/* Telegram 解决方案页新增视觉组件。正文仍由 HTML 承担，图片只作为解释补充。 */
.telegram-solution-section {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 14% 12%, rgba(0, 136, 204, 0.2), transparent 32%),
        radial-gradient(circle at 86% 82%, rgba(113, 75, 255, 0.18), transparent 34%),
        #0b0e17;
}

.solution-eyebrow,
.path-status {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    border: 1px solid rgba(111, 150, 255, 0.45);
    border-radius: 999px;
    background: rgba(70, 101, 220, 0.12);
    color: #9eb7ff;
    padding: 0.38rem 0.85rem;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.solution-intro {
    max-width: 780px;
    font-size: 1.05rem;
    line-height: 1.85;
}

.solution-visual,
.extension-workflow-visual {
    max-width: 1100px;
}

.solution-visual img,
.extension-workflow-visual img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid rgba(125, 157, 255, 0.24);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
}

.solution-visual figcaption,
.extension-workflow-visual figcaption {
    margin-top: 0.8rem;
    color: #98a2b8;
    font-size: 0.86rem;
    line-height: 1.6;
    text-align: center;
}

.solution-path-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 330px;
    padding: 2rem;
    overflow: hidden;
    border: 1px solid rgba(128, 150, 215, 0.25);
    border-radius: 22px;
    background: linear-gradient(145deg, rgba(24, 31, 54, 0.96), rgba(11, 15, 28, 0.98));
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.solution-path-card:hover {
    transform: translateY(-6px);
    border-color: rgba(91, 148, 255, 0.62);
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.34);
}

.solution-path-card::after {
    content: "";
    position: absolute;
    right: -54px;
    bottom: -68px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(61, 115, 255, 0.12);
    filter: blur(4px);
}

.solution-path-card h3 {
    margin: 1rem 0 0.8rem;
    color: #f7f9ff;
    font-size: 1.35rem;
}

.solution-path-card p {
    position: relative;
    z-index: 1;
    color: #aeb7ca;
    line-height: 1.75;
}

.solution-path-card .btn {
    position: relative;
    z-index: 1;
    align-self: flex-start;
    margin-top: auto;
}

.path-number {
    position: absolute;
    top: 1.4rem;
    right: 1.5rem;
    color: rgba(178, 195, 255, 0.28);
    font-size: 2.1rem;
    font-weight: 800;
}

.path-icon {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    border-radius: 17px;
    background: linear-gradient(145deg, #326cff, #7451e8);
    color: #fff;
    font-size: 1.35rem;
    box-shadow: 0 12px 28px rgba(50, 108, 255, 0.32);
}

.solution-path-software {
    border-color: rgba(138, 99, 255, 0.48);
    background: linear-gradient(145deg, rgba(38, 38, 81, 0.98), rgba(15, 17, 36, 0.98));
}

.solution-path-software .path-status {
    margin-bottom: 1rem;
}

.solution-path-software .path-icon {
    background: linear-gradient(145deg, #8056ff, #455fe8);
}

.extension-workflow-visual {
    padding: 1rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.025);
}

.software-bridge-section {
    background: #090c14;
}

.software-bridge-card {
    overflow: hidden;
    border: 1px solid rgba(120, 142, 222, 0.3);
    border-radius: 26px;
    background: linear-gradient(145deg, rgba(24, 29, 53, 0.98), rgba(12, 15, 29, 0.98));
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

.software-bridge-visual-column {
    display: flex;
    align-items: center;
    background: #101526;
}

.software-bridge-image {
    display: block;
    width: 100%;
    height: clamp(330px, 31vw, 420px);
    object-fit: cover;
    object-position: center;
}

.software-bridge-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(2rem, 5vw, 4rem);
}

.software-bridge-content h2 {
    margin: 1.2rem 0 1rem;
}

.software-bridge-content > p {
    line-height: 1.8;
}

.software-bridge-list {
    display: grid;
    gap: 0.8rem;
    margin: 1rem 0 1.75rem;
    padding: 0;
    list-style: none;
}

.software-bridge-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    color: #c7cee0;
    line-height: 1.55;
}

.software-bridge-list i {
    margin-top: 0.22rem;
    color: #65d5aa;
}

.telegram-guide-section {
    background: linear-gradient(180deg, #0c101b, #090c14);
}

.telegram-guide-section p,
.telegram-troubleshooting li {
    line-height: 1.85;
}

.telegram-troubleshooting {
    display: grid;
    gap: 0.7rem;
    padding-left: 1.2rem;
}

.telegram-method-table th {
    min-width: 180px;
    color: #e9edff;
}

.telegram-method-table td {
    color: #b8c0d3;
    line-height: 1.55;
}

.telegram-answer-card {
    padding: clamp(1.4rem, 3vw, 2.25rem);
    border: 1px solid rgba(104, 146, 255, 0.38);
    border-radius: 22px;
    background: linear-gradient(145deg, rgba(27, 38, 70, 0.9), rgba(12, 18, 34, 0.96));
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
}

.telegram-answer-card p {
    line-height: 1.75;
}

.answer-label {
    display: inline-flex;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    background: rgba(56, 115, 255, 0.18);
    color: #9db8ff;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.extension-evidence-section {
    background: linear-gradient(180deg, #0b0f19, #0d1220);
}

.extension-fact-card {
    padding: 1.4rem;
    border: 1px solid rgba(125, 150, 215, 0.24);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.035);
}

.extension-fact-card h3 {
    color: #edf3ff;
}

.extension-fact-card p {
    margin-bottom: 0;
    color: #aeb8cc;
    line-height: 1.7;
}

.extension-troubleshooting-table {
    margin-bottom: 0;
    border: 1px solid rgba(125, 150, 215, 0.2);
}

.extension-troubleshooting-table th,
.extension-troubleshooting-table td {
    padding: 1rem;
    line-height: 1.55;
}

.extension-troubleshooting-table th {
    color: #dce7ff;
    background: rgba(55, 99, 210, 0.15);
}

.extension-troubleshooting-table td {
    color: #b5bfd2;
}

.comparison-intro {
    max-width: 760px;
}

/* 将旧版功能组件统一为顶部解决方案卡片的蓝紫视觉语言。 */
.page-telegram .extensions-section,
.page-telegram .features-section,
.page-telegram .instructions-section,
.page-telegram .formats-section,
.page-telegram .faq-section {
    position: relative;
    background:
        radial-gradient(circle at 8% 14%, rgba(42, 101, 226, 0.09), transparent 28%),
        radial-gradient(circle at 94% 88%, rgba(118, 72, 225, 0.08), transparent 30%),
        #090d17 !important;
}

.page-telegram .extension-card.tech-card,
.page-telegram .feature-card.tech-card,
.page-telegram .format-info-card.tech-card,
.page-telegram .instruction-step {
    position: relative;
    isolation: isolate;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 250px;
    padding: 2rem 1.5rem !important;
    overflow: hidden;
    border: 1px solid rgba(128, 150, 215, 0.3) !important;
    border-radius: 22px !important;
    background: linear-gradient(145deg, rgba(24, 31, 54, 0.98), rgba(11, 15, 28, 0.98)) !important;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24) !important;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease !important;
}

.page-telegram .extension-card.tech-card {
    min-height: 310px;
    padding-top: 2.5rem !important;
}

.page-telegram .format-info-card.tech-card {
    min-height: 300px;
}

.page-telegram .instruction-step {
    height: 100%;
    min-height: 235px;
}

.page-telegram .extension-card.tech-card::after,
.page-telegram .feature-card.tech-card::after,
.page-telegram .format-info-card.tech-card::after,
.page-telegram .instruction-step::after {
    content: "";
    position: absolute;
    z-index: 0;
    right: -66px;
    bottom: -82px;
    width: 178px;
    height: 178px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(63, 105, 236, 0.2), rgba(82, 65, 190, 0.05) 56%, transparent 72%);
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.page-telegram .extension-card.tech-card:hover,
.page-telegram .feature-card.tech-card:hover,
.page-telegram .format-info-card.tech-card:hover,
.page-telegram .instruction-step:hover {
    transform: translateY(-6px) !important;
    border-color: rgba(91, 148, 255, 0.66) !important;
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.34), 0 0 30px rgba(57, 105, 226, 0.09) !important;
}

.page-telegram .extension-card.tech-card:hover::after,
.page-telegram .feature-card.tech-card:hover::after,
.page-telegram .format-info-card.tech-card:hover::after,
.page-telegram .instruction-step:hover::after {
    transform: scale(1.14);
}

.page-telegram .extension-card h3,
.page-telegram .extension-card p,
.page-telegram .extension-card .btn,
.page-telegram .extension-card .recommended-badge,
.page-telegram .feature-card h3,
.page-telegram .feature-card p,
.page-telegram .format-info-card h3,
.page-telegram .format-info-card ul,
.page-telegram .instruction-step h3,
.page-telegram .instruction-step p,
.page-telegram .instruction-step .step-number {
    position: relative;
    z-index: 1;
}

.page-telegram .extension-card h3,
.page-telegram .feature-card h3,
.page-telegram .format-info-card h3,
.page-telegram .instruction-step h3 {
    color: #f5f7ff;
}

.page-telegram .extension-card p,
.page-telegram .feature-card p,
.page-telegram .instruction-step p {
    line-height: 1.7;
}

.page-telegram .extension-icon,
.page-telegram .feature-icon,
.page-telegram .format-icon {
    display: flex !important;
    flex: 0 0 78px;
    align-items: center;
    justify-content: center;
    width: 78px !important;
    height: 78px !important;
    margin-right: auto;
    margin-left: auto;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

.page-telegram .extension-icon i,
.page-telegram .feature-icon i,
.page-telegram .format-icon i {
    font-size: 3.5rem !important;
    filter: drop-shadow(0 10px 16px rgba(0, 0, 0, 0.34)) !important;
}

/* 保留原始大图标，并用品牌色或内容类型色帮助快速识别。 */
.page-telegram .extension-icon .fa-chrome {
    color: #ffc107 !important;
}

.page-telegram .extension-icon .fa-edge {
    color: #1683e8 !important;
}

.page-telegram .extension-icon .fa-firefox-browser {
    color: #ff7139 !important;
}

.page-telegram .feature-card .fa-video,
.page-telegram .format-info-card .fa-video {
    color: #18c8ff !important;
}

.page-telegram .feature-card .fa-music,
.page-telegram .format-info-card .fa-music {
    color: #b084ff !important;
}

.page-telegram .feature-card .fa-file-alt,
.page-telegram .format-info-card .fa-file-alt {
    color: #f6b93b !important;
}

.page-telegram .feature-card .fa-shield-alt {
    color: #38d39f !important;
}

.page-telegram .format-info-card .fa-images {
    color: #ff6f91 !important;
}

.page-telegram .extension-card .btn {
    min-width: 148px;
    margin-top: auto;
    padding: 0.55rem 1.25rem;
    border-width: 2px;
    border-radius: 999px;
    font-weight: 700;
}

.page-telegram .feature-card p {
    margin-bottom: 0;
}

.page-telegram .format-info-card ul {
    margin-bottom: 0;
    line-height: 1.55;
}

.page-telegram .instruction-step .step-number .badge {
    width: 58px;
    height: 58px;
    padding: 0 !important;
    border: 1px solid rgba(143, 165, 255, 0.28);
    border-radius: 17px !important;
    background: linear-gradient(145deg, #326cff, #7451e8) !important;
    box-shadow: 0 12px 28px rgba(50, 108, 255, 0.3);
}

.page-telegram .faq-section #faqAccordion {
    padding: 0.85rem;
    border: 1px solid rgba(128, 150, 215, 0.3);
    border-radius: 22px;
    background: linear-gradient(145deg, rgba(24, 31, 54, 0.9), rgba(11, 15, 28, 0.96));
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

.page-telegram .faq-section #faqAccordion .accordion-item {
    margin-bottom: 0.7rem;
    overflow: hidden;
    border: 1px solid rgba(128, 150, 215, 0.24) !important;
    border-radius: 15px !important;
    background: rgba(14, 20, 36, 0.94) !important;
}

.page-telegram .faq-section #faqAccordion .accordion-item:last-child {
    margin-bottom: 0;
}

.page-telegram .faq-section #faqAccordion .accordion-button {
    padding: 1rem 1.2rem;
    background: transparent !important;
    color: #eef2ff !important;
    font-weight: 700;
    box-shadow: none !important;
}

.page-telegram .faq-section #faqAccordion .accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, rgba(50, 108, 255, 0.22), rgba(116, 81, 232, 0.18)) !important;
    color: #fff !important;
}

.page-telegram .faq-section #faqAccordion .accordion-button::after {
    filter: invert(1) brightness(1.65);
}

.page-telegram .faq-section #faqAccordion .accordion-body {
    padding: 1rem 1.2rem 1.2rem;
    border-top: 1px solid rgba(128, 150, 215, 0.15);
    background: rgba(7, 11, 22, 0.42);
    line-height: 1.75;
}

/* Telegram 浏览器插件页：延续主页面卡片风格，同时保留彩色大图标。 */
.browser-extension-page .extension-evidence-section,
.browser-extension-page .features-section,
.browser-extension-page .how-to-use-section,
.browser-extension-page .faq-section,
.browser-extension-page .use-cases-section {
    background:
        radial-gradient(circle at 8% 10%, rgba(41, 92, 206, 0.1), transparent 32%),
        radial-gradient(circle at 94% 88%, rgba(118, 72, 225, 0.08), transparent 30%),
        #090d17 !important;
}

.browser-extension-page .extension-fact-card,
.browser-extension-page .features-section .feature-card,
.browser-extension-page .use-cases-section .use-case-card,
.browser-extension-page .how-to-use-section .step-item {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    border: 1px solid rgba(112, 141, 218, 0.38) !important;
    border-radius: 22px !important;
    background: linear-gradient(145deg, rgba(24, 31, 54, 0.98), rgba(12, 17, 31, 0.98)) !important;
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.28) !important;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease !important;
}

.browser-extension-page .extension-fact-card::after,
.browser-extension-page .features-section .feature-card::after,
.browser-extension-page .use-cases-section .use-case-card::after,
.browser-extension-page .how-to-use-section .step-item::after {
    content: "";
    position: absolute;
    z-index: 0;
    right: -66px;
    bottom: -76px;
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(63, 105, 236, 0.2), rgba(82, 65, 190, 0.05) 56%, transparent 72%);
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.browser-extension-page .extension-fact-card > *,
.browser-extension-page .features-section .feature-card > *,
.browser-extension-page .use-cases-section .use-case-card > *,
.browser-extension-page .how-to-use-section .step-item > * {
    position: relative;
    z-index: 1;
}

.browser-extension-page .extension-fact-card:hover,
.browser-extension-page .features-section .feature-card:hover,
.browser-extension-page .use-cases-section .use-case-card:hover,
.browser-extension-page .how-to-use-section .step-item:hover {
    transform: translateY(-6px) !important;
    border-color: rgba(91, 148, 255, 0.66) !important;
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.34), 0 0 30px rgba(57, 105, 226, 0.09) !important;
}

.browser-extension-page .extension-fact-card:hover::after,
.browser-extension-page .features-section .feature-card:hover::after,
.browser-extension-page .use-cases-section .use-case-card:hover::after,
.browser-extension-page .how-to-use-section .step-item:hover::after {
    transform: scale(1.14);
}

.browser-extension-page .extension-fact-card {
    padding: 1.65rem !important;
}

.browser-extension-page .features-section .feature-card,
.browser-extension-page .use-cases-section .use-case-card {
    display: flex;
    min-height: 290px;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1.5rem !important;
}

.browser-extension-page .extension-fact-card h2,
.browser-extension-page .extension-fact-card h3,
.browser-extension-page .features-section .feature-card h3,
.browser-extension-page .use-cases-section .use-case-card h3,
.browser-extension-page .use-cases-section .use-case-card h4,
.browser-extension-page .how-to-use-section .step-content h4 {
    color: #f5f7ff;
}

.browser-extension-page .extension-fact-card p,
.browser-extension-page .features-section .feature-card p,
.browser-extension-page .use-cases-section .use-case-card p,
.browser-extension-page .how-to-use-section .step-content p {
    line-height: 1.7;
}

.browser-extension-page .fact-icon,
.browser-extension-page .features-section .feature-icon,
.browser-extension-page .use-cases-section .use-case-icon {
    display: flex !important;
    flex: 0 0 78px;
    align-items: center;
    justify-content: center;
    width: 78px !important;
    height: 78px !important;
    margin-right: auto;
    margin-left: auto;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

.browser-extension-page .extension-fact-card .fact-icon {
    margin-left: 0;
}

.browser-extension-page .fact-icon i,
.browser-extension-page .features-section .feature-icon i,
.browser-extension-page .use-cases-section .use-case-icon i {
    font-size: 3.5rem !important;
    filter: drop-shadow(0 10px 16px rgba(0, 0, 0, 0.34)) !important;
    text-shadow: none !important;
}

.browser-extension-page .feature-card:hover .feature-icon,
.browser-extension-page .use-case-card:hover .use-case-icon {
    transform: scale(1.08) !important;
}

.browser-extension-page .fa-hand-pointer,
.browser-extension-page .features-section .fa-lock-open,
.browser-extension-page .use-cases-section .fa-graduation-cap {
    color: #18c8ff !important;
}

.browser-extension-page .fa-layer-group {
    color: #a780ff !important;
}

.browser-extension-page .fa-unlink,
.browser-extension-page .features-section .fa-magic,
.browser-extension-page .use-cases-section .fa-archive {
    color: #f6b93b !important;
}

.browser-extension-page .fa-shield-alt,
.browser-extension-page .use-cases-section .fa-cloud-download-alt {
    color: #38d39f !important;
}

.browser-extension-page .use-cases-section .fa-camera-retro {
    color: #ff6f91 !important;
}

.browser-extension-page .how-to-use-section .steps-container {
    display: grid;
    gap: 1rem;
}

.browser-extension-page .how-to-use-section .step-item {
    min-height: 128px;
    margin-bottom: 0 !important;
    padding: 1.35rem !important;
}

.browser-extension-page .how-to-use-section .step-number {
    width: 56px;
    height: 56px;
    border: 1px solid rgba(143, 165, 255, 0.28);
    border-radius: 16px !important;
    background: linear-gradient(145deg, #326cff, #7451e8) !important;
    color: #fff !important;
    box-shadow: 0 12px 28px rgba(50, 108, 255, 0.3) !important;
}

.browser-extension-page .faq-section #faqAccordion {
    padding: 0.85rem;
    border: 1px solid rgba(128, 150, 215, 0.3);
    border-radius: 22px;
    background: linear-gradient(145deg, rgba(24, 31, 54, 0.9), rgba(11, 15, 28, 0.96));
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

.browser-extension-page .faq-section #faqAccordion .accordion-item {
    margin-bottom: 0.7rem;
    overflow: hidden;
    border: 1px solid rgba(128, 150, 215, 0.24) !important;
    border-radius: 15px !important;
    background: rgba(14, 20, 36, 0.94) !important;
}

.browser-extension-page .faq-section #faqAccordion .accordion-item:last-child {
    margin-bottom: 0;
}

.browser-extension-page .faq-section #faqAccordion .accordion-button {
    padding: 1rem 1.2rem;
    background: transparent !important;
    color: #eef2ff !important;
    font-weight: 700;
    box-shadow: none !important;
}

.browser-extension-page .faq-section #faqAccordion .accordion-button:not(.collapsed) {
    background: linear-gradient(135deg, rgba(50, 108, 255, 0.22), rgba(116, 81, 232, 0.18)) !important;
    color: #fff !important;
}

.browser-extension-page .faq-section #faqAccordion .accordion-button::after {
    filter: invert(1) brightness(1.65);
}

.browser-extension-page .faq-section #faqAccordion .accordion-body {
    padding: 1rem 1.2rem 1.2rem;
    border-top: 1px solid rgba(128, 150, 215, 0.15);
    background: rgba(7, 11, 22, 0.42);
    line-height: 1.75;
}

@media (max-width: 991.98px) {
    .solution-path-card {
        min-height: 0;
    }

    .software-bridge-visual-column {
        display: block;
    }

    .software-bridge-image {
        height: auto;
        aspect-ratio: 16 / 9;
    }

    .page-telegram .extension-card.tech-card,
    .page-telegram .feature-card.tech-card,
    .page-telegram .format-info-card.tech-card,
    .page-telegram .instruction-step {
        min-height: 0;
    }

    .browser-extension-page .features-section .feature-card,
    .browser-extension-page .use-cases-section .use-case-card {
        min-height: 0;
    }
}

@media (max-width: 575.98px) {
    .solution-path-card,
    .software-bridge-content {
        padding: 1.5rem;
    }

    .solution-visual,
    .extension-workflow-visual {
        margin-inline: -0.35rem;
    }

    .page-telegram .extension-card.tech-card,
    .page-telegram .feature-card.tech-card,
    .page-telegram .format-info-card.tech-card,
    .page-telegram .instruction-step {
        padding: 1.5rem !important;
    }

    .page-telegram .faq-section #faqAccordion {
        padding: 0.55rem;
    }

    .browser-extension-page .extension-fact-card,
    .browser-extension-page .features-section .feature-card,
    .browser-extension-page .use-cases-section .use-case-card,
    .browser-extension-page .how-to-use-section .step-item {
        padding: 1.5rem !important;
    }

    .browser-extension-page .faq-section #faqAccordion {
        padding: 0.55rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .solution-path-card,
    .page-telegram .extension-card.tech-card,
    .page-telegram .feature-card.tech-card,
    .page-telegram .format-info-card.tech-card,
    .page-telegram .instruction-step {
        transition: none;
    }

    .browser-extension-page .extension-fact-card,
    .browser-extension-page .features-section .feature-card,
    .browser-extension-page .use-cases-section .use-case-card,
    .browser-extension-page .how-to-use-section .step-item {
        transition: none !important;
    }
}