/* ========================================================================== xunl.net 前台主题 —— 深空极光 / 玻璃拟态 / 霓虹渐变 依赖 Bootstrap 5.3（），只做覆盖，不改结构 ========================================================================== */ :root { --xl-bg: #06070d; --xl-bg-2: #0b0d1a; --xl-surface: rgba(20, 22, 40, .55); --xl-surface-2: rgba(28, 31, 56, .7); --xl-border: rgba(255, 255, 255, .08); --xl-border-2: rgba(255, 255, 255, .14); --xl-text: #e7e9f5; --xl-muted: #9aa0bd; --xl-violet: #8b5cf6; --xl-cyan: #22d3ee; --xl-pink: #f472b6; --xl-green: #34d399; --xl-grad: linear-gradient(120deg, #8b5cf6 0%, #22d3ee 55%, #f472b6 100%); --xl-grad-soft: linear-gradient(120deg, rgba(139, 92, 246, .22), rgba(34, 211, 238, .16)); --xl-radius: 16px; --xl-shadow: 0 10px 40px -12px rgba(0, 0, 0, .6), 0 0 0 1px var(--xl-border) inset; --bs-body-bg: var(--xl-bg); --bs-body-color: var(--xl-text); --bs-border-color: var(--xl-border-2); --bs-link-color-rgb: 125, 211, 252; --bs-link-hover-color-rgb: 244, 114, 182; --bs-font-sans-serif: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif; } html { scroll-behavior: smooth; } body { background: var(--xl-bg) !important; color: var(--xl-text); min-height: 100vh; position: relative; overflow-x: hidden; -webkit-font-smoothing: antialiased; } /* ---------- 背景：极光 + 网格 + 星点画布 ---------- */ .xl-bg { position: fixed; inset: 0; z-index: -2; pointer-events: none; overflow: hidden; background: radial-gradient(1200px 600px at 50% -10%, rgba(139, 92, 246, .18), transparent 60%), linear-gradient(180deg, var(--xl-bg) 0%, var(--xl-bg-2) 100%); } .xl-bg::before { /* 细网格，向下渐隐 */ content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px); background-size: 44px 44px; -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%); mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%); } .xl-blob { position: absolute; width: 46vmax; height: 46vmax; border-radius: 50%; filter: blur(90px); opacity: .35; will-change: transform; animation: xl-drift 26s ease-in-out infinite alternate; } .xl-blob.b1 { background: #7c3aed; top: -18vmax; left: -12vmax; } .xl-blob.b2 { background: #0891b2; top: 10vmax; right: -18vmax; animation-duration: 32s; animation-delay: -8s; } .xl-blob.b3 { background: #db2777; bottom: -24vmax; left: 20vmax; opacity: .22; animation-duration: 38s; animation-delay: -16s; } @keyframes xl-drift { 0% { transform: translate(0, 0) scale(1); } 50% { transform: translate(6vmax, 4vmax) scale(1.12); } 100% { transform: translate(-4vmax, 8vmax) scale(.95); } } #xl-stars { position: fixed; inset: 0; z-index: -1; pointer-events: none; } /* 鼠标跟随光晕 */ .xl-cursor-glow { position: fixed; left: 0; top: 0; width: 520px; height: 520px; margin: -260px 0 0 -260px; border-radius: 50%; background: radial-gradient(circle, rgba(139, 92, 246, .13), transparent 65%); pointer-events: none; z-index: -1; transition: opacity .4s; will-change: transform; } ::selection { background: rgba(139, 92, 246, .45); color: #fff; } ::-webkit-scrollbar { width: 10px; height: 10px; } ::-webkit-scrollbar-track { background: transparent; } ::-webkit-scrollbar-thumb { background: rgba(139, 92, 246, .35); border-radius: 10px; border: 2px solid var(--xl-bg); } ::-webkit-scrollbar-thumb:hover { background: rgba(139, 92, 246, .6); } a { transition: color .2s; } /* ---------- 顶部导航：玻璃条 + 品牌 ---------- */ .nav.nav-pills.xl-nav { position: sticky; top: 12px; z-index: 1030; align-items: center; gap: 4px; padding: 8px 10px; margin-bottom: 22px; border-radius: 999px; background: rgba(13, 15, 30, .6); border: 1px solid var(--xl-border-2); -webkit-backdrop-filter: blur(18px) saturate(160%); backdrop-filter: blur(18px) saturate(160%); box-shadow: 0 8px 32px -8px rgba(0, 0, 0, .7); } .xl-brand { display: flex; align-items: center; gap: 8px; padding: 2px 14px 2px 6px; margin-right: 4px; font-weight: 800; font-size: 1.05rem; letter-spacing: .04em; text-decoration: none; color: #fff; border-right: 1px solid var(--xl-border-2); } .xl-brand:hover { color: #fff; } .xl-logo { width: 30px; height: 30px; border-radius: 9px; background: var(--xl-grad); background-size: 200% 200%; display: grid; place-items: center; box-shadow: 0 0 18px rgba(139, 92, 246, .7); animation: xl-grad-move 6s ease infinite; } .xl-logo svg { width: 18px; height: 18px; } .xl-brand-text { background: linear-gradient(90deg, #fff, #c4b5fd 60%, #67e8f9); -webkit-background-clip: text; background-clip: text; color: transparent; } .nav-pills .nav-link { color: var(--xl-muted); border-radius: 999px; padding: .45rem 1rem; font-weight: 500; transition: color .2s, background .2s; } .nav-pills .nav-link:hover, .nav-pills .nav-link:focus { color: #fff; background: rgba(255, 255, 255, .06); } .nav-pills .nav-link.active, .nav-pills .show > .nav-link { color: #fff; background: var(--xl-grad); background-size: 200% 200%; animation: xl-grad-move 8s ease infinite; box-shadow: 0 4px 20px -4px rgba(139, 92, 246, .8); } @media (max-width: 575.98px) { .nav.nav-pills.xl-nav { border-radius: 20px; top: 8px; } .xl-brand { border-right: 0; width: 100%; padding-bottom: 6px; margin-bottom: 2px; border-bottom: 1px solid var(--xl-border); } .nav-pills .nav-link { padding: .35rem .8rem; font-size: .92rem; } } /* 下拉菜单：大面板多列 */ .dropdown-menu { --bs-dropdown-bg: rgba(14, 16, 32, .92); --bs-dropdown-border-color: var(--xl-border-2); --bs-dropdown-link-color: var(--xl-text); --bs-dropdown-link-hover-bg: rgba(139, 92, 246, .18); --bs-dropdown-link-hover-color: #fff; --bs-dropdown-link-active-bg: rgba(139, 92, 246, .35); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); border-radius: 14px; padding: 8px; box-shadow: 0 20px 60px -10px rgba(0, 0, 0, .8), 0 0 0 1px rgba(139, 92, 246, .15); max-height: 70vh; overflow-y: auto; } .dropdown-menu.show { animation: xl-pop .18s ease-out; } @media (min-width: 768px) { .xl-nav .dropdown-menu { column-count: 2; column-gap: 6px; min-width: 460px; max-height: none; } .xl-nav .dropdown-menu li { break-inside: avoid; } } .dropdown-item { border-radius: 8px; padding: .45rem .8rem; font-size: .93rem; transition: background .15s, transform .15s, color .15s; } .dropdown-item:hover { transform: translateX(3px); } .dropdown-item::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; margin-right: 10px; vertical-align: middle; background: var(--xl-grad); opacity: .6; } /* ---------- 卡片 / 折叠面板：玻璃 + 渐变描边 + 光斑 ---------- */ .card, .accordion-item, .list-group-item { --bs-card-bg: var(--xl-surface); --bs-card-border-color: var(--xl-border); --bs-card-cap-bg: rgba(255, 255, 255, .03); background-color: var(--xl-surface) !important; border: 1px solid var(--xl-border) !important; color: var(--xl-text) !important; -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); } .card { border-radius: var(--xl-radius) !important; box-shadow: var(--xl-shadow); position: relative; overflow: hidden; transition: border-color .3s, transform .3s, box-shadow .3s; } .card::before { /* 跟随鼠标的光斑，由 JS 写入 --mx/--my */ content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(420px circle at var(--mx, -500px) var(--my, -500px), rgba(139, 92, 246, .14), transparent 45%); opacity: 0; transition: opacity .3s; } .card:hover::before { opacity: 1; } .card:hover { border-color: rgba(139, 92, 246, .35) !important; } .card-body:empty { display: none; } .card:has(> .card-body:empty:only-child) { display: none; } .card.bg-light, .bg-light { background-color: var(--xl-surface-2) !important; } .text-dark { color: var(--xl-text) !important; } .card-header { background: rgba(255, 255, 255, .03) !important; border-bottom-color: var(--xl-border) !important; } .accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: var(--xl-border); --bs-accordion-btn-color: var(--xl-text); --bs-accordion-active-color: #fff; --bs-accordion-active-bg: var(--xl-grad-soft); --bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(139, 92, 246, .3); margin-bottom: 18px; } .accordion-item { border-radius: var(--xl-radius) !important; overflow: hidden; } .accordion-button { background: transparent; font-weight: 500; } .accordion-button::after { filter: brightness(0) invert(1); opacity: .8; } .accordion-button:not(.collapsed) { background: var(--xl-grad-soft); } /* ---------- 表单 ---------- */ .form-label, label { color: #c7cbe4; font-weight: 500; letter-spacing: .01em; } .form-control, .form-select, .input-group-text { background-color: rgba(9, 10, 22, .7) !important; border: 1px solid var(--xl-border-2) !important; color: var(--xl-text) !important; border-radius: 12px; transition: border-color .25s, box-shadow .25s, background-color .25s; } .form-control::placeholder { color: #6b7194; opacity: 1; } .form-control:focus, .form-select:focus { border-color: rgba(139, 92, 246, .8) !important; box-shadow: 0 0 0 4px rgba(139, 92, 246, .18), 0 0 24px -4px rgba(34, 211, 238, .35) !important; background-color: rgba(12, 13, 28, .9) !important; } textarea.form-control { line-height: 1.7; } .form-check-input { background-color: rgba(9, 10, 22, .7); border-color: var(--xl-border-2); } .form-check-input:checked { background-color: var(--xl-violet); border-color: var(--xl-violet); } .input-group > img { border-radius: 0 12px 12px 0; border: 1px solid var(--xl-border-2); border-left: 0; cursor: pointer; filter: saturate(0) contrast(1.1); background: #fff; } /* ---------- 按钮：渐变 + 流光 ---------- */ .btn { border-radius: 12px; font-weight: 600; letter-spacing: .02em; position: relative; overflow: hidden; transition: transform .15s, box-shadow .25s, filter .25s; } .btn:active { transform: scale(.98); } .btn-primary, .btn-success, .btn-info, .btn-danger, .btn-warning, .btn-dark { color: #fff !important; border: 0 !important; background-size: 200% 200% !important; animation: xl-grad-move 8s ease infinite; } .btn-primary, .btn-success { background-image: var(--xl-grad) !important; box-shadow: 0 8px 28px -8px rgba(139, 92, 246, .9); } .btn-info { background-image: linear-gradient(120deg, #0ea5e9, #22d3ee, #34d399) !important; box-shadow: 0 8px 28px -8px rgba(34, 211, 238, .8); } .btn-danger { background-image: linear-gradient(120deg, #f43f5e, #f472b6, #a855f7) !important; box-shadow: 0 8px 28px -8px rgba(244, 63, 94, .8); } .btn-warning { background-image: linear-gradient(120deg, #f59e0b, #f472b6) !important; } .btn-dark { background-image: linear-gradient(120deg, #1f2340, #2e3360) !important; } .btn-primary:hover, .btn-success:hover, .btn-info:hover, .btn-danger:hover, .btn-warning:hover { filter: brightness(1.12); box-shadow: 0 10px 36px -6px rgba(139, 92, 246, 1); } .btn-primary::after, .btn-success::after, .btn-info::after, .btn-danger::after { /* 扫光 */ content: ""; position: absolute; top: 0; left: -60%; width: 40%; height: 100%; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .35), transparent); transform: skewX(-20deg); transition: left .6s; } .btn-primary:hover::after, .btn-success:hover::after, .btn-info:hover::after, .btn-danger:hover::after { left: 120%; } .btn:disabled { filter: saturate(.6) brightness(.85); } .btn-lg, .d-grid > .btn { padding-top: .75rem; padding-bottom: .75rem; } .btn-outline-secondary, .btn-outline-primary, .btn-outline-success, .btn-outline-info, .btn-light, .btn-secondary { color: #d7dbf2 !important; background: rgba(255, 255, 255, .04) !important; border: 1px solid var(--xl-border-2) !important; } .btn-outline-secondary:hover, .btn-outline-primary:hover, .btn-outline-success:hover, .btn-outline-info:hover, .btn-light:hover, .btn-secondary:hover { color: #fff !important; border-color: rgba(139, 92, 246, .7) !important; background: rgba(139, 92, 246, .16) !important; box-shadow: 0 0 20px -6px rgba(139, 92, 246, .8); } /* ---------- 表格 / 代码 / 正文排版 ---------- */ .table { --bs-table-bg: transparent; --bs-table-color: var(--xl-text); --bs-table-border-color: var(--xl-border); --bs-table-striped-bg: rgba(255, 255, 255, .025); --bs-table-hover-bg: rgba(139, 92, 246, .08); --bs-table-hover-color: #fff; } .table thead th { color: #c4b5fd; font-weight: 600; border-bottom-color: rgba(139, 92, 246, .35); } pre, .card-body pre { background: #0a0b17 !important; color: #e2e8f0; border: 1px solid var(--xl-border-2); border-radius: 12px; padding: 14px 16px; position: relative; overflow: auto; } code { color: #f0abfc; } pre code { color: inherit; } blockquote { border-left: 3px solid var(--xl-violet); padding: 4px 14px; color: var(--xl-muted); background: rgba(139, 92, 246, .06); border-radius: 0 10px 10px 0; } hr { border-color: var(--xl-border-2); opacity: 1; } h1, h2, h3, h4, h5, h6 { color: #fff; font-weight: 700; letter-spacing: -.01em; } .card-body h1, .card-body h2, .card-body h3 { margin-top: .6em; } .alert { border-radius: 12px; border: 1px solid var(--xl-border-2); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); } .badge { border-radius: 999px; } .progress { background: rgba(255, 255, 255, .06); border-radius: 999px; } .progress-bar { background-image: var(--xl-grad); } .spinner-border { border-color: rgba(255, 255, 255, .9); border-right-color: transparent; } .pagination { --bs-pagination-bg: var(--xl-surface); --bs-pagination-border-color: var(--xl-border-2); --bs-pagination-color: var(--xl-text); --bs-pagination-active-bg: var(--xl-violet); --bs-pagination-active-border-color: var(--xl-violet); --bs-pagination-hover-bg: rgba(139, 92, 246, .2); --bs-pagination-hover-color: #fff; } img { max-width: 100%; } /* 复制按钮（JS 注入在 pre 上） */ .xl-copy { position: absolute; top: 8px; right: 8px; font-size: 12px; padding: 3px 10px; border-radius: 8px; color: #c7cbe4; background: rgba(255, 255, 255, .07); border: 1px solid var(--xl-border-2); cursor: pointer; opacity: 0; transition: opacity .2s, background .2s; } pre:hover .xl-copy { opacity: 1; } .xl-copy:hover { background: rgba(139, 92, 246, .35); color: #fff; } /* ---------- 入场动画 ---------- */ .xl-reveal { opacity: 0; transform: translateY(18px); } .xl-reveal.xl-in { opacity: 1; transform: none; transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1); transition-delay: var(--xl-delay, 0s); } /* ---------- 页脚 ---------- */ .xl-footer { margin: 56px auto 28px; text-align: center; color: #5f6588; font-size: 13px; } .xl-footer a { color: #8a90b3; text-decoration: none; } .xl-footer a:hover { color: #fff; } .xl-footer .xl-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--xl-green); box-shadow: 0 0 10px var(--xl-green); margin-right: 6px; animation: xl-pulse 2s infinite; } /* ========================================================================== 首页（未来智能助手）专属：Hero + 聊天气泡 ========================================================================== */ .xl-hero { text-align: center; padding: 34px 0 26px; } .xl-chip { display: inline-flex; align-items: center; gap: 8px; padding: 5px 14px 5px 6px; border-radius: 999px; font-size: 13px; color: #d8dcf5; background: rgba(255, 255, 255, .05); border: 1px solid var(--xl-border-2); margin-bottom: 18px; } .xl-chip b { font-size: 11px; padding: 2px 8px; border-radius: 999px; color: #fff; background: var(--xl-grad); } .xl-hero h1 { font-size: clamp(2.1rem, 6vw, 3.8rem); font-weight: 900; line-height: 1.12; letter-spacing: -.02em; margin-bottom: 14px; } .xl-grad-text { background: var(--xl-grad); background-size: 200% auto; -webkit-background-clip: text; background-clip: text; color: transparent; animation: xl-grad-move 6s linear infinite; filter: drop-shadow(0 0 24px rgba(139, 92, 246, .35)); } .xl-hero p.xl-sub { color: var(--xl-muted); font-size: clamp(1rem, 2.2vw, 1.15rem); min-height: 1.8em; margin: 0 auto; } .xl-caret { display: inline-block; width: 2px; height: 1.1em; background: var(--xl-cyan); vertical-align: -3px; margin-left: 3px; animation: xl-blink 1s steps(1) infinite; } .xl-suggest { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 22px; } .xl-suggest button { font-size: 13.5px; color: #cfd3ee; padding: 7px 14px; border-radius: 999px; background: rgba(255, 255, 255, .04); border: 1px solid var(--xl-border-2); transition: all .2s; } .xl-suggest button:hover { color: #fff; border-color: rgba(139, 92, 246, .7); background: rgba(139, 92, 246, .15); transform: translateY(-2px); box-shadow: 0 8px 24px -8px rgba(139, 92, 246, .8); } /* 聊天气泡 */ .xl-chat { display: flex; flex-direction: column; gap: 16px; margin: 8px 0 24px; } .xl-msg { display: flex; gap: 12px; align-items: flex-start; } .xl-msg.user { flex-direction: row-reverse; } .xl-avatar { flex: 0 0 38px; width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; font-weight: 800; font-size: 14px; color: #fff; } .xl-msg.assistant .xl-avatar { background: var(--xl-grad); box-shadow: 0 0 20px rgba(139, 92, 246, .6); } .xl-msg.user .xl-avatar { background: linear-gradient(135deg, #334155, #1e293b); border: 1px solid var(--xl-border-2); } .xl-avatar svg { width: 20px; height: 20px; } .xl-bubble { max-width: min(820px, calc(100% - 50px)); padding: 14px 18px; border-radius: 18px; line-height: 1.75; word-break: break-word; position: relative; } .xl-msg.assistant .xl-bubble { background: var(--xl-surface); border: 1px solid var(--xl-border-2); border-top-left-radius: 6px; -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: var(--xl-shadow); } .xl-msg.user .xl-bubble { background: linear-gradient(135deg, rgba(139, 92, 246, .9), rgba(34, 130, 238, .85)); color: #fff; border-top-right-radius: 6px; white-space: pre-wrap; box-shadow: 0 10px 30px -10px rgba(139, 92, 246, .8); } .xl-bubble > :last-child { margin-bottom: 0; } .xl-bubble p { margin-bottom: .7em; } .xl-bubble-tools { margin-top: 10px; display: flex; gap: 8px; } /* 输入区：整体发光面板 */ .xl-composer { position: relative; padding: 18px; border-radius: 22px; background: rgba(13, 15, 30, .65); border: 1px solid var(--xl-border-2); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); box-shadow: 0 20px 60px -20px rgba(0, 0, 0, .9); } .xl-composer::before { /* 旋转的渐变描边 */ content: ""; position: absolute; inset: -1px; border-radius: 23px; padding: 1px; background: conic-gradient(from var(--xl-angle, 0deg), transparent 0 60%, #8b5cf6 72%, #22d3ee 82%, #f472b6 90%, transparent 100%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; animation: xl-spin 5s linear infinite; pointer-events: none; opacity: .9; } .xl-composer:focus-within::before { animation-duration: 2s; } @property --xl-angle { syntax: ""; initial-value: 0deg; inherits: false; } @keyframes xl-spin { to { --xl-angle: 360deg; } } .xl-composer textarea.form-control { background: transparent !important; border: 0 !important; box-shadow: none !important; font-size: 1.02rem; resize: vertical; padding: 4px 6px; } .xl-composer .form-label { font-size: 13px; color: var(--xl-muted); text-transform: uppercase; letter-spacing: .12em; } /* ---------- 关键帧 ---------- */ @keyframes xl-grad-move { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } } @keyframes xl-blink { 50% { opacity: 0; } } @keyframes xl-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } } @keyframes xl-pop { from { opacity: 0; transform: translateY(-6px) scale(.98); } to { opacity: 1; transform: none; } } @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } .xl-reveal { opacity: 1; transform: none; } } /* 吸顶导航下，锚点/滚动定位留出空间 */ .xl-msg, .xl-composer, [id] { scroll-margin-top: 90px; } /* 首页推荐链接区（#msgDiv 由后端/JS 填充）做成标签 */ #msgDiv a { display: inline-block; margin: 4px 6px 4px 0; padding: 5px 12px; border-radius: 999px; font-size: 13.5px; text-decoration: none; color: #c4b5fd; background: rgba(139, 92, 246, .1); border: 1px solid rgba(139, 92, 246, .3); transition: all .2s; } #msgDiv a:hover { color: #fff; background: rgba(139, 92, 246, .3); box-shadow: 0 0 18px -4px rgba(139, 92, 246, .9); }