.v3 #qrModal .checkout-user-avatar{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#fff;color:var(--ink-2);box-shadow:inset 0 0 0 1px var(--line-2)}
html.v3 #qrModal .checkout-user-avatar svg{width:20px;height:20px}
html.v3 #qrModal .checkout-user-avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover}
html.v3 #qrModal .checkout-user-info-title{color:var(--ink);font:600 14px/1.3 var(--f-text)}
html.v3 #qrModal .checkout-user-info-desc{margin-top:2px;color:var(--ink-2);font:400 12.5px/1.45 var(--f-text)}
/* 二维码：支付宝底图 + 白卡位置叠码（坐标沿用线上旧版） */
html.v3 #qrModal .checkout-qr-bg-panel{width:100%;max-width:340px;margin:0 auto}
html.v3 #qrModal .checkout-qr-bg-wrap{position:relative;width:100%;overflow:hidden;border-radius:18px;box-shadow:0 18px 40px rgba(0,0,0,.12)}
html.v3 #qrModal .checkout-qr-bg-wrap.is-loading{visibility:hidden}
html.v3 #qrModal img.checkout-qr-bg-img{display:block;width:100%;max-width:none;height:auto;margin:0;border-radius:0}
html.v3 #qrModal .checkout-qr-bg-overlay{position:absolute;top:33.6%;left:13.6%;width:72.6%;bottom:12.7%;overflow:hidden;border-radius:10px;background:#fff}
html.v3 #qrModal img.checkout-qr-image{display:block;width:100%;max-width:none;height:100%;margin:0;border-radius:0;object-fit:contain}
html.v3 #qrModal .checkout-qr-bg-overlay.is-expired .checkout-qr-image{opacity:.18;filter:blur(4px)}
html.v3 #qrModal .checkout-qr-bg-expired{position:absolute;inset:0;z-index:3;display:flex;align-items:center;justify-content:center}
html.v3 #qrModal .checkout-qr-bg-expired span{padding:6px 14px;border-radius:var(--pill);background:rgba(0,0,0,.72);color:#fff;font:600 13px/1.2 var(--f-text)}
/* 右栏：订单摘要 */
html.v3 #qrModal .summary-box{margin:0;padding:0;border:0;background:none;box-shadow:none}
html.v3 #qrModal .checkout-user-section-label{display:none}
html.v3 #qrModal .checkout-user-summary-title{margin:0 0 6px;color:var(--ink);font:600 17px/1.3 var(--f-display)}
html.v3 #qrModal .checkout-user-summary-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;padding:8px 0;color:var(--ink-2);font:400 14px/1.35 var(--f-text)}
html.v3 #qrModal .checkout-user-summary-row.is-underlined{border-bottom:1px solid var(--line-2)}
html.v3 #qrModal .checkout-user-summary-row>span:first-child{flex:none}
html.v3 #qrModal .checkout-user-summary-val,html.v3 #qrModal .checkout-user-summary-product{min-width:0;color:var(--ink);font-weight:500;text-align:right;overflow-wrap:anywhere}
html.v3 #qrModal .checkout-user-account-val{display:inline-flex;align-items:center;gap:6px;max-width:72%}
html.v3 #qrModal .checkout-user-account-icon{flex:none;width:15px;height:15px;color:var(--ink-3)}
html.v3 #qrModal .checkout-user-account-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
html.v3 #qrModal .checkout-pay-switch{display:inline-flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}
html.v3 #qrModal .checkout-pay-opt{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;border:0;border-radius:var(--pill);background:#fff;box-shadow:inset 0 0 0 1px var(--line);color:var(--ink);font:500 13px/1 var(--f-text);cursor:pointer}
html.v3 #qrModal .checkout-pay-opt.is-active{box-shadow:inset 0 0 0 2px var(--blue)}
html.v3 #qrModal .checkout-pay-opt.is-off,html.v3 #qrModal .checkout-pay-opt:disabled{opacity:.4;cursor:not-allowed}
html.v3 #qrModal .checkout-pay-opt-icon{display:inline-grid;place-items:center;width:16px;height:16px}
html.v3 #qrModal .checkout-pay-opt-icon svg,html.v3 #qrModal svg.btn-alipay-icon{flex:none;width:16px;height:16px}
html.v3 #qrModal .checkout-qty-stepper{display:inline-flex;align-items:center;gap:4px}
html.v3 #qrModal .checkout-qty-btn{display:grid;place-items:center;width:28px;height:28px;padding:0;border:0;border-radius:50%;background:var(--bg-3);color:var(--ink);font:500 16px/1 var(--f-text);cursor:pointer}
html.v3 #qrModal input.checkout-qty-field{width:40px;height:28px;padding:0;border:0;border-radius:0;background:none;box-shadow:none;color:var(--ink);font:600 16px/1 var(--f-text);text-align:center}
html.v3 #qrModal .summary-inline-tools{display:inline-flex;align-items:center;gap:8px;min-width:0;max-width:100%}
html.v3 #qrModal .checkout-mono{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);font:500 12.5px/1.2 var(--f-mono)}
html.v3 #qrModal .checkout-copy-btn{flex:none;height:26px;padding:0 10px;border:0;border-radius:var(--pill);background:var(--bg-3);color:var(--link);font:500 12px/26px var(--f-text);cursor:pointer}
html.v3 #qrModal .checkout-user-empty-value{color:var(--ink-3)}
html.v3 #qrModal .state-qr_ready,html.v3 #qrModal .state-checking,html.v3 #qrModal .state-creating{color:var(--warn)}
html.v3 #qrModal .state-paid_success,html.v3 #qrModal .state-delivery_ready{color:var(--ok)}
html.v3 #qrModal .state-failed,html.v3 #qrModal .state-expired{color:var(--err)}
html.v3 #qrModal .checkout-payment-progress{margin:8px 0 6px;padding:12px 14px;border:0;border-radius:14px;background:#fff;box-shadow:inset 0 0 0 1px var(--line-2)}
html.v3 #qrModal .cpc-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
html.v3 #qrModal .cpc-caption{color:var(--ink-2);font:400 13px/1.3 var(--f-text)}
html.v3 #qrModal .cpc-clock{color:var(--ink);font:600 20px/1 var(--f-display);font-variant-numeric:tabular-nums}
html.v3 #qrModal .cpc-track{height:4px;margin-top:10px;overflow:hidden;border-radius:4px;background:var(--bg-3)}
html.v3 #qrModal .cpc-fill{height:100%;border-radius:inherit;background:var(--blue)}
html.v3 #qrModal .checkout-user-price-box{margin-top:14px;padding:14px 16px;border-radius:14px;background:#fff}
html.v3 #qrModal .checkout-user-price-row{display:flex;justify-content:space-between;gap:12px;padding:3px 0;color:var(--ink-2);font:400 14px/1.4 var(--f-text)}
html.v3 #qrModal .checkout-user-price-sep{height:1px;margin:10px 0;border:0;background:var(--line-2)}
html.v3 #qrModal .checkout-user-total-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;color:var(--ink);font:600 15px/1.2 var(--f-text)}
html.v3 #qrModal .checkout-user-total-amount{font:600 24px/1 var(--f-display);letter-spacing:-.01em}
html.v3 #qrModal #confirmOrderBtn,html.v3 #qrModal .checkout-user-cta,html.v3 #qrModal .checkout-primary-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:50px;margin-top:14px;padding:0 20px;border:0;border-radius:var(--pill);background:var(--blue);color:#fff;font:500 17px/1 var(--f-text);cursor:pointer}
html.v3 #qrModal #confirmOrderBtn:hover{background:var(--blue-h)}
html.v3 #qrModal #confirmOrderBtn:disabled,html.v3 #qrModal #confirmOrderBtn.is-loading{opacity:.62;cursor:default}
html.v3 #qrModal #confirmOrderBtn svg.btn-alipay-icon{width:18px;height:18px}
html.v3 #qrModal .btn-spinner{flex:none;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:v3Spin .8s linear infinite}
html.v3 #qrModal .checkout-user-secure-note{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:12px;color:var(--ink-3);font:400 12px/1.3 var(--f-text)}
html.v3 #qrModal .checkout-user-secure-note svg{flex:none;width:13px;height:13px}
html.v3 #qrModal .checkout-expired-overlay{position:absolute;inset:0;z-index:6;display:grid;place-items:center;padding:24px;background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
html.v3 #qrModal .checkout-expired-overlay[hidden]{display:none}
html.v3 #qrModal .checkout-expired-dialog{width:min(320px,100%);padding:22px;border-radius:18px;background:#fff;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.18)}
html.v3 #qrModal .checkout-expired-kicker{color:var(--ink-3);font:400 12px/1.3 var(--f-text)}
html.v3 #qrModal .checkout-expired-dialog h3{margin:6px 0 0;font:600 19px/1.25 var(--f-display)}
html.v3 #qrModal .checkout-expired-dialog p{margin:8px 0 16px;color:var(--ink-2);font:400 14px/1.45 var(--f-text)}
html.v3 #qrModal .checkout-expired-dialog button{width:100%;min-height:44px;border:0;border-radius:var(--pill);background:var(--blue);color:#fff;font:500 16px/1 var(--f-text);cursor:pointer}
/* 交付卡（旧结账弹层付款成功后）：store.js 注入的是深色票据样式（带 !important），新版统一成浅色 Apple 风——同名属性用更高优先级 + !important 盖过去 */
html.v3 .dr-delivery-card{margin-top:0;border:0;border-radius:18px;background:#fff!important;color:var(--ink)!important;box-shadow:inset 0 0 0 1px var(--line-2),0 10px 30px rgba(0,0,0,.06)}
html.v3 .dr-card-header{padding:18px 18px 12px}
html.v3 .dr-header-icon{width:36px;height:36px;background:#e3f4e8;color:var(--ok)!important;box-shadow:none}
html.v3 .dr-header-icon svg{width:18px;height:18px}
html.v3 .dr-header-text h2{color:var(--ink)!important;font:600 17px/1.25 var(--f-display);letter-spacing:-.01em}
html.v3 .dr-header-text p{color:var(--ink-2)!important}
html.v3 .dr-status-badge{border:0;background:#e3f4e8;color:var(--ok)!important}
html.v3 .dr-notice-bar{margin:0 18px 14px;border:0;border-radius:12px;background:#fff4e5;color:#9a4a00!important}
html.v3 .dr-card-body{padding:0 18px}
html.v3 .dr-credential-block{border:0;border-radius:14px;background:var(--bg-2)}
html.v3 .dr-credential-header{border-bottom:1px solid var(--line-2)}
html.v3 .dr-credential-title,html.v3 .dr-section-label{color:var(--ink-3)!important}
html.v3 .dr-field-row:hover{background:rgba(0,0,0,.025)}
html.v3 .dr-field-row+.dr-field-row{border-top:1px solid var(--line-2)}
html.v3 .dr-field-label{color:var(--ink-2)!important}
html.v3 .dr-field-value{color:var(--ink)!important;font-family:var(--f-mono)!important}
html.v3 .dr-delivery-card .dr-copy-field-btn{border:0!important;border-radius:50%!important;background:#fff!important;color:var(--blue)!important;box-shadow:inset 0 0 0 1px var(--line)!important}
html.v3 .dr-delivery-card .dr-copy-field-btn:hover{background:var(--bg-3)!important;color:var(--blue)!important}
html.v3 .dr-delivery-card .dr-copy-field-btn.dr-copied{background:#e3f4e8!important;color:var(--ok)!important;box-shadow:none!important}
html.v3 .dr-delivery-card .dr-activate-bar{border:0;border-radius:14px;background:#e8f1fc}
html.v3 .dr-delivery-card .dr-activate-text{color:#0b4f9c!important}
html.v3 .dr-delivery-card .dr-activate-link{padding:12px 14px;border-radius:var(--pill);background:var(--blue);color:#fff!important;font:500 14px/1 var(--f-text)}
html.v3 .dr-delivery-card .dr-activate-link:hover{background:var(--blue-h);color:#fff!important}
html.v3 .dr-card-footer{padding:14px 18px 18px}
html.v3 .dr-copy-all-btn{padding:14px;border-radius:var(--pill);background:var(--bg-3);color:var(--ink)!important;font:500 15px/1 var(--f-text)}
html.v3 .dr-copy-all-btn:hover{background:#dcdce1}
html.v3 .dr-copy-all-btn.dr-copied-all{background:var(--ok);color:#fff!important}

/* toast */
html.v3 .toast{position:fixed;left:50%;top:calc(var(--nav-h) + 14px);z-index:2147483646;max-width:calc(100vw - 32px);padding:10px 18px;border-radius:var(--pill);background:rgba(29,29,31,.88);color:#f5f5f7;font:500 14px/1.35 var(--f-text);text-align:center;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:0 10px 30px rgba(0,0,0,.25);opacity:0;transform:translate(-50%,-8px);transition:opacity .25s var(--ease),transform .35s var(--spring);pointer-events:none}
html.v3 .toast.show{opacity:1;transform:translate(-50%,0)}

/* 14. 其他脚本注入的界面：统一成同一套外观 -------------------------------- */
/* 微信 / QQ 弹窗（wechat-group.js / qq-group.js） */
html.v3 body .wxg-mask,html.v3 body .qqg-mask{background:rgba(0,0,0,.42);-webkit-backdrop-filter:none;backdrop-filter:none}
html.v3 body .wxg-card,html.v3 body .qqg-card{border:0;border-radius:22px;box-shadow:0 40px 100px rgba(0,0,0,.32);font-family:var(--f-text);background:#fff;color:var(--ink)}
html.v3 body .wxg-title{font:600 17px/1.3 var(--f-text)}
html.v3 body .wxg-card .wxg-close,html.v3 body .qqg-card .qqg-close{background:var(--bg-3);opacity:1;color:var(--ink)}
html.v3 body .wxg-tabs{border-radius:9px;background:var(--bg-3);padding:2px}
html.v3 body .wxg-tabs .wxg-tab{border-radius:7px;font:500 13px/1.3 var(--f-text);opacity:.75}
html.v3 body .wxg-tabs .wxg-tab[aria-selected="true"]{opacity:1;box-shadow:0 1px 3px rgba(0,0,0,.12),0 0 0 .5px rgba(0,0,0,.04)}
html.v3 body .wxg-tile{border-radius:18px;border:0;box-shadow:0 10px 30px rgba(0,0,0,.08),inset 0 0 0 .5px rgba(0,0,0,.06)}
html.v3 body .wxg-name{font:600 15px/1.35 var(--f-text)}
html.v3 body .wxg-line{color:var(--ink-2);font-size:12px}
html.v3 body .wxg-copy,html.v3 body .qqg-copy{border-radius:var(--pill)!important;background:var(--blue)!important;color:#fff!important;border:0!important}
/* 免费邮箱卡（mail-card.js） */
html.v3 body .szmail-backdrop{background:rgba(0,0,0,.42);-webkit-backdrop-filter:none;backdrop-filter:none}
html.v3 body .szmail-card{border-radius:22px;background:#fff;box-shadow:0 40px 100px rgba(0,0,0,.32)}
html.v3 body .szmail-backdrop .szmail-close{top:16px!important;right:16px!important;width:32px!important;height:32px!important;border:0!important;background:var(--bg-3)!important;color:var(--ink)!important;box-shadow:none!important}
html.v3 body .szmail-backdrop .szmail-close:hover{background:#dcdce1!important;color:var(--ink)!important}
html.v3 body .szmail-backdrop .szmail-close svg{width:13px;height:13px;stroke-width:2}
html.v3 body .szmail-loading{color:var(--ink-3);font:400 14px/1 var(--f-text)}
@media (max-width:640px){html.v3 body .szmail-backdrop{align-items:flex-end}html.v3 body .szmail-card{max-height:calc(100dvh - 24px);border-radius:16px 16px 0 0}}

/* 首屏按视口高度分档压缩文字区（矮屏笔记本 / 带工具栏的手机），把高度留给陈列图 */
@media (min-width:735px) and (max-height:820px){.hero{padding-top:calc(var(--nav-h) + 44px);padding-bottom:40px}.hero-title{font-size:clamp(48px,6vw,68px)}.hero-ctas{margin-top:24px}}
@media (min-width:735px) and (max-height:700px){.hero{padding-top:calc(var(--nav-h) + 30px);padding-bottom:28px}.hero-title{font-size:clamp(44px,5vw,56px)}.hero-ctas{margin-top:20px}}
@media (min-width:735px) and (max-width:1100px) and (orientation:portrait){.hero-stage img{max-width:min(100vw,820px)}}

/* 15. 平板 ---------------------------------------------------------------- */
@media (max-width:1068px){
  :root{--wrap:100%}
  .sec-inner,.foot-inner{width:calc(100% - 2*var(--gut))}
  .plans{grid-template-columns:repeat(2,minmax(0,1fr))}
  .why-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tiles{gap:10px;padding:10px}
  .tile{min-height:540px;padding-top:48px}
  .promo{border-top-width:10px;padding-top:52px}
  .sheet-box{grid-template-columns:40% 60%}
  .sheet-scroll{padding:46px 34px 24px}
  .sheet-bar{padding-left:34px;padding-right:34px}
  .cmp-head,.cmp-scroll{padding-left:34px;padding-right:34px}
}
@media (max-width:1023px){
  .gnav-links{position:fixed;top:var(--nav-h);left:0;right:0;z-index:4;display:block;height:calc(100vh - var(--nav-h));height:calc(100dvh - var(--nav-h));padding:14px 40px 60px;overflow-y:auto;overscroll-behavior:contain;background:rgba(22,22,23,.98);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);visibility:hidden;opacity:0;transition:opacity .3s var(--ease),visibility 0s linear .3s}
  body.nav-open .gnav-links{visibility:visible;opacity:1;transition-delay:0s}
  body.nav-open{overflow:hidden}
  .gnav-links > .gnav-link,.gnav-menu > .gnav-link{display:flex;width:100%;height:auto;padding:9px 0;color:#e8e8ed!important;font:600 28px/1.25 var(--f-display);letter-spacing:-.01em;opacity:0;transform:translateY(-6px);transition:opacity .35s var(--ease),transform .45s var(--spring)}
  body.nav-open .gnav-links > .gnav-link,body.nav-open .gnav-menu > .gnav-link{opacity:1;transform:none}
  body.nav-open .gnav-links > :nth-child(2){transition-delay:.03s}
  body.nav-open .gnav-links > :nth-child(3){transition-delay:.06s}
  body.nav-open .gnav-links > :nth-child(4){transition-delay:.09s}
  body.nav-open .gnav-links > :nth-child(5) .gnav-link{transition-delay:.12s}
  body.nav-open .gnav-links > :nth-child(6) .gnav-link{transition-delay:.15s}
  .gnav-menu{display:block;height:auto}
  .gnav-chev{width:8px;height:8px;margin-left:12px;border-width:2px}
  .gnav-flyout{position:static;display:none;visibility:visible;opacity:1;transform:none;background:none;-webkit-backdrop-filter:none;backdrop-filter:none;pointer-events:auto;transition:none}
  .gnav-menu[data-menu-open="true"] > .gnav-flyout{display:block}
  .flyout-inner{display:flex;flex-direction:column;gap:18px;width:auto;margin:0;padding:6px 0 14px 2px}
  .flyout-big{font-size:19px}
  .flyout-kicker{margin-bottom:4px}
  .gnav-scrim{display:none}
  .gnav-burger{display:block}
  .gnav-actions{margin-left:auto}
  html.v3 body #accountCombo.sz-tiered .sz-id-text{display:none!important}
  html.v3 body #accountCombo.sz-tiered .sz-id::before{display:none}
}
/* 16. 手机 ---------------------------------------------------------------- */
@media (max-width:734px){
  :root{--gut:20px}
  html.v3 body{font-size:16px}
  .hero{--head:200px;--fold-gap:28px;height:max(340px,calc(100vh - var(--head)));height:max(340px,calc(100svh - var(--head)));padding-top:calc(var(--nav-h) + 40px)}
  .hero-title{font-size:clamp(44px,12vw,56px)}
  .hero-ctas{gap:12px;margin-top:26px}
  .hero-ctas .btn{min-width:128px}
  .hero{padding-bottom:40px}
  .hero-stage{margin-top:10px}
  .hero-stage img{max-width:min(112vw,640px)}
  #v3Gpt{padding-top:48px}
  #v3Gpt .sec-head{margin-bottom:44px}
  .sec{padding:64px 0 72px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .sec-links{justify-content:flex-start}
  .sec-links .tlink{font-size:15px}
  .plans{display:flex;gap:14px;margin:0 calc(-1 * var(--gut));padding:4px var(--gut) 18px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-left:var(--gut);scrollbar-width:none}
  .plans::-webkit-scrollbar{display:none}
  .plan{flex:0 0 min(82vw,320px);scroll-snap-align:start}
  .plan:hover{transform:none}
  .tiles{grid-template-columns:1fr;gap:10px;padding:10px 0;background:var(--bg)}
  .promo{padding:46px 0 0}
  .promo-copy{padding:0 var(--gut)}
  .promo-title{font-size:clamp(32px,9vw,40px)}
  .promo-sub{font-size:19px}
  .promo-ctas{gap:12px;margin-top:20px}
  .promo-ctas .btn{min-width:128px}
  .promo-visual{width:100%;aspect-ratio:1170/445;margin-top:22px}
  .tile{min-height:500px;padding-top:44px}
  .tile-media{width:min(64%,280px)}
  .chip{width:76px}
  .chip-ic{width:52px;height:52px}
  .plist{grid-template-columns:1fr;gap:10px}
  .prow{grid-template-columns:60px minmax(0,1fr) auto;gap:12px;padding:12px 14px 12px 12px}
  .prow-ic{width:60px;height:60px;border-radius:14px}
  .prow-name{display:-webkit-box;font-size:16px;white-space:normal;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  #pvSwitch{bottom:76px!important;left:50%!important;transform:translateX(-50%)}
  .partner{padding:92px var(--gut) 96px}
  .partner-price{font-size:52px}
  .why-grid{grid-template-columns:1fr;gap:10px}
  .why-card{display:grid;grid-template-columns:44px minmax(0,1fr);column-gap:14px;min-height:0;padding:18px 20px}
  .why-card .why-ic{grid-row:1 / span 2;width:44px;height:44px}
  .why-card .why-ic svg{width:34px;height:34px}
  .why-title{margin:0 0 4px;padding-top:2px;font-size:17px}
  .why-body{font-size:13.5px}
  .foot-cols{grid-template-columns:1fr 1fr;gap:20px 16px}
  .foot-legal{flex-direction:column;align-items:flex-start}
  .foot-lang button{padding:4px 9px}

  .sheet-box{left:0;right:0;top:auto;bottom:0;display:block;width:100%;height:calc(100% - 10px);height:calc(100dvh - 10px);overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;border-radius:16px 16px 0 0;transform:translateY(100%);opacity:1}
  .sheet.is-in .sheet-box{transform:none}
  .sheet-top{position:sticky;top:0}
  .sheet-top::before{content:"";position:absolute;top:7px;left:50%;width:36px;height:5px;border-radius:3px;background:rgba(0,0,0,.18);transform:translateX(-50%)}
  .sheet-main{display:block}
  .sheet-scroll{overflow:visible;padding:0}
  .sheet-media{height:260px;padding:34px 20px 18px}
  .sheet-media img{width:auto;height:100%;max-height:200px}
  .sheet-body{padding:24px 20px 28px}
  .sheet-close,.sheet-share{top:16px}
  .sheet-share-tip{top:58px}
  .sheet-bar{position:sticky;bottom:0}
  .sheet-compare .sheet-box{display:flex;flex-direction:column;width:100%;overflow:hidden}
  .tier-grid{grid-template-columns:1fr 1fr}
  .sheet-bar{padding:12px 20px calc(12px + env(safe-area-inset-bottom))}
  .sheet-bar .btn{min-width:116px}
  .cmp-head{padding:34px 20px 14px}
  .cmp-scroll{padding:0 20px 30px}
  .cmp-table{display:none}
  .cmp-m{display:block}
  .cmp-label{position:sticky;left:0;z-index:1;background:#fff}
  .cmp-corner{left:0;z-index:2}

  html.v3 .modal{align-items:flex-end;padding:0}
  html.v3 .modal-box,html.v3 #duoRiskModal .dr-sheet,html.v3 #stuRiskModal .dr-sheet{width:100%!important;max-height:calc(100dvh - 24px);border-radius:16px 16px 0 0;padding-bottom:calc(24px + env(safe-area-inset-bottom));animation-name:v3SheetUp}
  html.v3 #duoRiskModal .dr-sheet,html.v3 #stuRiskModal .dr-sheet{padding-bottom:env(safe-area-inset-bottom)}
  @keyframes v3SheetUp{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
  html.v3 .query-dock-form,html.v3 .card-guide-input-row{flex-direction:column}
  html.v3 .history-merged-grid{grid-template-columns:1fr 1fr}
  html.v3 .ed-doc-list.is-cols{grid-template-columns:1fr}
  html.v3 .purchase-notice-grid{grid-template-columns:1fr}
  html.v3 #qrModal .checkout-sheet-body{grid-template-columns:1fr}
  html.v3 #qrModal .checkout-stage-head{padding:16px 18px 12px}
  html.v3 #qrModal .checkout-head-meta{display:none}
  html.v3 #qrModal .checkout-main-column{padding:18px}
  html.v3 #qrModal .checkout-side-column{padding:18px 18px calc(22px + env(safe-area-inset-bottom))}
  html.v3 #qrModal .checkout-qr-bg-panel{max-width:300px}
  html.v3 #qrModal .checkout-inline-notice{margin:10px 18px 0}
  html.v3 .card-bin-picker-footer{flex-direction:column;align-items:stretch}
  html.v3 .card-bin-picker-action-row{justify-content:space-between}
}
@media (max-width:734px) and (max-height:780px){.hero{padding-top:calc(var(--nav-h) + 22px);padding-bottom:22px}.hero-title{font-size:44px}.hero-ctas{margin-top:18px}.hero-stage{margin-top:6px}}
@media (min-width:735px){ .sheet-body{padding:0} }

/* 17. 减少动态 ------------------------------------------------------------ */
@media (prefers-reduced-motion:reduce){
  html.v3{scroll-behavior:auto}
  .hero-title,.hero-ctas,.hero-stage,.sheet-media img{animation:none!important}
  .rv{opacity:1;transform:none;transition:none}
  .sheet-box,.sheet-scrim,.gnav-flyout,.gnav-pop{transition:none!important}
}