:root{--bg: #fbfbfd;--bg-elevated: #ffffff;--bg-subtle: #f5f5f7;--text: #1d1d1f;--text-secondary: #6e6e73;--text-tertiary: #86868b;--border: rgba(0, 0, 0, .1);--border-strong: rgba(0, 0, 0, .18);--accent: #0071e3;--accent-hover: #0077ed;--nav-bg: rgba(251, 251, 253, .72);--card-shadow: 0 4px 24px rgba(0, 0, 0, .06);--card-shadow-hover: 0 12px 40px rgba(0, 0, 0, .12);--lock-bg: #f5f5f7;--tw-up: #d70015;--tw-up-bg: #ffe3e4;--tw-down: #1a8f3c;--tw-down-bg: #dcf5e3;--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;--maxw: 1080px;--radius: 18px;--radius-sm: 12px;--ease: cubic-bezier(.22, 1, .36, 1)}html[data-theme=dark]{--bg: #000000;--bg-elevated: #1c1c1e;--bg-subtle: #161617;--text: #f5f5f7;--text-secondary: #a1a1a6;--text-tertiary: #86868b;--border: rgba(255, 255, 255, .12);--border-strong: rgba(255, 255, 255, .2);--accent: #2997ff;--accent-hover: #4aa8ff;--nav-bg: rgba(0, 0, 0, .6);--card-shadow: 0 4px 24px rgba(0, 0, 0, .4);--card-shadow-hover: 0 12px 40px rgba(0, 0, 0, .55);--lock-bg: #1c1c1e;--tw-up: #ff5a5f;--tw-up-bg: rgba(255, 59, 48, .16);--tw-down: #37d15b;--tw-down-bg: rgba(52, 199, 89, .16)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background-color .4s var(--ease),color .4s var(--ease)}a{color:var(--accent);text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease)}a:hover{text-decoration:underline}img{max-width:100%;display:block}h1,h2,h3{letter-spacing:-.02em;line-height:1.08;font-weight:600;margin:0}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}.section{padding-top:88px;padding-bottom:88px}.section--tight{padding-top:56px;padding-bottom:56px}.eyebrow{color:var(--accent);font-weight:600;font-size:.95rem;letter-spacing:.01em;margin:0 0 12px}.lead{color:var(--text-secondary);font-size:1.28rem;line-height:1.5;max-width:40ch}.nav{position:sticky;top:0;z-index:100;background:var(--nav-bg);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--border);transition:background-color .4s var(--ease),border-color .4s var(--ease)}.nav__inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:52px;display:flex;align-items:center;gap:28px}.nav__brand{font-weight:600;color:var(--text);font-size:1.05rem;letter-spacing:-.01em}.nav__brand:hover{text-decoration:none;opacity:.7}.nav__links{display:flex;gap:26px;align-items:center;margin-left:auto}.nav__link{color:var(--text-secondary);font-size:.9rem;font-weight:400}.nav__link:hover{color:var(--text);text-decoration:none}.nav__item{display:inline-flex;align-items:center}.nav__item--has-sub{position:relative}.nav__parent{display:inline-flex;align-items:center;cursor:pointer}.nav__caret{display:inline-block;margin-left:6px;width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;opacity:.55;transition:transform .2s var(--ease)}.nav__item--has-sub:not(.sub-on) .nav__caret{display:none}.nav__sub{position:absolute;top:100%;left:0;margin-top:8px;min-width:190px;background:var(--bg);border:1px solid var(--border);border-radius:12px;box-shadow:0 12px 28px #00000024;padding:6px;display:none;flex-direction:column;z-index:120}.nav__sublink{display:block;padding:9px 14px;border-radius:8px;color:var(--text-secondary);font-size:.92rem;white-space:nowrap}.nav__sublink:hover{background:var(--bg-subtle);color:var(--text);text-decoration:none}.nav__sublink[hidden]{display:none!important}@media(min-width:641px){.nav__item--has-sub.sub-on:hover>.nav__sub,.nav__item--has-sub.sub-on:focus-within>.nav__sub{display:flex}.nav__item--has-sub.sub-on:after{content:"";position:absolute;top:100%;left:0;right:0;height:10px}}.nav__burger{display:none;margin-left:auto;width:40px;height:40px;border:0;background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:10px}.nav__burger span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s var(--ease),opacity .2s var(--ease)}.nav--open .nav__burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav--open .nav__burger span:nth-child(2){opacity:0}.nav--open .nav__burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav__link--lock:after{content:"";display:inline-block;width:11px;height:11px;margin-left:5px;vertical-align:-1px;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 1a5 5 0 0 0-5 5v3H6a2 2 0 0 0-2 2v9a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-9a2 2 0 0 0-2-2h-1V6a5 5 0 0 0-5-5zm3 8H9V6a3 3 0 0 1 6 0v3z'/%3E%3C/svg%3E") center / contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 1a5 5 0 0 0-5 5v3H6a2 2 0 0 0-2 2v9a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-9a2 2 0 0 0-2-2h-1V6a5 5 0 0 0-5-5zm3 8H9V6a3 3 0 0 1 6 0v3z'/%3E%3C/svg%3E") center / contain no-repeat;opacity:.7}.theme-toggle{display:inline-flex;align-items:center;gap:2px;padding:3px;border-radius:999px;background:var(--bg-subtle);border:1px solid var(--border)}.theme-toggle button{all:unset;cursor:pointer;width:28px;height:26px;display:grid;place-items:center;border-radius:999px;color:var(--text-tertiary);transition:background-color .2s var(--ease),color .2s var(--ease)}.theme-toggle button svg{width:15px;height:15px}.theme-toggle button[aria-pressed=true]{background:var(--bg-elevated);color:var(--text);box-shadow:0 1px 3px #00000024}.theme-toggle button:hover{color:var(--text)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-size:1rem;font-weight:400;padding:12px 22px;border-radius:980px;border:1px solid transparent;cursor:pointer;transition:transform .15s var(--ease),background-color .2s var(--ease),opacity .2s var(--ease)}.btn:hover{text-decoration:none}.btn:active{transform:scale(.97)}.btn--primary{background:var(--accent);color:#fff}.btn--primary:hover{background:var(--accent-hover)}.btn--ghost{background:transparent;color:var(--accent);border-color:var(--border-strong)}.btn--ghost:hover{background:var(--bg-subtle)}.btn--block{width:100%}.hero{text-align:center;padding:120px 0 96px}.hero h1{font-size:clamp(2.6rem,6vw,4.5rem);font-weight:600;margin:0 0 20px}.hero .lead{margin:0 auto 34px;font-size:clamp(1.15rem,2.4vw,1.5rem);max-width:34ch}.hero__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.gradient-text{background:linear-gradient(120deg,var(--accent),#a24bff 60%,#ff5e8a);-webkit-background-clip:text;background-clip:text;color:transparent}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:30px;box-shadow:var(--card-shadow);transition:transform .35s var(--ease),box-shadow .35s var(--ease),background-color .4s var(--ease),border-color .4s var(--ease)}.card:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}.card h3{font-size:1.3rem;margin:0 0 10px}.card p{color:var(--text-secondary);margin:0;font-size:1rem}.card__icon{width:44px;height:44px;border-radius:12px;background:var(--bg-subtle);display:grid;place-items:center;margin-bottom:18px;font-size:1.4rem}.section-head{text-align:center;margin-bottom:52px}.section-head h2{font-size:clamp(2rem,4vw,3rem);margin-bottom:14px}.section-head p{color:var(--text-secondary);font-size:1.2rem;margin:0 auto;max-width:46ch}.auth-wrap{min-height:calc(100vh - 52px);display:grid;place-items:center;padding:40px 24px}.auth-card{width:100%;max-width:380px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:40px 34px;box-shadow:var(--card-shadow)}.auth-card h1{font-size:1.75rem;text-align:center;margin-bottom:8px}.auth-card .sub{text-align:center;color:var(--text-secondary);font-size:.95rem;margin-bottom:28px}.field{margin-bottom:16px}.field label{display:block;font-size:.85rem;color:var(--text-secondary);margin-bottom:6px}.field input{width:100%;font-family:inherit;font-size:1rem;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--bg);color:var(--text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 25%,transparent)}.auth-error{background:color-mix(in srgb,#ff3b30 12%,transparent);color:#ff453a;border:1px solid color-mix(in srgb,#ff3b30 30%,transparent);border-radius:var(--radius-sm);padding:10px 14px;font-size:.9rem;margin-bottom:18px}.badge{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:500;color:var(--text-secondary);background:var(--lock-bg);border:1px solid var(--border);padding:5px 12px;border-radius:999px}.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:18px;margin-top:8px}.stat{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:22px}.stat .n{font-size:2rem;font-weight:600;letter-spacing:-.02em}.stat .l{color:var(--text-secondary);font-size:.9rem;margin-top:4px}.pos{color:#34c759}.neg{color:#ff3b30}.footer{border-top:1px solid var(--border);padding:40px 0;margin-top:40px}.footer__inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;color:var(--text-tertiary);font-size:.85rem}.footer a{color:var(--text-tertiary)}@media(max-width:640px){.nav__burger{display:flex}.nav__links{position:absolute;top:52px;left:0;right:0;margin:0;flex-direction:column;align-items:flex-start;gap:4px;padding:10px 24px 16px;background:var(--bg);border-bottom:1px solid var(--border);box-shadow:0 12px 24px #0000001f;display:none}.nav--open .nav__links{display:flex}.nav__links .nav__link{width:100%;padding:12px 4px;font-size:1rem;border-bottom:1px solid var(--border)}.nav__item--has-sub{display:block;width:100%}.nav__item--has-sub .nav__parent{justify-content:space-between}.nav__sub{position:static;margin:0;padding:0 0 6px 12px;min-width:0;border:none;box-shadow:none;background:transparent;display:none}.nav__item--has-sub.open>.nav__sub{display:flex}.nav__item--has-sub.open .nav__caret{transform:rotate(180deg)}.nav__sub .nav__sublink{width:100%;padding:11px 4px;font-size:.95rem;border-bottom:1px solid var(--border)}.nav__sub .nav__sublink:last-child{border-bottom:none}.nav__links .theme-toggle{margin-top:12px}.section{padding-top:64px;padding-bottom:64px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}.market-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.mstat{background:var(--bg-elevated);border:1px solid var(--border);border-radius:16px;padding:24px 26px;box-shadow:var(--card-shadow)}.mstat--loading{color:var(--text-tertiary)}.mstat__label{color:var(--text-secondary);font-size:.9rem;margin-bottom:10px}.mstat__value{font-size:2.2rem;font-weight:600;letter-spacing:-.02em;color:var(--text);display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.mstat__value .unit{font-size:1rem;font-weight:500;color:var(--text-secondary)}.mstat__sub{margin-top:6px;font-size:.95rem;font-weight:500}.mstat__date{margin-top:12px;color:var(--text-secondary);font-size:.85rem}.mstat__hint{display:inline-block;margin-top:10px;font-size:.72rem;color:var(--text-tertiary);background:var(--bg-subtle);border:1px solid var(--border);border-radius:999px;padding:3px 10px}.chg{font-size:.85rem;font-weight:600;padding:2px 9px;border-radius:8px}.up{color:var(--tw-up)}.down{color:var(--tw-down)}.up-bg{background:var(--tw-up-bg);color:var(--tw-up)}.down-bg{background:var(--tw-down-bg);color:var(--tw-down)}.inst-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}.inst-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:16px;padding:22px 24px;box-shadow:var(--card-shadow)}.inst-card__head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:12px}.inst-card__title{font-size:1.05rem;font-weight:600;color:var(--text)}.inst-card__date{color:var(--text-tertiary);font-size:.8rem}.inst-row{display:flex;align-items:baseline;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--border)}.inst-row:last-child{border-bottom:none}.inst-row.total{border-top:1px solid var(--border-strong);border-bottom:none;margin-top:4px;padding-top:11px}.inst-row .lbl{color:var(--text-secondary);font-size:.92rem}.inst-row.total .lbl{color:var(--text);font-weight:600}.inst-row .val{font-variant-numeric:tabular-nums;font-weight:600;font-size:.98rem}.inst-table-wrap{overflow-x:auto}table.inst-table{width:100%;border-collapse:collapse}table.inst-table th{text-align:left;color:var(--text-secondary);font-weight:500;font-size:.85rem;padding:8px 14px;border-bottom:1px solid var(--border);white-space:nowrap}table.inst-table th.num,table.inst-table td.num{text-align:right;font-variant-numeric:tabular-nums}table.inst-table td{padding:12px 14px;border-bottom:1px solid var(--border);color:var(--text)}table.inst-table tr:last-child td{border-bottom:none}table.inst-table td.lbl{color:var(--text-secondary)}table.inst-table tr.total td{border-top:1px solid var(--border-strong);font-weight:600}table.inst-table tr.total td.lbl{color:var(--text)}table.inst-table td.up{color:var(--tw-up);font-weight:600}table.inst-table td.down{color:var(--tw-down);font-weight:600}.inst-foot{color:var(--text-tertiary);font-size:.8rem;padding:12px 14px 0}.inst-table th .inst-date{display:block;font-weight:400;font-size:.72rem;color:var(--text-tertiary);margin-top:3px}.datenav{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap}.datenav__lbl{font-size:.85rem;color:var(--text-secondary)}.datenav select{font-family:inherit;font-size:.9rem;padding:8px 12px;border-radius:10px;border:1px solid var(--border-strong);background:var(--bg-elevated);color:var(--text);cursor:pointer}.datenav__btn{font-family:inherit;font-size:.85rem;padding:8px 12px;border-radius:10px;border:1px solid var(--border-strong);background:var(--bg-elevated);color:var(--text);cursor:pointer;transition:background-color .15s var(--ease),opacity .15s var(--ease)}.datenav__btn:hover:not(:disabled){background:var(--bg-subtle)}.datenav__btn:disabled{opacity:.4;cursor:default}